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
2018-09-11 17:44:41 s 1 -10173.067 0 +361831.74 1910.0 – C57
2018-09-11 18:14:41 S 00 55 10.819 -63 03 59.33 – V C57
2018-09-11 18:14:41 s 1 -11329.485 0 +362266.18 2950.0 – C57
2018-09-11 18:44:41 S 00 55 02.911 -63 03 34.56 – V C57
2018-09-11 18:44:41 s 1 -12485.550 0 +362691.03 630.0 – C57
2018-09-11 19:14:41 S 00 54 55.574 -63 03 10.37 – V C57
2018-09-11 19:14:41 s 1 -13641.232 0 +363106.30 5140.0 – C57
2018-09-11 19:44:41 S 00 54 47.074 -63 02 42.94 – V C57
2018-09-11 19:44:41 s 1 -14796.503 0 +363512.02 6680.0 – C57
2018-09-11 20:14:41 S 00 54 39.310 -63 02 19.93 – V C57
2018-09-11 20:14:41 s 1 -15951.333 0 +363908.21 5450.0 – C57
2018-09-11 20:44:41 S 00 54 31.853 -63 01 55.24 – V C57
2018-09-11 20:44:41 s 1 -17105.694 0 +364294.88 1650.0 – C57
2018-09-11 21:14:41 S 00 54 24.372 -63 01 29.82 – V C57
2018-09-11 21:14:41 s 1 -18259.558 0 +364672.04 5470.0 – C57
2018-09-11 21:44:41 S 00 54 16.018 -63 01 03.43 – V C57
2018-09-11 21:44:41 s 1 -19412.895 0 +365039.73 7100.0 – C57
2018-09-11 22:14:41 S 00 54 09.257 -63 00 43.92 – V C57
2018-09-11 22:14:41 s 1 -20565.679 0 +365397.95 6730.0 – C57
2018-09-11 22:44:41 S 00 54 00.900 -63 00 15.34 – V C57
2018-09-11 22:44:41 s 1 -21717.880 0 +365746.72 4570.0 – C57
2018-09-11 23:14:41 S 00 53 53.330 -62 59 50.10 – V C57
2018-09-11 23:14:41 s 1 -22869.471 0 +366086.06 790.0 – C57
2018-09-11 23:44:41 S 00 53 45.410 -62 59 25.55 – V C57
2018-09-11 23:44:41 s 1 -24020.425 0 +366416.00 5580.0 – C57
2018-09-12 00:14:41 S 00 53 37.783 -62 58 59.52 – V C57
2018-09-12 00:14:41 s 1 -25170.713 0 +366736.53 9140.0 – C57
2018-09-12 00:44:41 S 00 53 30.180 -62 58 35.51 – V C57
2018-09-12 00:44:41 s 1 -26320.309 0 +367047.69 1650.0 – C57
2018-09-12 01:14:41 S 00 53 22.570 -62 58 07.43 – V C57
2018-09-12 01:14:41 s 1 -27469.184 0 +367349.48 3300.0 – C57
2018-09-12 01:44:41 S 00 53 15.168 -62 57 44.57 – V C57
2018-09-12 01:44:41 s 1 -28617.312 0 +367641.93 4270.0 – C57
2018-09-12 02:14:41 S 00 53 07.541 -62 57 19.80 – V C57
2018-09-12 02:14:41 s 1 -29764.666 0 +367925.05 4740.0 – C57
2018-09-12 04:14:41 S 00 52 36.626 -62 55 36.01 – V C57
2018-09-12 04:14:41 s 1 -34345.805 0 +368964.56 5310.0 – C57
2018-09-12 04:44:41 S 00 52 29.318 -62 55 11.71 – V C57
2018-09-12 04:44:41 s 1 -35488.888 0 +369201.27 6020.0 – C57
2018-09-12 05:14:41 S 00 52 22.289 -62 54 46.12 – V C57
2018-09-12 05:14:41 s 1 -36631.037 0 +369428.74 7320.0 – C57
2018-09-12 05:44:41 S 00 52 12.871 -62 54 17.14 – V C57
2018-09-12 05:44:41 s 1 -37772.226 0 +369647.00 9380.0 – C57
2018-09-12 06:14:41 S 00 52 06.158 -62 53 55.07 – V C57
2018-09-12 06:14:41 s 1 -38912.430 0 +369856.05 2370.0 – C57
2018-09-12 06:44:41 S 00 51 58.421 -62 53 29.36 – V C57
2018-09-12 06:44:41 s 1 -40051.622 0 +370055.91 6490.0 – C57
2018-09-12 07:14:41 S 00 51 51.022 -62 53 04.02 – V C57
2018-09-12 07:14:41 s 1 -41189.776 0 +370246.59 1890.0 – C57
2018-09-12 07:44:41 S 00 51 43.116 -62 52 38.03 – V C57