"Pseudo-MPEC" for MSnM487
Created 2026 Sep 28 22:35:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
MSnM487* C2026 09 17.83822901 30 11.585+04 18 20.85 ~9KGb 22.08rWNEOCPO18
MSnM487 C2026 09 17.90460601 30 10.272+04 19 10.17 ~9KGb 22.68gWNEOCPO18
MSnM487 0C2026 09 21.42353401 29 01.629+05 03 09.75 ~9PE1 21.01GVNEOCPF51
MSnM487 0C2026 09 21.43491201 29 01.267+05 03 17.72 ~9PE1 21.65GVNEOCPF51
MSnM487 0C2026 09 21.44618001 29 00.952+05 03 26.34 ~9PE1 21.53GVNEOCPF51
MSnM487 0C2026 09 21.45753101 29 00.614+05 03 34.85 ~9PE1 21.66GVNEOCPF51
MSnM487 C2026 09 21.87253501 28 49.940+05 08 41.83 ~9MHF 22.04gWNEOCPO18
MSnM487 C2026 09 21.90631901 28 48.958+05 09 06.70 ~9MHF 21.63rWNEOCPO18
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.
(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: MSnM487
Perihelion 2026 Sep 23.716156 +/- 3.48 TT = 17:11:15.8 (JD 2461307.216156)
Epoch 2026 Sep 21.0 TT = JDT 2461304.5 Earth MOID: 0.5597 AutoNEOCP
M 359.371102990 +/- 0.8 (J2000 ecliptic)
n 0.231539392 +/- 0.00667 Peri. 351.847582 +/- 2.1
a 2.626552725 +/- 0.0504 Node 16.465420 +/- 0.06
e 0.40600945 +/- 0.00917 Incl. 9.110221 +/- 0.14
P 4.25676 H 21.17 G 0.15 U 9.4
q 1.560147490 +/- 0.008 Q 3.692957959 +/- 0.0946
From 8 observations 2026 Sept. 17-21; mean residual 0".16
Residuals in arcseconds: 260917 O18 .08- .09+ 260921 F51 .22- .22- 260921 O18 .03+ .19+ 260917 O18 .08+ .09- 260921 F51 .02+ .07- 260921 O18 .01+ .13- 260921 F51 .22+ .37+ 260921 F51 .02- .09- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 28 23 01 25 02.455 +06 37 02.93 .57458 1.5608 163.2 21.6 10.3 55 2026 09 29 00 01 25 00.834 +06 37 33.85 .57451 1.5608 163.3 21.6 10.4 55 2026 09 29 01 01 24 59.210 +06 38 04.76 .57445 1.5608 163.3 21.6 10.5 55 2026 09 29 02 01 24 57.584 +06 38 35.68 .57439 1.5609 163.3 21.6 10.6 55 2026 09 29 03 01 24 55.954 +06 39 06.59 .57433 1.5609 163.4 21.6 10.7 55 2026 09 29 04 01 24 54.322 +06 39 37.49 .57427 1.5609 163.4 21.6 10.8 55 2026 09 29 05 01 24 52.686 +06 40 08.39 .57421 1.5609 163.5 21.6 10.9 55 2026 09 29 06 01 24 51.048 +06 40 39.29 .57415 1.5609 163.5 21.6 10.9 55 2026 09 29 07 01 24 49.407 +06 41 10.18 .57409 1.5609 163.6 21.6 11.0 55 2026 09 29 08 01 24 47.762 +06 41 41.07 .57403 1.5609 163.6 21.6 11.1 55 2026 09 29 09 01 24 46.115 +06 42 11.96 .57397 1.5609 163.7 21.6 11.2 55 2026 09 29 10 01 24 44.466 +06 42 42.84 .57391 1.5609 163.7 21.6 11.3 55 2026 09 29 11 01 24 42.813 +06 43 13.72 .57385 1.5610 163.7 21.6 11.4 55 2026 09 29 12 01 24 41.157 +06 43 44.59 .57379 1.5610 163.8 21.6 11.5 54 2026 09 29 13 01 24 39.499 +06 44 15.46 .57374 1.5610 163.8 21.6 11.6 54 2026 09 29 14 01 24 37.837 +06 44 46.33 .57368 1.5610 163.9 21.6 11.7 54 2026 09 29 15 01 24 36.173 +06 45 17.19 .57362 1.5610 163.9 21.6 11.8 54 2026 09 29 16 01 24 34.506 +06 45 48.05 .57356 1.5610 164.0 21.6 11.9 54 2026 09 29 17 01 24 32.836 +06 46 18.90 .57351 1.5610 164.0 21.6 12.0 54 2026 09 29 18 01 24 31.163 +06 46 49.75 .57345 1.5610 164.1 21.6 12.1 54 2026 09 29 19 01 24 29.488 +06 47 20.60 .57339 1.5611 164.1 21.6 12.2 54 2026 09 29 20 01 24 27.809 +06 47 51.44 .57334 1.5611 164.2 21.6 12.3 54 2026 09 29 21 01 24 26.128 +06 48 22.28 .57328 1.5611 164.2 21.6 12.4 54 2026 09 29 22 01 24 24.444 +06 48 53.11 .57323 1.5611 164.2 21.6 12.5 54 2026 09 29 23 01 24 22.757 +06 49 23.94 .57317 1.5611 164.3 21.6 12.5 54 2026 09 30 00 01 24 21.068 +06 49 54.76 .57312 1.5611 164.3 21.6 12.6 54 2026 09 30 01 01 24 19.375 +06 50 25.58 .57306 1.5611 164.4 21.6 12.7 54 2026 09 30 02 01 24 17.680 +06 50 56.40 .57301 1.5611 164.4 21.6 12.8 54 2026 09 30 03 01 24 15.982 +06 51 27.21 .57296 1.5612 164.5 21.6 12.9 54 2026 09 30 04 01 24 14.281 +06 51 58.01 .57290 1.5612 164.5 21.6 13.0 54 2026 09 30 05 01 24 12.578 +06 52 28.82 .57285 1.5612 164.6 21.6 13.1 54 2026 09 30 06 01 24 10.872 +06 52 59.61 .57280 1.5612 164.6 21.6 13.2 54 2026 09 30 07 01 24 09.163 +06 53 30.41 .57274 1.5612 164.6 21.6 13.3 54 2026 09 30 08 01 24 07.451 +06 54 01.20 .57269 1.5612 164.7 21.6 13.4 54 2026 09 30 09 01 24 05.737 +06 54 31.98 .57264 1.5612 164.7 21.6 13.5 54 2026 09 30 10 01 24 04.019 +06 55 02.76 .57259 1.5613 164.8 21.6 13.6 54 2026 09 30 11 01 24 02.299 +06 55 33.54 .57254 1.5613 164.8 21.6 13.7 54 2026 09 30 12 01 24 00.577 +06 56 04.31 .57248 1.5613 164.9 21.6 13.8 54 2026 09 30 13 01 23 58.852 +06 56 35.07 .57243 1.5613 164.9 21.6 13.9 53 2026 09 30 14 01 23 57.124 +06 57 05.83 .57238 1.5613 165.0 21.6 14.0 53 2026 09 30 15 01 23 55.393 +06 57 36.59 .57233 1.5613 165.0 21.6 14.1 53 2026 09 30 16 01 23 53.660 +06 58 07.34 .57228 1.5613 165.1 21.6 14.2 53 2026 09 30 17 01 23 51.924 +06 58 38.09 .57223 1.5614 165.1 21.6 14.3 53 2026 09 30 18 01 23 50.185 +06 59 08.83 .57218 1.5614 165.1 21.6 14.4 53 2026 09 30 19 01 23 48.443 +06 59 39.57 .57214 1.5614 165.2 21.6 14.5 53 2026 09 30 20 01 23 46.699 +07 00 10.30 .57209 1.5614 165.2 21.5 14.6 53 2026 09 30 21 01 23 44.953 +07 00 41.03 .57204 1.5614 165.3 21.5 14.7 53 2026 09 30 22 01 23 43.204 +07 01 11.76 .57199 1.5614 165.3 21.5 14.9 53