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
2018-09-03 00:44:41 s 1 -228817.73 1 +153209.25 0.437 – C57
2018-09-03 01:14:41 S 01 50 38.866 -64 15 38.63 – V C57
2018-09-03 01:14:41 s 1 -228716.50 7 +151318.55 0.501 – C57
2018-09-03 01:44:41 S 01 50 31.562 -64 15 32.15 – V C57
2018-09-03 01:44:41 s 1 -228603.64 7 +149420.07 0.191 – C57
2018-09-03 02:14:41 S 01 50 24.235 -64 15 27.11 – V C57
2018-09-03 02:14:41 s 1 -228479.03 8 +147513.82 0.44 – C57
2018-09-03 02:44:41 S 01 50 17.539 -64 15 21.53 – V C57
2018-09-03 02:44:41 s 1 -228342.56 8 +145599.84 0.18 – C57
2018-09-03 03:14:41 S 01 50 10.147 -64 15 16.63 – V C57
2018-09-03 03:14:41 s 1 -228194.12 2 +143678.13 0.344 – C57
2018-09-03 03:44:41 S 01 50 02.952 -64 15 10.51 – V C57
2018-09-03 03:44:41 s 1 -228033.58 3 +141748.73 0.862 – C57
2018-09-03 04:14:41 S 01 49 55.908 -64 15 06.12 – V C57
2018-09-03 04:14:41 s 1 -227860.83 3 +139811.66 0.664 – C57
2018-09-03 05:14:41 S 01 49 41.558 -64 14 53.88 – V C57
2018-09-03 05:14:41 s 1 -227478.21 9 +135914.60 0.832 – C57
2018-09-03 05:44:41 S 01 49 34.404 -64 14 49.34 – V C57
2018-09-03 05:44:41 s 1 -227268.11 1 +133954.68 0.051 – C57
2018-09-03 06:14:41 S 01 49 27.672 -64 14 43.22 – V C57
2018-09-03 06:14:41 s 1 -227045.30 3 +131987.19 0.262 – C57
2018-09-03 07:44:41 S 01 49 06.079 -64 14 26.81 – V C57
2018-09-03 07:44:41 s 1 -226299.40 1 +126039.65 0.07 – C57
2018-09-03 08:14:41 S 01 48 59.314 -64 14 22.99 – V C57
2018-09-03 08:14:41 s 1 -226024.50 6 +124042.22 0.471 – C57
2018-09-03 09:44:41 S 01 48 37.968 -64 14 03.98 – V C57
2018-09-03 09:44:41 s 1 -225119.16 5 +118005.69 0.927 – C57
2018-09-03 10:44:41 S 01 48 23.947 -64 13 53.94 – V C57
2018-09-03 10:44:41 s 1 -224447.00 2 +113944.85 0.77 – C57
2018-09-03 11:14:41 S 01 48 16.702 -64 13 48.47 – V C57
2018-09-03 11:14:41 s 1 -224086.83 5 +111902.28 0.787 – C57
2018-09-03 11:44:41 S 01 48 09.526 -64 13 42.02 – V C57
2018-09-03 11:44:41 s 1 -223715.52 4 +109853.86 0.581 – C57
2018-09-03 12:14:41 S 01 48 02.563 -64 13 37.52 – V C57
2018-09-03 12:14:41 s 1 -223329.86 4 +107798.33 0.366 – C57
2018-09-03 12:44:41 S 01 47 55.387 -64 13 32.23 – V C57
2018-09-03 12:44:41 s 1 -222929.70 6 +105735.73 0.05 – C57
2018-09-03 13:14:41 S 01 47 48.631 -64 13 27.05 – V C57
2018-09-03 13:14:41 s 1 -222514.89 7 +103666.12 0.538 – C57
2018-09-03 13:44:41 S 01 47 41.597 -64 13 19.45 – V C57
2018-09-03 13:44:41 s 1 -222085.28 1 +101589.55 0.735 – C57
2018-09-03 14:14:41 S 01 47 33.650 -64 13 11.42 – V C57
2018-09-03 14:14:41 s 1 -221640.70 0 +99506.082 0.543 – C57
2018-09-03 14:44:41 S 01 47 27.588 -64 13 10.63 – V C57
2018-09-03 14:44:41 s 1 -221180.99 6 +97415.753 0.863 – C57
2018-09-03 15:14:41 S 01 47 20.292 -64 13 03.79 – V C57
2018-09-03 15:14:41 s 1 -220706.00 4 +95318.631 0.595 – C57
2018-09-03 15:44:41 S 01 47 13.481 -64 12 58.64 – V C57
2018-09-03 15:44:41 s 1 -220215.56 2 +93214.777 0.636 – C57
2018-09-03 16:14:41 S 01 47 06.353 -64 12 51.44 – V C57