IAA RAS IAA Minor Planet Database

137062 (1998 WM)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3153271265 ± 2.06e-08
Semi-major axis (a)1.2245884699 AU ± 6.45e-10
Inclination (i)22.51507649° ± 2.94e-06
Long. of Asc. Node (Ω)45.62087748° ± 3.48e-06
Arg. of Perihelion (ω)172.58220265° ± 5.40e-06
Mean Anomaly (M)201.77357274° ± 6.50e-06
Mean Motion (n)0.7273225072°/day ± 5.75e-10
Perihelion dist (q)0.83844251 AU ± 2.52e-08
Aphelion dist (Q)1.61073443 AU ± 2.52e-08
Orbital Period1.35514338 yr ± 1.07e-09
Physical Parameters
H (abs. magnitude)16.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.591″
Uncertainty0
Orbit TypeApollo
MOID0.169083 AU
Observations Used4601
Gaia Obs Used10
Oppositions7
Arc Total1987-2015
First Observation Used1987-10-16
Last Observation Used2026-01-11
Observations (7442)
Date Type RA Dec Mag Band Observatory
2018-08-29 07:44:41 s 1 -78377.640 0 +371499.23 3620.0 – C57
2018-08-29 08:14:41 S 02 18 44.964 -64 23 37.28 – V C57
2018-08-29 08:14:41 s 1 -79469.520 0 +371471.80 570.0 – C57
2018-08-29 08:44:41 S 02 18 37.514 -64 23 40.67 – V C57
2018-08-29 08:44:41 s 1 -80559.656 0 +371435.59 3580.0 – C57
2018-08-29 09:14:41 S 02 18 29.474 -64 23 43.51 – V C57
2018-08-29 09:14:41 s 1 -81648.024 0 +371390.60 2820.0 – C57
2018-08-29 09:44:41 S 02 18 22.344 -64 23 43.73 – V C57
2018-08-29 09:44:41 s 1 -82734.602 0 +371336.86 8430.0 – C57
2018-08-29 10:14:41 S 02 18 14.503 -64 23 45.42 – V C57
2018-08-29 10:14:41 s 1 -83819.365 0 +371274.36 570.0 – C57
2018-08-29 10:44:41 S 02 18 06.931 -64 23 49.27 – V C57
2018-08-29 10:44:41 s 1 -84902.293 0 +371203.13 9400.0 – C57
2018-08-29 11:14:41 S 02 17 59.270 -64 23 48.91 – V C57
2018-08-29 11:14:41 s 1 -85983.360 0 +371123.18 5070.0 – C57
2018-08-29 11:44:41 S 02 17 51.156 -64 23 52.94 – V C57
2018-08-29 11:44:41 s 1 -87062.544 0 +371034.51 7730.0 – C57
2018-08-29 12:14:41 S 02 17 43.735 -64 23 54.02 – V C57
2018-08-29 12:14:41 s 1 -88139.822 0 +370937.13 7540.0 – C57
2018-08-29 12:44:41 S 02 17 36.041 -64 23 55.50 – V C57
2018-08-29 12:44:41 s 1 -89215.172 0 +370831.06 4640.0 – C57
2018-08-29 13:14:41 S 02 17 28.500 -64 23 58.85 – V C57
2018-08-29 13:14:41 s 1 -90288.569 0 +370716.31 9200.0 – C57
2018-08-29 13:44:41 S 02 17 20.748 -64 24 00.50 – V C57
2018-08-29 13:44:41 s 1 -91359.991 0 +370592.89 1350.0 – C57
2018-08-29 14:14:41 S 02 17 13.111 -64 24 01.55 – V C57
2018-08-29 14:14:41 s 1 -92429.416 0 +370460.81 1260.0 – C57
2018-08-29 14:44:41 S 02 17 05.681 -64 24 03.53 – V C57
2018-08-29 14:44:41 s 1 -93496.819 0 +370320.09 9080.0 – C57
2018-08-29 15:14:41 S 02 16 57.746 -64 24 04.46 – V C57
2018-08-29 15:14:41 s 1 -94562.179 0 +370170.72 4950.0 – C57
2018-08-29 15:44:41 S 02 16 50.573 -64 24 05.62 – V C57
2018-08-29 15:44:41 s 1 -95625.471 0 +370012.72 9030.0 – C57
2018-08-29 16:14:41 S 02 16 42.454 -64 24 06.34 – V C57
2018-08-29 16:14:41 s 1 -96686.674 0 +369846.10 1470.0 – C57
2018-08-29 16:44:41 S 02 16 34.798 -64 24 08.32 – V C57
2018-08-29 16:44:41 s 1 -97745.763 0 +369670.87 2420.0 – C57
2018-08-29 17:14:41 S 02 16 27.170 -64 24 10.87 – V C57
2018-08-29 17:14:41 s 1 -98802.717 0 +369487.04 2020.0 – C57
2018-08-29 17:44:41 S 02 16 19.903 -64 24 12.20 – V C57
2018-08-29 17:44:41 s 1 -99857.512 0 +369294.63 430.0 – C57
2018-08-29 18:14:41 S 02 16 12.269 -64 24 12.71 – V C57
2018-08-29 18:14:41 s 1 -100910.12 5 +369093.63 7800.0 – C57
2018-08-29 18:44:41 S 02 16 04.721 -64 24 15.19 – V C57
2018-08-29 18:44:41 s 1 -101960.53 3 +368884.06 4270.0 – C57
2018-08-29 19:14:41 S 02 15 56.662 -64 24 15.34 – V C57
2018-08-29 19:14:41 s 1 -103008.71 3 +368665.93 0.0 – C57
2018-08-29 19:44:41 S 02 15 49.294 -64 24 17.14 – V C57
2018-08-29 19:44:41 s 1 -104054.64 2 +368439.25 5130.0 – C57
2018-08-29 20:14:41 S 02 15 40.706 -64 24 16.63 – V C57