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
2018-09-14 13:14:41 s 1 -152695.33 0 +339103.00 9610.0 – C57
2018-09-14 13:44:41 S 00 38 45.554 -62 02 01.97 – V C57
2018-09-14 13:44:41 s 1 -153572.51 8 +338349.49 5970.0 – C57
2018-09-14 14:14:41 S 00 38 39.041 -62 01 34.57 – V C57
2018-09-14 14:14:41 s 1 -154445.88 4 +337587.57 3460.0 – C57
2018-09-14 15:44:41 S 00 38 18.461 -62 00 02.70 – V C57
2018-09-14 15:44:41 s 1 -157042.76 3 +335251.45 980.0 – C57
2018-09-14 16:14:41 S 00 38 12.077 -61 59 33.18 – V C57
2018-09-14 16:14:41 s 1 -157900.54 8 +334455.95 1250.0 – C57
2018-09-14 16:44:41 S 00 38 04.704 -61 59 02.26 – V C57
2018-09-14 16:44:41 s 1 -158754.36 3 +333652.05 1770.0 – C57
2018-09-14 17:14:41 S 00 37 58.169 -61 58 32.34 – V C57
2018-09-14 17:14:41 s 1 -159604.17 6 +332839.76 2370.0 – C57
2018-09-14 17:44:41 S 00 37 51.566 -61 58 01.60 – V C57
2018-09-14 17:44:41 s 1 -160449.95 7 +332019.08 2860.0 – C57
2018-09-14 18:14:41 S 00 37 44.148 -61 57 30.60 – V C57
2018-09-14 18:14:41 s 1 -161291.67 4 +331190.00 3060.0 – C57
2018-09-14 18:44:41 S 00 37 37.735 -61 57 00.14 – V C57
2018-09-14 18:44:41 s 1 -162129.29 7 +330352.53 2790.0 – C57
2018-09-14 19:14:41 S 00 37 31.284 -61 56 33.61 – V C57
2018-09-14 19:14:41 s 1 -162962.79 4 +329506.67 1870.0 – C57
2018-09-14 19:44:41 S 00 37 24.576 -61 56 01.46 – V C57
2018-09-14 19:44:41 s 1 -163792.13 4 +328652.41 110.0 – C57
2018-09-14 20:14:41 S 00 37 17.950 -61 55 28.49 – V C57
2018-09-14 20:14:41 s 1 -164617.28 4 +327789.76 7340.0 – C57
2018-09-14 20:44:41 S 00 37 11.230 -61 54 58.97 – V C57
2018-09-14 20:44:41 s 1 -165438.21 4 +326918.71 3350.0 – C57
2018-09-14 21:14:41 S 00 37 04.428 -61 54 30.20 – V C57
2018-09-14 21:14:41 s 1 -166254.88 9 +326039.27 7970.0 – C57
2018-09-14 21:44:41 S 00 36 57.667 -61 53 57.66 – V C57
2018-09-14 21:44:41 s 1 -167067.27 9 +325151.43 1000.0 – C57
2018-09-14 22:14:41 S 00 36 51.101 -61 53 28.32 – V C57
2018-09-14 22:14:41 s 1 -167875.35 0 +324255.20 2270.0 – C57
2018-09-14 22:44:41 S 00 36 44.107 -61 52 56.42 – V C57
2018-09-14 22:44:41 s 1 -168679.07 0 +323350.58 1570.0 – C57
2018-09-14 23:14:41 S 00 36 37.608 -61 52 26.80 – V C57
2018-09-14 23:14:41 s 1 -169478.40 5 +322437.55 8710.0 – C57
2018-09-14 23:44:41 S 00 36 30.698 -61 51 57.17 – V C57
2018-09-14 23:44:41 s 1 -170273.32 2 +321516.13 3510.0 – C57
2018-09-15 00:14:41 S 00 36 24.041 -61 51 24.30 – V C57
2018-09-15 00:14:41 s 1 -171063.78 8 +320586.32 5770.0 – C57
2018-09-15 00:44:41 S 00 36 17.791 -61 50 55.03 – V C57
2018-09-15 00:44:41 s 1 -171849.76 8 +319648.10 5290.0 – C57
2018-09-15 01:14:41 S 00 36 11.378 -61 50 25.33 – V C57
2018-09-15 01:14:41 s 1 -172631.22 9 +318701.49 1880.0 – C57
2018-09-15 01:44:41 S 00 36 04.339 -61 49 53.15 – V C57
2018-09-15 01:44:41 s 1 -173408.13 5 +317746.47 5340.0 – C57
2018-09-15 02:44:41 S 00 35 50.990 -61 48 54.22 – V C57
2018-09-15 02:44:41 s 1 -174948.14 8 +315811.23 2060.0 – C57
2018-09-15 03:14:41 S 00 35 44.390 -61 48 19.22 – V C57