"Pseudo-MPEC" for Perseverance

Created 2020 Jul 31 0:44:40 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

According to the data thus far, this object is going to Mars. We also have data for the booster for this spacecraft, which will probably miss Mars; we should have enough data soon to say by how much. (Neither MPEC will be updated until Sunday or Monday; I'll be out of the office and out of Internet range.)

 
 Astrometry: 
     Persev   C2020 07 30.88103 00 14 52.14 +20 03 08.4          16.3 Vq     XXX
Perseverance  C2020 07 30.88168 00 15 08.24 +20 11 23.0          15.0 GV     C47
Perseverance  C2020 07 30.88399 00 15 13.98 +20 12 59.1          14.6 GV     C47
     Persev   C2020 07 30.88514 00 15 03.91 +20 06 02.5          16.4 Vq     XXX
Perseverance  C2020 07 30.88606 00 15 19.03 +20 14 25.1          15.0 GV     C47
Perseverance  C2020 07 30.88805 00 15 23.79 +20 15 46.4          14.4 GV     C47
Perseverance  C2020 07 30.89004 00 15 28.42 +20 17 07.2          14.5 GV     C47
Perseverance  C2020 07 30.89203 00 15 32.95 +20 18 26.5          14.8 GV     C47
    Mars2020  CK200730:22261062 004.25773   +20.53650            15.0 GV     J95
    Mars2020  CK200730:22271937 004.26418   +20.54413            14.9 GV     J95
    Mars2020  CK200730:22283005 004.27076   +20.55170            14.9 GV     J95
    Mars2020  CK200730:22295762 004.27879   +20.56109            15.0 GV     J95
     Mars20   C2020 07 30.93825200 17 47.46 +20 49 03.2          15.2 G      C95
     Mars20   C2020 07 30.93982600 17 49.72 +20 49 55.4          15.1 G      C95
     Mars20   C2020 07 30.94138900 17 51.93 +20 50 45.1          15.1 G      C95
     Mars20   C2020 07 30.94295100 17 54.08 +20 51 35.8          15.0 G      C95
     Perseve  C2020 07 30.94348 00 17 41.40 +20 54 19.3          15.5 GV     104
     Perseve  C2020 07 30.94446 00 17 42.37 +20 54 46.7          15.8 GV     104
     Mars20   C2020 07 30.94450200 17 56.14 +20 52 24.9          15.3 G      C95
     Perseve  C2020 07 30.94478 00 17 42.86 +20 54 57.4          14.8 GV     104
     Perseve  C2020 07 30.94509 00 17 43.22 +20 55 07.4          14.6 GV     104
     Mars20   C2020 07 30.94604200 17 58.28 +20 53 14.9          15.1 G      C95
     Mars20   C2020 07 30.94761600 18 00.30 +20 54 04.2          15.1 G      C95
     Mars20   C2020 07 30.94916700 18 02.29 +20 54 52.8          15.2 G      C95
    Persever  C2020 07 30.94994 00 17 54.13 +21 03 07.8          14.7 R      470
    Persever  C2020 07 30.95058 00 17 54.69 +21 03 25.0          14.4 R      470
     Mars20   C2020 07 30.95074100 18 04.22 +20 55 40.9          15.0 G      C95
    Persever  C2020 07 30.95117 00 17 55.23 +21 03 43.1          15.1 R      470
     Mars20   C2020 07 30.95230300 18 06.07 +20 56 28.7          15.1 G      C95
2020-052A     CK200730:225451   004.38255   +20.72370            15.0 GV     970
2020-052A     CK200730:225809   004.39684   +20.74318            15.1 GV     970
2020-052A     CK200730:230054   004.40847   +20.75921            15.1 GV     970
     Perseve KC2020 07 30.96100 00 17 59.52 +21 03 02.8          15.6 GV     104
     Perseve KC2020 07 30.96422 00 18 02.33 +21 04 33.9          14.7 GV     104
     Perseve KC2020 07 30.96744 00 18 04.98 +21 06 03.5          15.0 GV     104
     Perseve KC2020 07 30.97065 00 18 07.49 +21 07 32.2          15.1 GV     104
     Perseve KC2020 07 30.97386 00 18 09.84 +21 08 59.2          15.1 GV     104
     Perseve KC2020 07 30.97708 00 18 12.02 +21 10 24.1          15.0 GV     104
     Perseve KC2020 07 30.98029 00 18 14.05 +21 11 47.8          14.9 GV     104
     Perseve KC2020 07 30.98350 00 18 16.01 +21 13 10.1          15.1 GV     104
2020-052A     CK200730:233902   004.54492   +20.96758            15.0 GV     970
2020-052A     CK200730:233951   004.54732   +20.97171            15.2 GV     970
     Perseve KC2020 07 30.98671 00 18 17.80 +21 14 31.4          15.5 GV     104
     Perseve KC2020 07 30.99314 00 18 20.97 +21 17 09.1          14.9 GV     104
     Perseve KC2020 07 30.99957 00 18 23.74 +21 19 41.5          15.1 GV     104
     Perseve KC2020 07 31.00279 00 18 24.86 +21 20 55.0          15.3 GV     104
     Perseve KC2020 07 31.00600 00 18 25.99 +21 22 08.0          15.3 GV     104
     Perseve KC2020 07 31.00921 00 18 26.97 +21 23 19.7          15.4 GV     104

Station data:
(104) San Marcello Pistoiese  (N44.063037 E10.804200)  Italy.  Observers P.
