IAA RAS IAA Minor Planet Database

2021 WB5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4016162000
Semi-major axis (a)1.7214176000 AU
Inclination (i)13.97226000°
Long. of Asc. Node (Ω)62.03440000°
Arg. of Perihelion (ω)338.99088000°
Mean Anomaly (M)283.70306000°
Mean Motion (n)0.4363899400°/day
Perihelion dist (q)1.03006840 AU
Aphelion dist (Q)2.41276680 AU
Orbital Period2.25854820 yr
Physical Parameters
H (abs. magnitude)25.73
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.820″
Uncertainty8
Orbit TypeAmor
MOID0.056508 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-12-01
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-11-28 03:38:25 C 02 31 42.09 +23 14 46.5 – V G96
2021-11-28 03:46:33 C 02 31 42.99 +23 16 06.2 – V G96
2021-11-28 03:54:40 C 02 31 43.87 +23 17 24.7 – V G96
2021-11-28 04:02:48 C 02 31 44.79 +23 18 43.2 – V G96
2021-11-28 06:20:50 C 02 31 59.77 +23 40 49.4 – V I52
2021-11-28 06:21:25 C 02 31 59.88 +23 40 55.6 – V I52
2021-11-28 06:22:36 C 02 32 00.02 +23 41 06.8 – V I52
2021-11-29 01:57:32 C 02 34 49.89 +26 42 11.4 – u H21
2021-11-29 02:01:33 C 02 34 50.34 +26 42 48.6 – u H21
2021-11-29 02:07:52 C 02 34 51.07 +26 43 44.9 – u H21
2021-12-01 01:58:06 C 02 41 37.04 +33 17 31.5 – u H21
2021-12-01 02:03:47 C 02 41 37.68 +33 18 14.8 – u H21
2021-12-01 04:31:53 C 02 41 57.37 +33 36 58.6 – V I52
2021-12-01 04:44:31 C 02 41 58.77 +33 38 33.7 – V I52
2021-12-01 05:19:32 C 02 42 03.51 +33 42 50.4 – V 654
2021-12-01 06:27:15 C 02 42 11.07 +33 51 11.8 – V 654
2021-12-01 07:34:47 C 02 42 18.73 +33 59 25.8 – V 654