"Pseudo-MPEC" for P21ZNdz

Created 2024 Oct 3 11:22:19 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21ZNdz* C2024 10 01.34857100 10 13.636+33 51 20.99   ~A1Abx20.67wXNEOCPF52
     P21ZNdz  C2024 10 01.36052200 10 20.672+33 50 30.08   ~A1Ab 21.22wXNEOCPF52
     P21ZNdz  C2024 10 01.37257100 10 27.728+33 49 38.86   ~A1Ab 20.83wXNEOCPF52
     P21ZNdz  C2024 10 01.38467100 10 34.756+33 48 47.30   ~A1Ab 21.16wXNEOCPF52
     P21ZNdz KC2024 10 01.45745100 11 12.710+33 42 44.30   ~A1Bq 21.13GVNEOCPI52
     P21ZNdz  C2024 10 01.46169200 11 19.365+33 43 11.53   ~A1MM 20.82GVNEOCPF52
     P21ZNdz  C2024 10 01.46235100 11 19.719+33 43 08.75   ~A1MM 20.92GVNEOCPF52
     P21ZNdz  C2024 10 01.46301100 11 20.120+33 43 05.61   ~A1MM 20.81GVNEOCPF52
     P21ZNdz KC2024 10 01.46389000 11 16.530+33 42 14.60   ~A1Bq       VNEOCPI52
     P21ZNdz KC2024 10 01.47705600 11 24.590+33 41 13.30   ~A1Bq 20.97GVNEOCPI52
     P21ZNdz KC2024 10 01.47867900 11 25.560+33 41 06.00   ~A1Bq 20.28GVNEOCPI52
     P21ZNdz KC2024 10 02.15208800 18 27.220+32 52 42.30   ~A24b       VNEOCPI52
     P21ZNdz KC2024 10 02.15510600 18 28.900+32 52 30.20   ~A24b 21.03GVNEOCPI52
     P21ZNdz KC2024 10 02.16538500 18 32.10 +32 51 45.9    ~A24b 20.7 GVNEOCPH21
     P21ZNdz KC2024 10 02.17284600 18 36.17 +32 51 14.3    ~A24b 21.0 GVNEOCPH21
     P21ZNdz KC2024 10 03.17925600 28 02.75 +31 39 02.4    ~A357 21.1 GVNEOCPH21
     P21ZNdz  C2024 10 03.18262000 28 06.585+31 38 51.14   ~A357 21.1 GVNEOCPH01
     P21ZNdz KC2024 10 03.18307700 28 04.67 +31 38 46.3    ~A357 21.1 GVNEOCPH21
     P21ZNdz KC2024 10 03.18484700 28 05.58 +31 38 38.6    ~A357 21.3 GVNEOCPH21
     P21ZNdz  C2024 10 03.18596800 28 08.266+31 38 37.36   ~A357 20.6 GVNEOCPH01
     P21ZNdz KC2024 10 03.18829600 28 07.30 +31 38 24.4    ~A357 21.2 GVNEOCPH21
     P21ZNdz  C2024 10 03.19655800 28 13.590+31 37 53.60   ~A357 21.2 GVNEOCPH01
     P21ZNdz  C2024 10 03.20533200 28 17.975+31 37 17.50   ~A357 20.5 GVNEOCPH01
     P21ZNdz !C2024 10 03.30745 00 29 09.63 +31 30 06.0    ~A37q 20.7 GVNEOCP673
     P21ZNdz !C2024 10 03.31151 00 29 11.64 +31 29 48.9    ~A37q       VNEOCP673

Station data:
(673) Table Mountain Observatory, Wrightwood  (N34.381485 W117.682170)
   US/California.  Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
   Jr. 0.61-m f/16 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.
(H01) Magdalena Ridge Observatory, Socorro  (N33.984833 W107.189333)  US/New
   Mexico.  Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
   f/8.9 reflector + 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.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442570 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 prime focus + CCD.

