"Pseudo-MPEC" for P21Xilh

Created 2024 Aug 16 1:22:09 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21Xilh* C2024 08 13.44820123 21 35.892+08 57 09.27   ~8DCb 21.54wXNEOCPF52
     P21Xilh  C2024 08 13.45803623 21 35.934+08 57 22.72   ~8DCb 21.50wXNEOCPF52
     P21Xilh  C2024 08 13.46789823 21 35.980+08 57 36.67   ~8DCb 21.43wXNEOCPF52
     P21Xilh  C2024 08 13.52811423 21 36.223+08 59 00.93   ~8DK7 21.67GVNEOCPF52
     P21Xilh  C2024 08 13.52876923 21 36.239+08 59 01.78   ~8DK7 21.43GVNEOCPF52
     P21Xilh KC2024 08 14.02874423 21 41.12 +09 10 37.0    ~8E37 20.9 GVNEOCPL01
     P21Xilh KC2024 08 14.03884423 21 41.13 +09 10 51.7    ~8E37 20.9 GVNEOCPL01
     P21Xilh KC2024 08 14.09379023 21 41.35 +09 12 09.3    ~8E37 21.2 GVNEOCPL01
     P21Xilh KC2024 08 14.09715223 21 41.35 +09 12 13.9    ~8E37 21.2 GVNEOCPL01
     P21Xilh KC2024 08 14.10135723 21 41.36 +09 12 20.4    ~8E37 20.8 GVNEOCPL01
     P21Xilh KC2024 08 14.28628323 21 43.42 +09 16 41.5    ~8E7M 21.5 GVNEOCPH21
     P21Xilh KC2024 08 14.28917423 21 43.43 +09 16 45.4    ~8E7M 21.6 GVNEOCPH21
     P21Xilh KC2024 08 14.29110123 21 43.44 +09 16 48.0    ~8E7M 21.5 GVNEOCPH21
     P21Xilh KC2024 08 15.00341323 21 49.14 +09 33 37.8    ~8F0q 21.5 GVNEOCP104
     P21Xilh KB2024 08 15.01656 23 21 49.15 +09 33 56.7    ~8F77 21.5 GVNEOCP204
     P21Xilh KB2024 08 15.05884 23 21 49.29 +09 34 57.2    ~8F77       VNEOCP204
     P21Xilh KB2024 08 15.10114 23 21 49.39 +09 35 57.5    ~8F77       VNEOCP204
     P21Xilh KC2024 08 15.31892 23 21 51.44 +09 41 08.5    ~8FGM 21.4  VNEOCPU63
     P21Xilh KC2024 08 15.36787 23 21 51.57 +09 42 18.8    ~8FGM 22.1  VNEOCPU63
     P21Xilh KC2024 08 15.39107 23 21 51.60 +09 42 51.8    ~8FGM 20.8  VNEOCPU63
     P21Xilh KC2024 08 15.41027 23 21 51.68 +09 43 19.7    ~8FGM 21.3  VNEOCPU63
     P21Xilh 1C2024 08 15.44419423 21 52.264+09 44 14.65   ~8FMq 21.40GVNEOCPT12
     P21Xilh 1C2024 08 15.44656423 21 52.261+09 44 17.93   ~8FMq 21.53GVNEOCPT12
     P21Xilh 1C2024 08 15.44970423 21 52.270+09 44 22.60   ~8FMq 21.32GVNEOCPT12

Station data:
(104) San Marcello Pistoiese  (N44.064178 E10.803750)  Italy.  Observers P.
   Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
   reflector + CCD.
(204) Schiaparelli Observatory  (N45.868292 E8.769720)  Italy.  Observer L.
   Buzzi. 0.60-m f/4.64 Newtonian + CCD0.84-m f/3.5 reflector + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707382 W156.255910)  US/Hawaii.
   Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
   K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
   Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
   R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(H21) Astronomical Research Observatory, Westfield  (N39.483054 W87.968270)
   US/Illinois.  Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
   Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
   CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(L01) Višnjan Observatory, Tičan  (N45.290897 E13.749300)  Croatia.