   Bacci, M. Maestripieri, G. Fagioli. Measurers P. Bacci, L. Tesi, G.
   Fagioli. 0.25-m F.6.3 Reflector + CCD.
(470) Ceccano  (N41.570282 E13.327560)  Italy. 0.28-m Schmidt-Cassegrain.
(970) Chelmsford  (N51.744716 E0.495400)  UK.  Observer N. James.
(C47) Nonndorf  (N48.786797 E15.235600)  Austria.  Observer G. Dangl. 0.25-m
   f/4.8 reflector + CCD.
(C95) SATINO Remote Observatory, Haute Provence  (N43.932042 E5.712390)
   France.  Observer J. Jahn. 0.60-m f/3.2 Newtonian reflector + CCD.
(J95) Great Shefford  (N51.474969 W1.447003)  UK.  Observer P. Birtwhistle.
(XXX) Herkenrath  (N50.993306 E7.183806)  Germany.  Observer B. Klemt. 0.3 m
   RC f/8 with focal reducer @ f/5.6 + CCD.

Orbital elements:  Perseverance (geocentric,  departure)
   Perigee 2020 Jul 30.5276749 +/- 0.000268 TT = 12:39:51.11 (JD 2459061.0276749)
Epoch 2020 Jul 31.0 TT = JDT 2459061.5                        Find_Orb
q  6594.5970739 +/- 3.04            (J2000 equator)
H   27.7  G 0.15                    Peri.  276.0850433 +/- 0.06
                                    Node   312.4103499 +/- 0.041
e   1.238676217 +/- 0.000505        Incl.   27.5889631 +/- 0.0057
From 48 observations 2020 July 30-31 (3.1 hr); mean residual 0".540

Orbital elements:  Perseverance (Mars arrival)
   Perimars 2021 Feb 20.0729493 +/- 0.724 TT =  1:45:02.82 (JD 2459265.5729493)
Epoch 2021 Feb 20.0 TT = JDT 2459265.5                        Find_Orb
q162475.95486 +/- 100632            (J2000 ecliptic)
H   27.7  G 0.15                    Peri.  240.9637906 +/- 0.25
                                    Node    37.0052627 +/- 2.9
e  25.252750348 +/- 14.8            Incl.   62.0847755 +/- 3.8
From 48 observations 2020 July 30-31 (3.1 hr); mean residual 0".540
Residuals in arcseconds: 
200730 XXX .548+ .554-    200730 104 1.92+ 2.66+    200730 104 .213- .485+
200730 C47 .153+ .171-    200730 104 .765- .597-    200730 104 .241- .031+
200730 C47 .038- .576-    200730 C95 .907- .141-    200730 104 .289- .391-
200730 XXX 1.19+ .076-    200730 104 .836+ .125+    200730 104 .033- .076+
200730 C47 .136+ .119-    200730 104 .806+ .474+    200730 104 .069+ .337+
200730 C47 .429+ .231-    200730 C95 .441+ 0.99+    200730 104 .275- .288-
200730 C47 .301+ .042-    200730 C95 .124+ .724+    200730 104 .651- .380-
200730 C47 .156+ .561-    200730 C95 .438+ .846+    200730 104 .097- .422-
200730 J95 .085- .222-    200730 470 .197+ 1.43+    200730 970 .107+ .428-
200730 J95 .098- .379+    200730 470 .262- .485-    200730 970 .039- .624-
200730 J95 .094- .109+    200730 C95 .138+ .120+    200730 104 .069- .026-
200730 J95 .238- .047-    200730 470 .269- .053+    200730 104 .482- .120-
200730 C95 .281+ .222+    200730 C95 .448- .165-    200730 104 .267+ .091+
