"Pseudo-MPEC" for OP50643
Created 2026 Aug 13 18:35:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
OP50643 0C2026 07 24.50892722 49 58.736-02 01 03.37 ~87K5 21.96wXNEOCPF51
OP50643 0C2026 07 24.52081422 49 59.809-02 00 52.78 ~87K5 22.24wXNEOCPF51
OP50643 0C2026 07 24.53291822 50 00.894-02 00 41.97 ~87K5 22.25wXNEOCPF51
OP50643 0C2026 07 26.50433922 53 12.606-01 31 38.57 ~87K5 23.57GVNEOCPF52
OP50643 0C2026 07 26.51403822 53 13.489-01 31 30.12 ~87K5 22.55GVNEOCPF52
OP50643 0C2026 07 26.52371322 53 14.344-01 31 21.67 ~87K5 21.57GVNEOCPF52
OP50643 C2026 08 04.78133123 07 10.315+00 37 54.92 ~8A85 21.64gWNEOCPO18
OP50643 C2026 08 04.80343823 07 12.007+00 38 12.22 ~8A85 21.86rWNEOCPO18
OP50643* C2026 08 06.74464123 09 52.382+01 03 19.35 ~87JK 21.90gWNEOCPO18
OP50643 C2026 08 06.74570623 09 52.464+01 03 20.16 ~87JK 21.48gWNEOCPO18
OP50643 C2026 08 06.81289423 09 57.399+01 04 11.71 ~87JK 21.35rWNEOCPO18
OP50643 KC2026 08 08.34252123 11 58.86 +01 23 19.9 ~888o 21.7 GVNEOCPH21
OP50643 KC2026 08 08.34540923 11 59.08 +01 23 22.1 ~888o 21.6 GVNEOCPH21
OP50643 KC2026 08 08.34781523 11 59.25 +01 23 24.0 ~888o 21.5 GVNEOCPH21
OP50643 C2026 08 09.83192123 13 53.720+01 41 24.64 ~8A85 21.49gWNEOCPO18
OP50643 C2026 08 09.89253523 13 57.833+01 42 07.95 ~8A85 21.33rWNEOCPO18
OP50643 C2026 08 10.74535923 15 02.989+01 52 11.75 ~8BFK 21.85gWNEOCPO18
OP50643 C2026 08 10.84719923 15 09.726+01 53 23.20 ~8BFK 21.48rWNEOCPO18
Station data:
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, 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. 0.40-m f/5.32 astrograph + CCD.
(O18) WFST, Lenghu (N38.607601 E93.895220) China. Observers K. Yan, Z. Q.
Li, J. Z. Zhu, N. Jiang, Z. Y. Liu. Measurers B. Li, H. B. Zhao, Z. J. Xu,
G. T. Zhaori. 2.5-m f/2.48 reflector + CCD.
Orbital elements: OP50643
Perihelion 2026 Aug 29.192918 +/- 0.271 TT = 4:37:48.0 (JD 2461281.692918)
Epoch 2026 Aug 10.0 TT = JDT 2461262.5 Earth MOID: 0.3011 Ma: 0.0447
M 354.151094529 +/- 0.18 (J2000 ecliptic) AutoNEOCP
n 0.304742902 +/- 0.00518 Peri. 95.223963 +/- 0.47
a 2.186990932 +/- 0.0248 Node 245.001272 +/- 0.29
e 0.40171086 +/- 0.00543 Incl. 1.653309 +/- 0.011
P 3.23423 H 22.15 G 0.15 U 9.2
q 1.308452904 +/- 0.00298 Q 3.065528961 +/- 0.0466
From 18 observations 2026 July 24-Aug. 10; mean residual 0".15
Residuals in arcseconds: 260724 F51 .09+ .09- 260804 O18 .20+ .08- 260808 H21 .10+ .05- 260724 F51 .13+ .07- 260804 O18 .27+ .24- 260808 H21 .11+ .07+ 260724 F51 .07+ .03- 260806 O18 .09+ .16- 260809 O18 .07- .12+ 260726 F52 .48- .14+ 260806 O18 .14+ .16- 260809 O18 .10- .11+ 260726 F52 .00 .08+ 260806 O18 .28+ .10+ 260810 O18 .13- .02+ 260726 F52 .11+ .03+ 260808 H21 .15- .12- 260810 O18 .23- .08+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 13 19 23 18 40.916 +02 26 42.49 .34140 1.3166 148.6 21.5 .571 96 2026 08 13 20 23 18 43.795 +02 27 09.46 .34129 1.3166 148.7 21.5 .577 96 2026 08 13 21 23 18 46.671 +02 27 36.41 .34119 1.3166 148.7 21.5 .582 96 2026 08 13 22 23 18 49.544 +02 28 03.32 .34108 1.3165 148.7 21.5 .587 95 2026 08 13 23 23 18 52.414 +02 28 30.20 .34098 1.3165 148.7 21.5 .593 95 2026 08 14 00 23 