   Observers K. Korlević, D. Pujagic, V. Dobos. Measurers D. Pujagic, K.
   Korlević. 1.0-m f/2.9 reflector + CCD.
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m)  (N19.822991 W155.469434)
   US/Hawaii.  Observer R. Weryk. 2.24-m f/10.1 University of Hawaii
   reflector.
(U63) Burnt Tree Hill Observatory, Cle Elum  (N47.162712 W120.805440)
   US/Washington.  Observers B. Vandeventer, R. Morrison, N. Saini, C. Zhai,
   R. Trahan, M. Shao. 0.28-m f/2.2 reflector + CCD.

Orbital elements:  P21Xilh
   Perihelion 2024 Nov 13.98398 +/- 0.308 TT = 23:36:55 (JD 2460628.48398)
Epoch 2024 Aug 15.0 TT = JDT 2460537.5   Earth MOID: 0.2128   Ma: 0.0926
M 336.75549330 +/- 1.5              (J2000 ecliptic)             AutoNEOCP
n   0.25547912 +/- 0.0165           Peri.  106.69199 +/- 1.0
a   2.45979604 +/- 0.106            Node   301.82376 +/- 0.58
e   0.5380431 +/- 0.019             Incl.    8.86813 +/- 0.23
P   3.85788                H 20.78  G  0.15   U 10.0
q 1.13631970 +/- 0.00807    Q 3.78327238 +/- 0.209
From 24 observations 2024 Aug. 13-15; mean residual 0".33
Residuals in arcseconds: 
240813 F52  .07-  .17+    240814 L01  .25-  .36+    240815 204  .42+  .14+    
240813 F52  .10-  .16-    240814 L01  .39-  .95+    240815 U63  .26-  .16+    
240813 F52  .05-  .03-    240814 H21  .11-  .13-    240815 U63  .20-  .11+    
240813 F52  .06-  .01+    240814 H21  .12-  .32-    240815 U63  .52-  .20-    
240813 F52  .14+  .05-    240814 H21  .08-  .45-    240815 U63  .07+  .16+    
240814 L01  .89+  .33-    240815 104  .89+  .52-    240815 T12  .00   .04+    
240814 L01  .37+  .15+    240815 204  .21+  .00     240815 T12  .07-  .09-    
240814 L01  .02-  .48+    240815 204  .61+  .13+    240815 T12  .03+  .06+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2024 08 16 01  23 21 55.422   +09 58 38.10  .56981 1.5181 145.8 21.5 .475  67
2024 08 16 02  23 21 55.644   +09 59 38.39  .56942 1.5178 145.8 21.5 .508  66
2024 08 16 03  23 21 55.862   +10 00 38.71  .56903 1.5175 145.9 21.5 .543  65
2024 08 16 04  23 21 56.078   +10 01 39.06  .56863 1.5173 145.9 21.5 .578  64
2024 08 16 05  23 21 56.290   +10 02 39.45  .56824 1.5170 145.9 21.5 .614  64
2024 08 16 06  23 21 56.499   +10 03 39.87  .56785 1.5167 145.9 21.5 .652  63
2024 08 16 07  23 21 56.705   +10 04 40.33  .56746 1.5164 146.0 21.5 .690  62
2024 08 16 08  23 21 56.908   +10 05 40.82  .56707 1.5161 146.0 21.5 .729  62
2024 08 16 09  23 21 57.108   +10 06 41.34  .56668 1.5159 146.0 21.5 .769  61
2024 08 16 10  23 21 57.305   +10 07 41.90  .56629 1.5156 146.0 21.5 .811  61
2024 08 16 11  23 21 57.498   +10 08 42.50  .56590 1.5153 146.1 21.5 .853  60
2024 08 16 12  23 21 57.689   +10 09 43.12  .56551 1.5150 146.1 21.5 .896  60
2024 08 16 13  23 21 57.876   +10 10 43.79  .56512 1.5147 146.1 21.5 .940  59
