IAA RAS IAA Minor Planet Database

2021 XW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2988519000
Semi-major axis (a)1.6056690000 AU
Inclination (i)34.33800000°
Long. of Asc. Node (Ω)69.39084000°
Arg. of Perihelion (ω)15.88370000°
Mean Anomaly (M)336.71663000°
Mean Motion (n)0.4844177500°/day
Perihelion dist (q)1.12581180 AU
Aphelion dist (Q)2.08552620 AU
Orbital Period2.03462340 yr
Physical Parameters
H (abs. magnitude)23.83
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.920″
Uncertainty8
Orbit TypeAmor
MOID0.148096 AU
Observations Used20
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-12-08
Observations (21)
Date Type RA Dec Mag Band Observatory
2021-12-01 07:18:51 C 06 35 03.28 +39 19 10.8 – V G96
2021-12-01 07:26:27 C 06 35 02.90 +39 20 21.1 – V G96
2021-12-01 07:34:02 C 06 35 02.64 +39 21 30.6 – V G96
2021-12-01 07:41:38 C 06 35 02.19 +39 22 42.1 – V G96
2021-12-01 10:28:29 C 06 34 54.23 +39 48 22.4 – V I52
2021-12-01 10:33:38 C 06 34 54.06 +39 49 09.1 – V I52
2021-12-02 05:47:47 C 06 34 18.95 +42 46 00.0 – V I52
2021-12-02 05:49:45 C 06 34 18.89 +42 46 18.1 – V I52
2021-12-02 05:51:43 C 06 34 18.77 +42 46 36.0 – V I52
2021-12-02 05:53:40 C 06 34 18.62 +42 46 54.4 – V I52
2021-12-03 02:29:45 C 06 33 23.69 +45 54 37.3 – V 033
2021-12-03 02:33:25 C 06 33 23.54 +45 55 10.6 – V 033
2021-12-03 02:35:14 C 06 33 23.33 +45 55 27.6 – V 033
2021-12-03 02:37:04 C 06 33 23.24 +45 55 44.1 – V 033
2021-12-03 02:38:58 C 06 33 23.12 +45 56 00.9 – V 033
2021-12-03 07:58:51 C 06 33 11.13 +46 44 28.3 – V I52
2021-12-03 08:03:11 C 06 33 10.87 +46 45 06.9 – V I52
2021-12-03 08:05:21 C 06 33 10.66 +46 45 26.4 – V I52
2021-12-08 10:04:37 C 06 23 33.157 +63 33 20.83 – V I52
2021-12-08 10:22:12 C 06 23 30.623 +63 35 27.86 – V I52
2021-12-08 10:43:09 C 06 23 27.511 +63 37 59.51 – V I52