"Pseudo-MPEC" for P21Yd4D
Created 2024 Sep 9 11:22:24 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: P21Yd4D* C2024 09 07.38987323 44 12.382+15 22 32.23 ~97BM 22.13wXNEOCPF52 P21Yd4D C2024 09 07.40115223 44 11.796+15 22 10.53 ~97BM 22.55wXNEOCPF52 P21Yd4D C2024 09 07.41247223 44 11.208+15 21 48.81 ~97BM 22.35wXNEOCPF52 P21Yd4D C2024 09 07.51131923 44 06.042+15 18 37.52 ~97H7 22.36GVNEOCPF52 P21Yd4D C2024 09 07.51197723 44 05.989+15 18 36.00 ~97H7 22.69GVNEOCPF52 P21Yd4D KC2024 09 09.28387623 42 40.799+14 20 10.36 ~997M 22.16GVNEOCPV06 P21Yd4D KC2024 09 09.28864423 42 40.532+14 20 00.92 ~997M 22.12GVNEOCPV06 P21Yd4D KC2024 09 09.29341323 42 40.277+14 19 51.38 ~997M 22.13GVNEOCPV06 P21Yd4D KC2024 09 09.29818423 42 40.028+14 19 41.77 ~997M 22.33GVNEOCPV06 Station data: (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. (V06) Catalina Sky Survey-Kuiper (N32.416871 W110.732550) 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. 1.55-m reflector + CCD. Orbital elements: P21Yd4D Perihelion 2025 Jun 4.04894 +/- 58.8 TT = 1:10:28 (JD 2460830.54894) Epoch 2024 Sep 9.0 TT = JDT 2460562.5 Earth MOID: 0.6547 Ma: 0.0119 M 237.39794268 +/- 26 (J2000 ecliptic) AutoNEOCP n 0.45738684 +/- 0.00889 Peri. 291.54001 +/- 24 a 1.66832351 +/- 0.0216 Node 184.61918 +/- 0.19 e 0.0244369 +/- 0.0202 Incl. 28.06731 +/- 0.8 P 2.155/787.065d H 21.28 G 0.15 U 9.6 q 1.62755484 +/- 0.044 Q 1.70909219 +/- 0.0354 From 9 observations 2024 Sept. 7-9 (45.8 hr); mean residual 0".08
Residuals in arcseconds: 240907 F52 .01- .03- 240907 F52 .14+ .12+ 240909 V06 .07- .01+ 240907 F52 .01- .02- 240907 F52 .13- .12- 240909 V06 .06- .07+ 240907 F52 .02+ .07+ 240909 V06 .10+ .14- 240909 V06 .03+ .06+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 09 09 11 23 42 32.012 +14 14 22.11 .71122 1.6909 159.2 22.4 .080 84 2024 09 09 12 23 42 29.958 +14 12 57.79 .71107 1.6909 159.2 22.4 .095 71 2024 09 09 13 23 42 27.902 +14 11 33.40 .71093 1.6908 159.3 22.4 .114 61 2024 09 09 14 23 42 25.845 +14 10 08.94 .71079 1.6908 159.3 22.4 .136 54 2024 09 09 15 23 42 23.787 +14 08 44.40 .71065 1.6908 159.4 22.4 .160 49 2024 09 09 16 23 42 21.727 +14 07 19.79 .71051 1.6908 159.4 22.4 .186 45 2024 09 09 17 23 42 19.666 +14 05 55.10 .71037 1.6908 159.5 22.4 .214 42 2024 09 09 18 23 42 17.603 +14 04 30.35 .71023 1.6908 159.5 22.4 .243 40 2024 09 09 19 23 42 15.539 +14 03 05.52 .71009 1.6908 159.6 22.4 .273 38 2024 09 09 20 23 42 13.474 +14 01 40.62 .70995 1.6908 159.6 22.4 .304 36 2024 09 09 21 23 42 11.407 +14 00 15.65 .70981 1.6907 159.7 22.4 .336 35 2024 09 09 22 23 42 09.339 +13 58 50.61 .70967 1.6907 159.7 22.4 .370 34 2024 