"Pseudo-MPEC" for ZTF0KbQ = ZTF0KeL

Created 2021 Feb 28 13:21:05 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

TLEs are available for this object, and for most of the other objects listed on these pages. Note that, because of sparse data and unpredictable non-gravs, the TLEs are probably only good for a few weeks around the date of observation.

 
 Astrometry: 
     ZTF0KbQ  C2021 02 19.28944409 05 43.97 +15 38 44.8          16.27gUNEOCPI41
     ZTF0KbQ  C2021 02 19.28979209 05 49.62 +15 39 08.9          16.27gUNEOCPI41
     ZTF0KbQ  C2021 02 19.30922509 11 02.65 +15 59 57.5          15.81RUNEOCPI41
     ZTF0KbQ  C2021 02 19.30957209 11 08.15 +16 00 18.6          15.81RUNEOCPI41
     ZTF0KbQ  C2021 02 19.31828709 13 26.09 +16 08 47.7          16.12gUNEOCPI41
     ZTF0KbQ  C2021 02 19.31863409 13 31.55 +16 09 07.3          16.12gUNEOCPI41
     ZTF0KbQ KC2021 02 19.43908709 43 19.17 +17 19 12.0          13.86GVNEOCPI52
     ZTF0KbQ KC2021 02 19.43951409 43 26.25 +17 19 18.6          13.88GVNEOCPI52
     ZTF0KbQ KC2021 02 19.43996209 43 33.69 +17 19 25.5          13.97GVNEOCPI52
     ZTF0KbQ KC2021 02 19.44041109 43 41.13 +17 19 32.2          13.85GVNEOCPI52
     ZTF0KbQ KC2021 02 19.47908909 54 42.79 +17 26 02.2          13.35GVNEOCPI52
     ZTF0KbQ KC2021 02 19.47952009 54 50.40 +17 26 04.4          13.32GVNEOCPI52
     ZTF0KbQ KC2021 02 19.47994809 54 57.99 +17 26 06.6          13.40GVNEOCPI52
     ZTF0KbQ KC2021 02 19.48037509 55 05.54 +17 26 08.7          13.32GVNEOCPI52
     ZTF0KeL* C2021 02 28.25496509 57 44.10 +17 36 41.3    ~2SCu 15.57RUNEOCPI41
     ZTF0KeL  C2021 02 28.25531309 57 49.40 +17 36 55.8    ~2SCu 15.57RUNEOCPI41
     ZTF0KeL  C2021 02 28.30055610 09 08.45 +18 02 31.9    ~2SCu 15.68gUNEOCPI41
     ZTF0KeL  C2021 02 28.30090310 09 13.54 +18 02 40.9    ~2SCu 15.68gUNEOCPI41
     ZTF0KeL  C2021 02 28.33485010 17 41.14 +18 14 47.3    ~2SCu 15.33gUNEOCPI41
     ZTF0KeL  C2021 02 28.33519710 17 46.43 +18 14 53.1    ~2SCu 15.33gUNEOCPI41
     ZTF0KeL  C2021 02 28.33531310 17 48.24 +18 14 54.6    ~2SCu 15.37gUNEOCPI41
     ZTF0KeL  C2021 02 28.33566010 17 53.42 +18 14 59.3    ~2SCu 15.37gUNEOCPI41

Station data:
(I41) Palomar Mountain--ZTF  (N33.357340 W116.859780)  US/California. 1.2-m
   f/2.44 Oschin Schmidt + CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442547 W110.788920)
   US/Arizona.  Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
   A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
   Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
   Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m reflector + CCD.

Orbital elements:  ZTF0KbQ = ZTF0KeL
   Perigee 2021 Feb 27.81323 +/- 0.000366 TT = 19:31:03 (JD 2459273.31323)
A1: 8.75e-6 +/- 1.02e-7   A2: -7.49e-8 +/- 2.29e-8   A3: 2.09e-7 +/- 5.72e-9 AU/day^2 [1/r^2]
Epoch 2021 Feb 28.0 TT = JDT 2459273.5                        Gray
M  68.35549627 +/- 0.13             (J2000 equator)
n 365.99391125 +/- 0.00773          Peri.  257.28428 +/- 0.032
a 41778.6368 +/- 0.588              Node    75.86593 +/- 0.0018
e   0.7426878 +/- 3.56e-5           Incl.   19.89979 +/- 0.0025
P1416.39m/0.984d           H 31.1   G  0.15   U  9.5
q 10750.1512 +/- 1.51    Q 72807.1224 +/- 1.73
From 22 observations 2021 Feb. 19-28; mean residual 1".232
Residuals in arcseconds: 
210219 I41 1.02+ .553+    210219 I52 .209- 383µ+    210228 I41 3.87- .046+
210219 I41 .429+ .775+    210219 I52 .408- .072-    210228 I41 4.99- .236-
210219 I41 .660- .792-    210219 I52 .518+ .040-    210228 I41 .525+ .237+
210219 I41 .900- .572-    210219 I52 .414+ .083-    210228 I41 1.50+ .476+
210219 I41 .522+ .077+    210219 I52 .698+ .067-    210228 I41 2.41+ .125+
210219 I41 .495+ .059+    210219 I52 .577+ .100-    210228 I41 1.79+ .686-
210219 I52 .309- .150-    210228 I41 2.01+ .369+
210219 I52 .312- .090-    210228 I41 1.92+ .511+

