2021 WB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5659539000
Semi-major axis (a)2.3277267000 AU
Inclination (i)19.74572000°
Long. of Asc. Node (Ω)64.50983000°
Arg. of Perihelion (ω)2.81562000°
Mean Anomaly (M)45.28291000°
Mean Motion (n)0.2775275500°/day
Perihelion dist (q)1.01034070 AU
Aphelion dist (Q)3.64511270 AU
Orbital Period3.55138680 yr
Physical Parameters
H (abs. magnitude)22.65
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.690″
Uncertainty7
Orbit TypeAmor
MOID0.022967 AU
Observations Used19
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-05
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-11-17 11:28:22 C 09 26 22.28 +12 25 57.0 V G96
2021-11-17 11:35:50 C 09 26 24.86 +12 26 38.9 V G96
2021-11-17 11:43:20 C 09 26 27.46 +12 27 21.0 V G96
2021-11-17 11:50:50 C 09 26 30.05 +12 28 03.3 V G96
2021-11-17 12:36:43 C 09 26 45.95 +12 32 22.2 V G96
2021-11-17 12:37:34 C 09 26 46.25 +12 32 27.0 V G96
2021-11-17 12:38:25 C 09 26 46.55 +12 32 31.7 V G96
2021-11-17 12:39:16 C 09 26 46.83 +12 32 36.4 V G96
2021-11-18 09:52:39 C 09 34 26.28 +14 30 07.1 V G96
2021-11-18 09:54:23 C 09 34 26.84 +14 30 16.1 V G96
2021-11-18 09:56:06 C 09 34 27.47 +14 30 26.2 V G96
2021-11-18 09:57:49 C 09 34 28.02 +14 30 35.8 V G96
2021-11-29 09:37:15 C 10 59 11.35 +32 46 58.8 o 291
2021-11-29 09:47:53 C 10 59 14.21 +32 47 31.1 o 291
2021-11-29 09:58:41 C 10 59 17.11 +32 48 02.8 o 291
2021-12-05 12:13:12 C 11 36 03.95 +38 35 31.5 V I52
2021-12-05 12:19:50 C 11 36 05.35 +38 35 43.9 V I52
2021-12-05 12:26:28 C 11 36 06.79 +38 35 56.7 V I52
2021-12-05 12:33:05 C 11 36 08.25 +38 36 10.1 V I52