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
2018-08-20 14:44:41 S 03 05 36.000 -62 48 24.84 – V C57
2018-08-20 14:44:41 s 1 -210497.55 9 +85364.796 0.634 – C57
2018-08-20 15:14:41 S 03 05 31.186 -62 48 39.89 – V C57
2018-08-20 15:14:41 s 1 -209877.70 0 +83206.384 0.528 – C57
2018-08-20 15:44:41 S 03 05 26.518 -62 48 55.12 – V C57
2018-08-20 15:44:41 s 1 -209240.71 8 +81041.238 0.399 – C57
2018-08-20 16:14:41 S 03 05 21.588 -62 49 07.86 – V C57
2018-08-20 16:14:41 s 1 -208586.40 8 +78869.435 0.113 – C57
2018-08-20 16:44:41 S 03 05 16.502 -62 49 19.70 – V C57
2018-08-20 16:44:41 s 1 -207914.56 1 +76691.055 0.534 – C57
2018-08-20 17:14:41 S 03 05 11.652 -62 49 37.24 – V C57
2018-08-20 17:14:41 s 1 -207224.96 6 +74506.183 0.521 – C57
2018-08-20 17:44:41 S 03 05 06.902 -62 49 49.80 – V C57
2018-08-20 17:44:41 s 1 -206517.40 7 +72314.905 0.932 – C57
2018-08-20 18:14:41 S 03 05 02.030 -62 50 03.12 – V C57
2018-08-20 18:14:41 s 1 -205791.66 4 +70117.314 0.623 – C57
2018-08-20 19:44:41 S 03 04 47.129 -62 50 45.67 – V C57
2018-08-20 19:44:41 s 1 -203503.08 3 +63487.632 0.879 – C57
2018-08-20 20:14:41 S 03 04 42.662 -62 51 00.22 – V C57
2018-08-20 20:14:41 s 1 -202702.33 5 +61265.783 0.179 – C57
2018-08-20 20:44:41 S 03 04 37.764 -62 51 12.46 – V C57
2018-08-20 20:44:41 s 1 -201882.24 8 +59038.140 0.987 – C57
2018-08-20 21:14:41 S 03 04 32.981 -62 51 26.10 – V C57
2018-08-20 21:14:41 s 1 -201042.58 0 +56804.823 0.142 – C57
2018-08-20 21:44:41 S 03 04 28.212 -62 51 42.08 – V C57
2018-08-20 21:44:41 s 1 -200183.08 2 +54565.955 0.475 – C57
2018-08-20 22:14:41 S 03 04 23.246 -62 51 56.63 – V C57
2018-08-20 22:14:41 s 1 -199300.43 7 +52319.510 0.039 – C57
2018-08-20 22:44:41 S 03 04 18.468 -62 52 09.08 – V C57
2018-08-20 22:44:41 s 1 -198400.49 2 +50069.912 0.199 – C57
2018-08-20 23:14:41 S 03 04 13.896 -62 52 23.63 – V C57
2018-08-20 23:14:41 s 1 -197479.95 0 +47815.167 0.015 – C57
2018-08-20 23:44:41 S 03 04 09.218 -62 52 38.14 – V C57
2018-08-20 23:44:41 s 1 -196538.54 4 +45555.420 0.306 – C57
2018-08-21 00:14:41 S 03 04 04.284 -62 52 51.82 – V C57
2018-08-21 00:14:41 s 1 -195576.00 6 +43290.824 0.887 – C57
2018-08-21 00:44:41 S 03 03 58.726 -62 53 07.44 – V C57
2018-08-21 00:44:41 s 1 -194592.06 2 +41021.540 0.57 – C57
2018-08-21 01:14:41 S 03 03 54.470 -62 53 20.04 – V C57
2018-08-21 01:14:41 s 1 -193586.43 2 +38747.732 0.162 – C57
2018-08-21 01:44:41 S 03 03 50.016 -62 53 35.27 – V C57
2018-08-21 01:44:41 s 1 -192558.83 3 +36469.576 0.465 – C57
2018-08-21 02:14:41 S 03 03 45.070 -62 53 47.15 – V C57
2018-08-21 02:14:41 s 1 -191508.97 6 +34187.252 0.278 – C57
2018-08-21 02:44:41 S 03 03 40.027 -62 54 04.97 – V C57
2018-08-21 02:44:41 s 1 -190436.56 8 +31900.949 0.398 – C57
2018-08-21 03:44:41 S 03 03 30.754 -62 54 34.09 – V C57
2018-08-21 03:44:41 s 1 -188222.90 2 +27317.208 0.71 – C57
2018-08-21 04:14:41 S 03 03 26.210 -62 54 47.20 – V C57
2018-08-21 04:14:41 s 1 -187081.03 1 +25020.190 0.47 – C57