200730 C95 .008+ .964+    200730 970 .339+ .183+    200731 104 .690- .548-
200730 C95 .063- .053-    200730 970 .183+ .245+    200731 104 .067+ .097-
200730 C95 .288- .340+    200730 970 .090+ .128+    200731 104 .196+ .400+

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- --------  --------------  -----------  -----  ------ -----  --- --------
2020 07 30 16  23 39 58.078   +19 28 22.42    72158 1.0154 121.9 13.2 35.7  80
2020 07 30 17  23 49 45.880   +20 17 23.51    89573 1.0154 119.6 13.7 17.7  85
2020 07 30 18  23 56 28.055   +20 49 28.32   106441 1.0155 118.1 14.2 9.15  91
2020 07 30 19  00 01 23.006   +21 12 14.33   122913 1.0155 117.0 14.5 4.74  98
2020 07 30 20  00 05 09.795   +21 29 18.24   139081 1.0155 116.1 14.8 2.36 107
2020 07 30 21  00 08 10.276   +21 42 36.58   155009 1.0155 115.4 15.1 1.03 118
2020 07 30 22  00 10 37.716   +21 53 17.88   170741 1.0156 114.9 15.3 .284 136
2020 07 30 23  00 12 40.677   +22 02 05.20   186311 1.0156 114.5 15.5 .175 132
2020 07 31 00  00 14 24.951   +22 09 27.01   201744 1.0156 114.1 15.7 .499 154
2020 07 31 01  00 15 54.609   +22 15 42.94   217058 1.0157 113.8 15.8 .790 168
2020 07 31 02  00 17 12.601   +22 21 06.98   232270 1.0157 113.5 16.0 1.09   0
2020 07 31 03  00 18 21.120   +22 25 49.37   247392 1.0157 113.3 16.1 1.40   9
2020 07 31 04  00 19 21.836   +22 29 57.80   262434 1.0158 113.1 16.3 1.73  16
2020 07 31 05  00 20 16.041   +22 33 38.15   277406 1.0158 112.9 16.4 2.07  21
2020 07 31 06  00 21 04.754   +22 36 55.02   292314 1.0158 112.8 16.5 2.41  26
2020 07 31 07  00 21 48.787   +22 39 52.03   307164 1.0158 112.7 16.6 2.75  29
2020 07 31 08  00 22 28.799   +22 42 32.09   321961 1.0159 112.5 16.7 3.09  32
2020 07 31 09  00 23 05.329   +22 44 57.56   336712 1.0159 112.4 16.8 3.42  34
2020 07 31 10  00 23 38.822   +22 47 10.39   351418 1.0159 112.4 16.9 3.75  36
2020 07 31 11  00 24 09.648   +22 49 12.18   366084 1.0160 112.3 17.0 4.06  38
2020 07 31 12  00 24 38.122   +22 51 04.27   380713 1.0160 112.2 17.1 4.37  39
2020 07 31 13  00 25 04.507   +22 52 47.79   395308 1.0160 112.1 17.2 4.66  41
2020 07 31 14  00 25 29.031   +22 54 23.70   409871 1.0160 112.1 17.3 4.95  42
2020 07 31 15  00 25 51.886   +22 55 52.83   424404 1.0161 112.0 17.4 5.22  43
2020 07 31 16  00 26 13.241   +22 57 15.88   438909 1.0161 112.0 17.4 5.49  44
2020 07 31 17  00 26 33.242   +22 58 33.45   453388 1.0161 111.9 17.5 5.74  44
2020 07 31 18  00 26 52.016   +22 59 46.08   467842 1.0162 111.9 17.6 5.99  45
2020 07 31 19  00 27 09.674   +23 00 54.24   482274 1.0162 111.9 17.6 6.22  46
2020 07 31 20  00 27 26.315   +23 01 58.32   496683 1.0162 111.9 17.7 6.45  46
2020 07 31 21  00 27 42.026   +23 02 58.69   511073 1.0162 111.8 17.8 6.67  47