Orbital elements:  P21ZNdz
   Perihelion 2024 Sep 5.52796 +/- 0.0135 TT = 12:40:15 (JD 2460559.02796)
Epoch 2024 Oct  3.0 TT = JDT 2460586.5   Earth MOID: 0.0656   Ma: 0.0851
M  10.18080944 +/- 0.028            (J2000 ecliptic)             AutoNEOCP
n   0.37058798 +/- 0.00107          Peri.  124.02979 +/- 0.039
a   1.91959005 +/- 0.0037           Node   216.09084 +/- 0.020
e   0.4635709 +/- 0.00101           Incl.    4.69130 +/- 0.008
P   2.660/971.411d         H 25.18  G  0.15   U  8.1
q 1.02972387 +/- 6.87e-5    Q 2.80945624 +/- 0.00736
24 of 25 observations 2024 Oct. 1-3 (46.8 hr); mean residual 0".18
Residuals in arcseconds: 
241001 F52( .72-  .68+)   241001 I52  .10-  .11-    241003 H21  .18+  .31-    
241001 F52  .20-  .09+    241001 I52  .35-  .11+    241003 H01  .04+  .02-    
241001 F52  .14+  .10-    241002 I52  .03+  .11-    241003 H21  .11+  .01-    
241001 F52  .01-  .09-    241002 I52  .12-  .15+    241003 H01  .07+  .14-    
241001 I52  .32+  .23+    241002 H21  .27+  .07+    241003 H01  .04-  .03+    
241001 F52  .23+  .03-    241002 H21  .23-  .02+    241003 673  .17-  .02+    
241001 F52  .11-  .12+    241003 H21  .20-  .03+    241003 673  .06+  .21+    
241001 F52  .13+  .09-    241003 H01  .12+  .00     
241001 I52  .73-  .27+    241003 H21  .13-  .04-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2024 10 03 11  00 30 29.126   +31 19 27.97  .08655 1.0782 152.7 21.2 .040 109
2024 10 03 12  00 30 50.954   +31 16 30.83  .08667 1.0783 152.8 21.2 .037 108
2024 10 03 13  00 31 12.699   +31 13 33.83  .08679 1.0785 152.9 21.2 .034 106
2024 10 03 14  00 31 34.364   +31 10 36.97  .08691 1.0786 152.9 21.2 .031 103
2024 10 03 15  00 31 55.947   +31 07 40.25  .08703 1.0787 153.0 21.2 .028 100
2024 10 03 16  00 32 17.450   +31 04 43.68  .08715 1.0789 153.1 21.2 .025  96
2024 10 03 17  00 32 38.872   +31 01 47.26  .08727 1.0790 153.1 21.2 .022  90
2024 10 03 18  00 33 00.214   +30 58 50.99  .08739 1.0792 153.2 21.2 .020  83
2024 10 03 19  00 33 21.477   +30 55 54.88  .08751 1.0793 153.3 21.2 .017  73
2024 10 03 20  00 33 42.659   +30 52 58.92  .08763 1.0794 153.3 21.2 .015  59
2024 10 03 21  00 34 03.763   +30 50 03.11  .08775 1.0796 153.4 21.2 .014  43
2024 10 03 22  00 34 24.787   +30 47 07.47  .08787 1.0797 153.5 21.2 .015  25
2024 10 03 23  00 34 45.733   +30 44 11.99  .08799 1.0799 153.5 21.2 .017  10
2024 10 04 00  00 35 06.601   +30 41 16.67  .08811 1.0800 153.6 21.2 .020 178
2024 10 04 01  00 35 27.390   +30 38 21.51  .08824 1.0802 153.7 21.2 .023 169
2024 10 04 02  00 35 48.102   +30 35 26.52  .08836 1.0803 153.7 21.2 .028 163
2024 10 04 03  00 36 08.736   +30 32 31.71  .08848 1.0804 153.8 21.2 .032 158
2024 10 04 04  00 36 29.293   +30 29 37.06  .08860 1.0806 153.9 21.2 .037 154
2024 10 04 05  00 36 49.773   +30 26 42.58  .08873 1.0807 153.9 21.2 .042 151
2024 10 04 06  00 37 10.177   +30 23 48.28  .08885 1.0809 154.0 21.2 .047 149
2024 10 04 07  00 37 30.504   +30 20 54.16  .08897 1.0810 154.1 21.2 .053 147
2024 10 04 08  00 37 50.755   +30 18 00.22  .08910 1.0811 154.1 21.2 .059 146
2024 10 04 09  00 38 10.930   +30 15 06.45  .08922 1.0813 154.2 21.2 .065 145
2024 10 04 10  00 38 31.030   +30 12 12.87  .08934 1.0814 154.3 21.2 .071 143
2024 10 04 11  00 38 51.055   +30 09 19.47  .08947 1.0816 154.3 21.2 .077 143
2024 10 04 12  00 39 11.005   +30 06 26.26  .08959 1.0817 154.4 21.2 .083 142
2024 10 04 13  00 39 30.880   +30 03 33.23  .08972 1.0819 154.5 21.2 .089 141
2024 10 04 14  00 39 50.681   +30 00 40.39  .08985 1.0820 154.5 21.2 .096 141
2024 10 04 15  00 40 10.408   +29 57 47.74  .08997 1.0821 154.6 21.2 .103 140
2024 10 04 16  00 40 30.061   +29 54 55.29  .09010 1.0823 154.7 21.2 .109 140
2024 10 04 17  00 40 49.640   +29 52 03.03  .09022 1.0824 154.7 21.2 .116 139
2024 10 04 18  00 41 09.147   +29 49 10.96  .09035 1.0826 154.8 21.2 .124 139
2024 10 04 19  00 41 28.580   +29 46 19.09  .09048 1.0827 154.9 21.2 .131 138
2024 10 04 20  00 41 47.941   +29 43 27.42  .09060 1.0829 154.9 21.2 .138 138
2024 10 04 21  00 42 07.230   +29 40 35.94  .09073 1.0830 155.0 21.2 .146 138
2024 10 04 22  00 42 26.446   +29 37 44.67  .09086 1.0832 155.0 21.2 .153 138
2024 10 04 23  00 42 45.591   +29 34 53.60  .09099 1.0833 155.1 21.2 .161 138
2024 10 05 00  00 43 04.664   +29 32 02.74  .09111 1.0834 155.2 21.2 .169 137
2024 10 05 01  00 43 23.666   +29 29 12.08  .09124 1.0836 155.2 21.2 .177 137
2024 10 05 02  00 43 42.597   +29 26 21.63  .09137 1.0837 155.3 21.2 .185 137
2024 10 05 03  00 44 01.457   +29 23 31.38  .09150 1.0839 155.4 21.2 .193 137
2024 10 05 04  00 44 20.247   +29 20 41.35  .09163 1.0840 155.4 21.2 .201 137
2024 10 05 05  00 44 38.967   +29 17 51.53  .09176 1.0842 155.5 21.2 .209 137
2024 10 05 06  00 44 57.617   +29 15 01.91  .09189 1.0843 155.6 21.3 .218 137
2024 10 05 07  00 45 16.198   +29 12 12.52  .09202 1.0845 155.6 21.3 .226 136
2024 10 05 08  00 45 34.709   +29 09 23.34  .09215 1.0846 155.7 21.3 .235 136
2024 10 05 09  00 45 53.151   +29 06 34.37  .09228 1.0848 155.7 21.3 .244 136
2024 10 05 10  00 46 11.525   +29 03 45.62  .09241 1.0849 155.8 21.3 .253 136