2024 08 16 14  23 21 58.060   +10 11 44.48  .56473 1.5145 146.1 21.5 .985  59
2024 08 16 15  23 21 58.241   +10 12 45.22  .56434 1.5142 146.2 21.5 1.03  58
2024 08 16 16  23 21 58.419   +10 13 45.98  .56395 1.5139 146.2 21.5 1.08  58
2024 08 16 17  23 21 58.593   +10 14 46.78  .56357 1.5136 146.2 21.5 1.13  58
2024 08 16 18  23 21 58.765   +10 15 47.62  .56318 1.5133 146.2 21.5 1.17  57
2024 08 16 19  23 21 58.933   +10 16 48.49  .56279 1.5131 146.3 21.5 1.22  57
2024 08 16 20  23 21 59.098   +10 17 49.39  .56240 1.5128 146.3 21.5 1.27  57
2024 08 16 21  23 21 59.260   +10 18 50.33  .56202 1.5125 146.3 21.5 1.33  57
2024 08 16 22  23 21 59.419   +10 19 51.30  .56163 1.5122 146.3 21.5 1.38  56
2024 08 16 23  23 21 59.574   +10 20 52.31  .56124 1.5119 146.3 21.5 1.43  56
2024 08 17 00  23 21 59.727   +10 21 53.35  .56086 1.5117 146.4 21.5 1.49  56
2024 08 17 01  23 21 59.876   +10 22 54.43  .56047 1.5114 146.4 21.5 1.54  56
2024 08 17 02  23 22 00.022   +10 23 55.54  .56008 1.5111 146.4 21.5 1.60  56
2024 08 17 03  23 22 00.165   +10 24 56.69  .55970 1.5108 146.4 21.5 1.65  55
2024 08 17 04  23 22 00.305   +10 25 57.87  .55931 1.5105 146.5 21.5 1.71  55
2024 08 17 05  23 22 00.442   +10 26 59.08  .55893 1.5103 146.5 21.5 1.77  55
2024 08 17 06  23 22 00.575   +10 28 00.33  .55854 1.5100 146.5 21.5 1.83  55
2024 08 17 07  23 22 00.706   +10 29 01.62  .55816 1.5097 146.5 21.5 1.89  55
2024 08 17 08  23 22 00.833   +10 30 02.94  .55777 1.5094 146.6 21.5 1.95  55
2024 08 17 09  23 22 00.957   +10 31 04.29  .55739 1.5092 146.6 21.5 2.02  54
2024 08 17 10  23 22 01.077   +10 32 05.68  .55700 1.5089 146.6 21.5 2.08  54
2024 08 17 11  23 22 01.195   +10 33 07.10  .55662 1.5086 146.6 21.5 2.14  54
2024 08 17 12  23 22 01.309   +10 34 08.56  .55624 1.5083 146.7 21.5 2.21  54
2024 08 17 13  23 22 01.420   +10 35 10.06  .55585 1.5080 146.7 21.5 2.28  54
2024 08 17 14  23 22 01.528   +10 36 11.58  .55547 1.5078 146.7 21.5 2.34  54
2024 08 17 15  23 22 01.633   +10 37 13.15  .55509 1.5075 146.7 21.4 2.41  54
2024 08 17 16  23 22 01.735   +10 38 14.75  .55471 1.5072 146.8 21.4 2.48  54
2024 08 17 17  23 22 01.833   +10 39 16.38  .55432 1.5069 146.8 21.4 2.55  53
2024 08 17 18  23 22 01.929   +10 40 18.05  .55394 1.5066 146.8 21.4 2.62  53
2024 08 17 19  23 22 02.021   +10 41 19.75  .55356 1.5064 146.8 21.4 2.69  53
2024 08 17 20  23 22 02.109   +10 42 21.49  .55318 1.5061 146.8 21.4 2.77  53
2024 08 17 21  23 22 02.195   +10 43 23.26  .55280 1.5058 146.9 21.4 2.84  53
2024 08 17 22  23 22 02.277   +10 44 25.07  .55242 1.5055 146.9 21.4 2.92  53
2024 08 17 23  23 22 02.357   +10 45 26.91  .55204 1.5053 146.9 21.4 2.99  53
2024 08 18 00  23 22 02.433   +10 46 28.79  .55166 1.5050 146.9 21.4 3.07  53