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta elong  mag " sig PA
---- --------  ------------   ------------  ------ -----  --- --------
2021 02 28 00  08 02 42.347   +14 18 51.37   51835 140.1 15.4 42.1  79
2021 02 28 01  08 26 42.966   +15 40 29.59   57552 145.7 15.5 23.8  82
2021 02 28 02  08 46 58.301   +16 40 59.70   62214 150.2 15.5 12.5  86
2021 02 28 03  09 04 49.631   +17 27 43.72   65943 154.1 15.5 5.23  93
2021 02 28 04  09 21 06.034   +18 04 47.82   68822 157.4 15.5 .976 153
2021 02 28 05  09 36 20.202   +18 34 38.57   70909 160.4 15.5 2.82  69
2021 02 28 06  09 50 55.976   +18 58 46.27   72241 163.0 15.4 4.48  78
2021 02 28 07  10 05 12.406   +19 18 06.17   72842 165.2 15.4 5.10  83
2021 02 28 08  10 19 26.276   +19 33 09.09   72722 166.9 15.3 4.73  87
2021 02 28 09  10 33 53.965   +19 44 06.09   71879 167.9 15.2 3.36  92
2021 02 28 10  10 48 53.196   +19 50 49.02   70299 168.0 15.2 .943 121
2021 02 28 11  11 04 45.118   +19 52 46.82   67954 167.1 15.2 3.29  77
2021 02 28 12  11 21 57.360   +19 48 55.72   64801 165.2 15.1 9.23  85
2021 02 28 13  11 41 09.244   +19 37 17.84   60774 162.1 15.1 18.1  89
2021 02 28 14  12 03 21.825   +19 14 13.99   55781 158.0 15.0 31.9  92
2021 02 28 15  12 30 19.791   +18 32 29.61   49683 152.5 14.9 54.4  95
2021 02 28 16  13 05 27.131   +17 15 55.86   42277 144.8 14.8 95.8  98
2021 02 28 17  13 56 43.566   +14 40 53.40   33256 132.9 14.6  188 103
2021 02 28 18  15 30 09.255   +08 03 39.39   22237 109.8 14.4  485 108
2021 02 28 19  20 22 07.971   -15 28 41.54   11259  36.2 17?? 2028 103
2021 02 28 20  04 03 30.570   -05 13 33.15   17946  78.6 15.2  751  71
2021 02 28 21  06 08 35.396   +05 54 33.98   29632 111.0 15.0  239  72
2021 02 28 22  07 06 54.164   +10 36 53.91   39315 125.7 15.2  111  75
2021 02 28 23  07 44 26.782   +13 14 37.51   47244 134.8 15.3 59.4  77
2021 03 01 00  08 12 26.134   +14 57 06.45   53770 141.4 15.4 33.2  80
2021 03 01 01  08 35 07.802   +16 09 48.72   59129 146.6 15.5 18.0  84
2021 03 01 02  08 54 34.569   +17 04 19.02   63478 150.9 15.5 8.43  90
2021 03 01 03  09 11 55.002   +17 46 39.38   66924 154.5 15.5 2.40 110
2021 03 01 04  09 27 51.908   +18 20 16.17   69541 157.8 15.5 2.14  57
2021 03 01 05  09 42 54.653   +18 47 13.80   71380 160.6 15.5 4.47  75
2021 03 01 06  09 57 25.279   +19 08 48.89   72474 163.1 15.4 5.72  80
2021 03 01 07  10 11 41.945   +19 25 47.23   72841 165.2 15.4 5.97  84
2021 03 01 08  10 26 01.170   +19 38 32.12   72487 166.7 15.3 5.23  87
2021 03 01 09  10 40 39.621   +19 47 07.56   71408 167.6 15.2 3.48  93
2021 03 01 10  10 55 55.910   +19 51 17.39   69584 167.6 15.2 .718 137
2021 03 01 11  11 12 12.919   +19 50 19.78   66983 166.5 15.1 4.14  80
2021 03 01 12  11 30 01.379   +19 42 54.35   63556 164.3 15.1 10.9  87
2021 03 01 13  11 50 06.240   +19 26 34.15   59229 161.0 15.1 21.0  90
2021 03 01 14  12 13 39.421   +18 56 42.82   53896 156.6 15.0 36.8  93
2021 03 01 15  12 42 48.902   +18 03 56.69   47403 150.5 14.9 63.6  96
2021 03 01 16  13 21 57.410   +16 26 15.89   39517 141.8 14.8  115 100
2021 03 01 17  14 22 17.049   +12 59 03.61   29893 127.6 14.5  241 104
2021 03 01 18  16 26 43.327   +03 04 12.88   18273  96.2 14.5  730 109
2021 03 01 19  23 47 21.151   -19 29 04.90   11163  18.4 22?? 2011  86