2020 07 31 22  00 27 56.883   +23 03 55.67   525443 1.0163 111.8 17.8 6.89  47
2020 07 31 23  00 28 10.956   +23 04 49.53   539794 1.0163 111.8 17.9 7.09  48
2020 08 01 00  00 28 24.307   +23 05 40.52   554129 1.0163 111.8 17.9 7.29  48
2020 08 01 01  00 28 36.990   +23 06 28.88   568446 1.0164 111.8 18.0 7.48  49
2020 08 01 02  00 28 49.054   +23 07 14.80   582748 1.0164 111.8 18.1 7.66  49
2020 08 01 03  00 29 00.546   +23 07 58.46   597035 1.0164 111.8 18.1 7.84  49
2020 08 01 04  00 29 11.505   +23 08 40.03   611307 1.0165 111.8 18.2 8.02  50
2020 08 01 05  00 29 21.968   +23 09 19.65   625566 1.0165 111.8 18.2 8.18  50
2020 08 01 06  00 29 31.968   +23 09 57.46   639812 1.0165 111.8 18.3 8.34  50
2020 08 01 07  00 29 41.536   +23 10 33.58   654045 1.0165 111.8 18.3 8.50  51
2020 08 01 08  00 29 50.699   +23 11 08.12   668266 1.0166 111.8 18.3 8.65  51
2020 08 01 09  00 29 59.483   +23 11 41.19   682475 1.0166 111.8 18.4 8.80  51
2020 08 01 10  00 30 07.912   +23 12 12.87   696674 1.0166 111.8 18.4 8.94  51
2020 08 01 11  00 30 16.006   +23 12 43.25   710862 1.0167 111.8 18.5 9.08  51
2020 08 01 12  00 30 23.785   +23 13 12.40   725039 1.0167 111.8 18.5 9.21  52
2020 08 01 13  00 30 31.268   +23 13 40.41   739207 1.0167 111.8 18.6 9.34  52
2020 08 01 14  00 30 38.471   +23 14 07.34   753365 1.0168 111.8 18.6 9.47  52
2020 08 01 15  00 30 45.410   +23 14 33.24   767514 1.0168 111.8 18.6 9.59  52
2020 08 01 16  00 30 52.099   +23 14 58.18   781654 1.0168 111.8 18.7 9.71  52
2020 08 01 17  00 30 58.551   +23 15 22.20   795785 1.0169 111.8 18.7 9.82  53
2020 08 01 18  00 31 04.779   +23 15 45.36   809908 1.0169 111.9 18.8 9.93  53
2020 08 01 19  00 31 10.795   +23 16 07.70   824024 1.0169 111.9 18.8 10.0  53
2020 08 01 20  00 31 16.608   +23 16 29.26   838131 1.0169 111.9 18.8 10.1  53
2020 08 01 21  00 31 22.229   +23 16 50.09   852231 1.0170 111.9 18.9 10.3  53
2020 08 01 22  00 31 27.668   +23 17 10.21   866323 1.0170 111.9 18.9 10.4  53
2020 08 01 23  00 31 32.933   +23 17 29.66   880409 1.0170 111.9 18.9 10.5  53
2020 08 02 00  00 31 38.032   +23 17 48.48   894487 1.0171 112.0 19.0 10.5  53
2020 08 02 01  00 31 42.972   +23 18 06.69   908559 1.0171 112.0 19.0 10.6  54
2020 08 02 02  00 31 47.762   +23 18 24.32   922625 1.0171 112.0 19.0 10.7  54
2020 08 02 03  00 31 52.408   +23 18 41.40   936684 1.0172 112.0 19.1 10.8  54
2020 08 02 04  00 31 56.916   +23 18 57.95   950737 1.0172 112.0 19.1 10.9  54
2020 08 02 05  00 32 01.292   +23 19 14.00   964784 1.0172 112.1 19.1 11.0  54
2020 08 02 06  00 32 05.541   +23 19 29.56   978825 1.0173 112.1 19.2 11.1  54
2020 08 02 07  00 32 09.670   +23 19 44.66   992860 1.0173 112.1 19.2 11.2  54
2020 08 02 08  00 32 13.682   +23 19 59.32   .00673 1.0173 112.1 19.2 11.2  54
