IAA RAS IAA Minor Planet Database

2021 XW2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6332563991 ± 3.49e-03
Semi-major axis (a)2.2112801117 AU ± 2.13e-02
Inclination (i)6.63269665° ± 2.12e-02
Long. of Asc. Node (Ω)334.69782128° ± 1.84e-01
Arg. of Perihelion (ω)6.92015970° ± 2.32e-01
Mean Anomaly (M)92.75957048° ± 6.54e+00
Mean Motion (n)0.2997413344°/day ± 4.34e-03
Perihelion dist (q)0.81097283 AU ± 1.10e-02
Aphelion dist (Q)3.61158739 AU ± 3.57e-02
Orbital Period3.28825614 yr ± 4.76e-02
Physical Parameters
H (abs. magnitude)23.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.164″
Uncertainty4
Orbit TypeApollo
MOID0.094011 AU
Observations Used15
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-02
Last Observation Used2021-12-09
Observations (15)
Date Type RA Dec Mag Band Observatory
2021-12-02 05:05:52 C 00 40 08.25 +35 16 24.9 – V V00
2021-12-02 05:12:52 C 00 40 10.39 +35 16 24.0 – V V00
2021-12-02 05:19:52 C 00 40 12.51 +35 16 22.9 – V V00
2021-12-02 05:26:52 C 00 40 14.68 +35 16 21.5 – V V00
2021-12-02 06:56:58 C 00 40 42.25 +35 16 05.8 – V V06
2021-12-02 07:05:43 C 00 40 44.96 +35 16 04.2 – V V06
2021-12-03 01:35:11 C 00 46 27.40 +35 13 20.5 – V V06
2021-12-03 01:43:18 C 00 46 29.81 +35 13 19.5 – V V06
2021-12-03 01:47:21 C 00 46 30.94 +35 13 18.7 – V V06
2021-12-05 01:29:29 C 01 00 06.16 +35 02 40.1 – u H21
2021-12-05 01:41:10 C 01 00 09.21 +35 02 37.0 – u H21
2021-12-05 01:45:10 C 01 00 10.28 +35 02 36.0 – u H21
2021-12-09 02:29:21 C 01 23 54.61 +34 31 46.5 – V V06
2021-12-09 02:47:39 C 01 23 58.54 +34 31 40.3 – V V06
2021-12-09 03:05:58 C 01 24 02.46 +34 31 33.7 – V V06