09 09 23 23 42 07.270 +13 57 25.49 .70953 1.6907 159.8 22.4 .404 33 2024 09 10 00 23 42 05.199 +13 56 00.30 .70939 1.6907 159.8 22.4 .439 32 2024 09 10 01 23 42 03.127 +13 54 35.05 .70926 1.6907 159.9 22.4 .476 31 2024 09 10 02 23 42 01.054 +13 53 09.72 .70912 1.6907 160.0 22.4 .513 30 2024 09 10 03 23 41 58.980 +13 51 44.32 .70898 1.6907 160.0 22.4 .551 30 2024 09 10 04 23 41 56.904 +13 50 18.85 .70885 1.6907 160.1 22.4 .590 29 2024 09 10 05 23 41 54.827 +13 48 53.31 .70871 1.6907 160.1 22.4 .631 29 2024 09 10 06 23 41 52.748 +13 47 27.70 .70858 1.6906 160.2 22.4 .672 28 2024 09 10 07 23 41 50.669 +13 46 02.01 .70844 1.6906 160.2 22.4 .714 28 2024 09 10 08 23 41 48.588 +13 44 36.26 .70831 1.6906 160.3 22.4 .757 28 2024 09 10 09 23 41 46.506 +13 43 10.44 .70817 1.6906 160.3 22.4 .800 27 2024 09 10 10 23 41 44.422 +13 41 44.55 .70804 1.6906 160.4 22.4 .845 27 2024 09 10 11 23 41 42.338 +13 40 18.59 .70791 1.6906 160.4 22.4 .891 27 2024 09 10 12 23 41 40.252 +13 38 52.55 .70778 1.6906 160.5 22.4 .937 26 2024 09 10 13 23 41 38.165 +13 37 26.45 .70764 1.6906 160.5 22.4 .985 26 2024 09 10 14 23 41 36.077 +13 36 00.28 .70751 1.6906 160.6 22.4 1.03 26 2024 09 10 15 23 41 33.987 +13 34 34.04 .70738 1.6905 160.6 22.4 1.08 26 2024 09 10 16 23 41 31.897 +13 33 07.73 .70725 1.6905 160.7 22.4 1.13 26 2024 09 10 17 23 41 29.805 +13 31 41.35 .70712 1.6905 160.7 22.4 1.18 25 2024 09 10 18 23 41 27.712 +13 30 14.91 .70699 1.6905 160.8 22.4 1.24 25 2024 09 10 19 23 41 25.618 +13 28 48.39 .70686 1.6905 160.8 22.4 1.29 25 2024 09 10 20 23 41 23.522 +13 27 21.81 .70673 1.6905 160.9 22.4 1.34 25 2024 09 10 21 23 41 21.426 +13 25 55.15 .70660 1.6905 161.0 22.4 1.40 25 2024 09 10 22 23 41 19.328 +13 24 28.43 .70648 1.6905 161.0 22.4 1.45 25 2024 09 10 23 23 41 17.230 +13 23 01.64 .70635 1.6905 161.1 22.4 1.51 24 2024 09 11 00 23 41 15.130 +13 21 34.79 .70622 1.6904 161.1 22.4 1.57 24 2024 09 11 01 23 41 13.029 +13 20 07.86 .70610 1.6904 161.2 22.4 1.62 24 2024 09 11 02 23 41 10.927 +13 18 40.87 .70597 1.6904 161.2 22.3 1.68 24 2024 09 11 03 23 41 08.823 +13 17 13.81 .70584 1.6904 161.3 22.3 1.74 24 2024 09 11 04 23 41 06.719 +13 15 46.68 .70572 1.6904 161.3 22.3 1.80 24 2024 09 11 05 23 41 04.614 +13 14 19.49 .70559 1.6904 161.4 22.3 1.86 24 2024 09 11 06 23 41 02.507 +13 12 52.23 .70547 1.6904 161.4 22.3 1.93 24 2024 09 11 07 23 41 00.400 +13 11 24.90 .70535 1.6904 161.5 22.3 1.99 24 2024 09 11 08 23 40 58.291 +13 09 57.51 .70522 1.6904 161.5 22.3 2.05 23 2024 09 11 09 23 40 56.182 +13 08 30.04 .70510 1.6903 161.6 22.3 2.12 23 2024 09 11 10 23 40 54.071 +13 07 02.52 .70498 1.6903 161.6 22.3 2.18 23