2020 08 02 09  00 32 17.584   +23 20 13.55   .00682 1.0174 112.1 19.3 11.3  54
2020 08 02 10  00 32 21.378   +23 20 27.37   .00692 1.0174 112.2 19.3 11.4  54
2020 08 02 11  00 32 25.070   +23 20 40.81   .00701 1.0174 112.2 19.3 11.5  54
2020 08 02 12  00 32 28.663   +23 20 53.86   .00711 1.0175 112.2 19.3 11.5  55
2020 08 02 13  00 32 32.161   +23 21 06.55   .00720 1.0175 112.2 19.4 11.6  55
2020 08 02 14  00 32 35.568   +23 21 18.90   .00729 1.0175 112.3 19.4 11.7  55
2020 08 02 15  00 32 38.887   +23 21 30.90   .00739 1.0176 112.3 19.4 11.7  55
2020 08 02 16  00 32 42.121   +23 21 42.59   .00748 1.0176 112.3 19.4 11.8  55
2020 08 02 17  00 32 45.274   +23 21 53.96   .00757 1.0176 112.3 19.5 11.9  55
2020 08 02 18  00 32 48.348   +23 22 05.03   .00767 1.0177 112.4 19.5 11.9  55
2020 08 02 19  00 32 51.345   +23 22 15.81   .00776 1.0177 112.4 19.5 12.0  55
2020 08 02 20  00 32 54.270   +23 22 26.31   .00785 1.0177 112.4 19.6 12.1  55
2020 08 02 21  00 32 57.123   +23 22 36.54   .00795 1.0178 112.4 19.6 12.1  55
2020 08 02 22  00 32 59.909   +23 22 46.51   .00804 1.0178 112.5 19.6 12.2  55
2020 08 02 23  00 33 02.627   +23 22 56.23   .00813 1.0178 112.5 19.6 12.2  55
2020 08 03 00  00 33 05.282   +23 23 05.70   .00823 1.0179 112.5 19.6 12.3  55
2020 08 03 01  00 33 07.875   +23 23 14.93   .00832 1.0179 112.5 19.7 12.3  55
2020 08 03 02  00 33 10.408   +23 23 23.94   .00841 1.0179 112.6 19.7 12.4  55
2020 08 03 03  00 33 12.883   +23 23 32.72   .00851 1.0180 112.6 19.7 12.5  55
2020 08 03 04  00 33 15.302   +23 23 41.29   .00860 1.0180 112.6 19.7 12.5  56
2020 08 03 05  00 33 17.665   +23 23 49.64   .00869 1.0180 112.7 19.8 12.6  56
2020 08 03 06  00 33 19.977   +23 23 57.80   .00879 1.0181 112.7 19.8 12.6  56
2020 08 03 07  00 33 22.236   +23 24 05.75   .00888 1.0181 112.7 19.8 12.7  56
2020 08 03 08  00 33 24.446   +23 24 13.52   .00897 1.0181 112.7 19.8 12.7  56
2020 08 03 09  00 33 26.607   +23 24 21.10   .00907 1.0182 112.8 19.8 12.8  56
2020 08 03 10  00 33 28.722   +23 24 28.50   .00916 1.0182 112.8 19.9 12.8  56
2020 08 03 11  00 33 30.791   +23 24 35.72   .00925 1.0183 112.8 19.9 12.9  56
2020 08 03 12  00 33 32.815   +23 24 42.77   .00934 1.0183 112.9 19.9 12.9  56
2020 08 03 13  00 33 34.796   +23 24 49.66   .00944 1.0183 112.9 19.9 12.9  56
2020 08 03 14  00 33 36.736   +23 24 56.38   .00953 1.0184 112.9 20.0 13.0  56
2020 08 03 15  00 33 38.634   +23 25 02.95   .00962 1.0184 113.0 20.0 13.0  56
2020 08 03 16  00 33 40.493   +23 25 09.36   .00972 1.0184 113.0 20.0 13.1  56
2020 08 03 17  00 33 42.313   +23 25 15.62   .00981 1.0185 113.0 20.0 13.1  56
2020 08 03 18  00 33 44.095   +23 25 21.74   .00990 1.0185 113.1 20.0 13.2  56
2020 08 03 19  00 33 45.841   +23 25 27.71   .00999 1.0185 113.1 20.1 13.2  56