2021 03 01 20  04 59 36.427   -00 05 28.68   21911  92.2 15.0  474  71
2021 03 01 21  06 32 05.957   +07 59 41.11   32968 116.0 15.1  177  73
2021 03 01 22  07 21 43.571   +11 47 17.33   42030 128.3 15.3 86.6  76
2021 03 01 23  07 55 36.275   +14 01 42.03   49468 136.5 15.4 46.9  79
2021 03 02 00  08 21 40.558   +15 31 40.70   55591 142.5 15.5 25.6  82
2021 03 02 01  08 43 14.665   +16 36 35.95   60606 147.4 15.5 12.9  87
2021 03 02 02  09 01 59.267   +17 25 43.04   64651 151.5 15.5 4.90  97
2021 03 02 03  09 18 52.834   +18 04 00.70   67821 155.0 15.5 1.29  18
2021 03 02 04  09 34 33.047   +18 34 22.60   70180 158.1 15.5 4.04  70
2021 03 02 05  09 49 26.519   +18 58 34.33   71773 160.8 15.5 5.96  78
2021 03 02 06  10 03 53.819   +19 17 40.46   72629 163.2 15.4 6.81  82
2021 03 02 07  10 18 12.430   +19 32 18.13   72761 165.2 15.4 6.69  85
2021 03 02 08  10 32 38.787   +19 42 43.34   72173 166.6 15.3 5.60  88
2021 03 02 09  10 47 30.023   +19 48 52.79   70854 167.3 15.2 3.46  94
2021 03 02 10  11 03 05.891   +19 50 21.49   68782 167.1 15.2 .558   0
2021 03 02 11  11 19 51.385   +19 46 15.20   65919 165.8 15.1 5.21  83
2021 03 02 12  11 38 21.011   +19 34 53.47   62208 163.4 15.1 12.8  88
2021 03 02 13  11 59 26.677   +19 13 12.97   57568 159.9 15.0 24.3  92
2021 03 02 14  12 24 34.130   +18 35 22.79   51878 155.0 15.0 42.7  95
2021 03 02 15  12 56 22.379   +17 29 01.86   44964 148.3 14.9 74.9  98
2021 03 02 16  13 40 38.134   +15 23 30.95   36560 138.3 14.7  141 101
2021 03 02 17  14 53 44.460   +10 39 23.34   26293 120.7 14.5  320 106
2021 03 02 18  17 53 05.230   -04 47 32.43   14404  74.8 14.9 1182 109
2021 03 02 19  02 27 06.459   -12 32 00.14   13867  52.7 16?? 1251  75
2021 03 02 20  05 39 10.480   +03 35 25.78   25734 101.6 15.0  319  71
2021 03 02 21  06 51 54.839   +09 40 46.29   36102 120.0 15.2  133  74
2021 03 02 22  07 35 08.151   +12 47 57.43   44586 130.6 15.3 67.8  77
2021 03 02 23  08 06 03.913   +14 43 36.83   51563 137.9 15.4 36.6  80
2021 03 03 00  08 30 31.272   +16 02 58.87   57304 143.5 15.5 19.1  84
2021 03 03 01  08 51 07.013   +17 01 02.91   61989 148.1 15.6 8.50  91
2021 03 03 02  09 09 14.754   +17 45 17.36   65738 152.0 15.6 2.04 125
2021 03 03 03  09 25 44.855   +18 19 50.18   68636 155.4 15.6 3.17  61
2021 03 03 04  09 41 10.781   +18 47 07.90   70741 158.4 15.5 5.81  75
2021 03 03 05  09 55 56.859   +19 08 39.93   72091 161.0 15.5 7.29  80
2021 03 03 06  10 10 22.467   +19 25 20.13   72709 163.3 15.4 7.76  83
2021 03 03 07  10 24 44.605   +19 37 37.52   72606 165.1 15.4 7.28  86
2021 03 03 08  10 39 19.796   +19 45 40.91   71780 166.4 15.3 5.84  89
2021 03 03 09  10 54 25.842   +19 49 19.27   70218 167.0 15.2 3.31  95
2021 03 03 10  11 10 23.905   +19 47 57.80   67893 166.5 15.2 .873  48
2021 03 03 11  11 27 41.543   +19 40 27.70   64760 165.0 15.1 6.52  85
2021 03 03 12  11 46 57.866   +19 24 44.09   60756 162.4 15.1 15.1  90
2021 03 03 13  12 09 13.437   +18 56 57.63   55789 158.6 15.0 28.3  93
2021 03 03 14  12 36 11.817   +18 09 38.90   49724 153.3 14.9 49.9  96
2021 03 03 15  13 11 14.133   +16 46 18.48   42359 145.7 14.8 89.1  99
2021 03 03 16  14 02 11.128   +14 03 04.98   33395 134.0 14.6  175 103
2021 03 03 17  15 34 20.643   +07 19 51.76   22466 111.4 14.4  449 108