18 55.281 +02 28 57.04 .34087 1.3164 148.8 21.5 .598 95 2026 08 14 01 23 18 58.145 +02 29 23.86 .34077 1.3164 148.8 21.5 .603 95 2026 08 14 02 23 19 01.006 +02 29 50.65 .34067 1.3163 148.8 21.5 .609 95 2026 08 14 03 23 19 03.864 +02 30 17.40 .34056 1.3163 148.8 21.5 .614 94 2026 08 14 04 23 19 06.719 +02 30 44.12 .34046 1.3162 148.9 21.5 .620 94 2026 08 14 05 23 19 09.571 +02 31 10.81 .34035 1.3162 148.9 21.5 .625 94 2026 08 14 06 23 19 12.420 +02 31 37.46 .34025 1.3162 148.9 21.5 .631 94 2026 08 14 07 23 19 15.266 +02 32 04.09 .34015 1.3161 148.9 21.5 .637 93 2026 08 14 08 23 19 18.109 +02 32 30.68 .34004 1.3161 149.0 21.5 .642 93 2026 08 14 09 23 19 20.949 +02 32 57.24 .33994 1.3160 149.0 21.5 .648 93 2026 08 14 10 23 19 23.787 +02 33 23.77 .33984 1.3160 149.0 21.5 .654 93 2026 08 14 11 23 19 26.621 +02 33 50.26 .33974 1.3160 149.0 21.5 .659 93 2026 08 14 12 23 19 29.452 +02 34 16.73 .33963 1.3159 149.1 21.5 .665 92 2026 08 14 13 23 19 32.280 +02 34 43.16 .33953 1.3159 149.1 21.5 .671 92 2026 08 14 14 23 19 35.105 +02 35 09.56 .33943 1.3158 149.1 21.5 .677 92 2026 08 14 15 23 19 37.928 +02 35 35.93 .33933 1.3158 149.1 21.5 .683 92 2026 08 14 16 23 19 40.747 +02 36 02.26 .33923 1.3157 149.2 21.5 .689 92 2026 08 14 17 23 19 43.563 +02 36 28.56 .33913 1.3157 149.2 21.5 .695 91 2026 08 14 18 23 19 46.376 +02 36 54.84 .33903 1.3157 149.2 21.5 .701 91 2026 08 14 19 23 19 49.187 +02 37 21.07 .33892 1.3156 149.2 21.5 .707 91 2026 08 14 20 23 19 51.994 +02 37 47.28 .33882 1.3156 149.3 21.5 .713 91 2026 08 14 21 23 19 54.798 +02 38 13.45 .33872 1.3155 149.3 21.5 .719 91 2026 08 14 22 23 19 57.600 +02 38 39.59 .33862 1.3155 149.3 21.5 .725 90 2026 08 14 23 23 20 00.398 +02 39 05.70 .33852 1.3155 149.3 21.5 .731 90 2026 08 15 00 23 20 03.193 +02 39 31.78 .33842 1.3154 149.4 21.5 .737 90 2026 08 15 01 23 20 05.986 +02 39 57.82 .33832 1.3154 149.4 21.5 .744 90 2026 08 15 02 23 20 08.775 +02 40 23.83 .33822 1.3153 149.4 21.5 .750 90 2026 08 15 03 23 20 11.561 +02 40 49.81 .33812 1.3153 149.4 21.5 .756 89 2026 08 15 04 23 20 14.345 +02 41 15.75 .33802 1.3153 149.5 21.5 .763 89 2026 08 15 05 23 20 17.125 +02 41 41.67 .33792 1.3152 149.5 21.5 .769 89 2026 08 15 06 23 20 19.903 +02 42 07.55 .33783 1.3152 149.5 21.5 .775 89 2026 08 15 07 23 20 22.677 +02 42 33.39 .33773 1.3151 149.5 21.5 .782 89 2026 08 15 08 23 20 25.449 +02 42 59.21 .33763 1.3151 149.6 21.5 .788 89 2026 08 15 09 23 20 28.217 +02 43 24.99 .33753 1.3151 149.6 21.5 .795 88 2026 08 15 10 23 20 30.983 +02 43 50.74 .33743 1.3150 149.6 21.5 .801 88 2026 08 15 11 23 20 33.745 +02 44 16.45 .33733 1.3150 149.6 21.5 .808 88 2026 08 15 12 23 20 36.505 +02 44 42.14 .33723 1.3149 149.7 21.5 .815 88 2026 08 15 13 23 20 39.262 +02 45 07.79 .33714 1.3149 149.7 21.5 .821 88 2026 08 15 14 23 20 42.015 +02 45 33.40 .33704 1.3149 149.7 21.5 .828 87 2026 08 15 15 23 20 44.766 +02 45 58.99 .33694 1.3148 149.7 21.5 .835 87 2026 08 15 16 23 20 47.513 +02 46 24.54 .33685 1.3148 149.8 21.5 .842 87 2026 08 15 17 23 20 50.258 +02 46 50.06 .33675 1.3147 149.8 21.5 .849 87 2026 08 15 18 23 20 53.000 +02 47 15.54 .33665 1.3147 149.8 21.5 .855 87