IAA RAS IAA Minor Planet Database

2021 XD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2419685000
Semi-major axis (a)1.1842285000 AU
Inclination (i)7.14280000°
Long. of Asc. Node (Ω)76.22623000°
Arg. of Perihelion (ω)61.14970000°
Mean Anomaly (M)344.82831000°
Mean Motion (n)0.7648051500°/day
Perihelion dist (q)0.89768250 AU
Aphelion dist (Q)1.47077450 AU
Orbital Period1.28870430 yr
Physical Parameters
H (abs. magnitude)27.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.780″
Uncertainty6
Orbit TypeApollo
MOID0.007117 AU
Observations Used41
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-12-13
Observations (50)
Date Type RA Dec Mag Band Observatory
2021-12-03 06:56:44 C 04 06 51.60 -01 03 12.1 – V G96
2021-12-03 07:04:14 C 04 06 49.92 -01 02 47.2 – V G96
2021-12-03 07:19:11 C 04 06 46.56 -01 01 57.5 – V G96
2021-12-03 09:38:42 C 04 06 15.90 -00 54 04.5 – V I52
2021-12-03 09:43:07 C 04 06 15.02 -00 53 49.0 – V I52
2021-12-03 09:47:32 C 04 06 14.03 -00 53 33.9 – V I52
2021-12-04 03:55:22 C 04 03 10.74 +00 14 15.3 – u H21
2021-12-04 04:04:29 C 04 03 08.38 +00 14 52.7 – u H21
2021-12-04 04:08:47 C 04 03 07.27 +00 15 10.7 – u H21
2021-12-04 05:30:38 C 04 02 50.55 +00 21 08.8 – X 858
2021-12-04 05:38:41 C 04 02 48.37 +00 21 43.0 – X 858
2021-12-04 05:46:46 C 04 02 46.21 +00 22 17.2 – X 858
2021-12-04 05:57:30 C 04 02 44.58 +00 23 12.8 – V I52
2021-12-04 05:58:54 C 04 02 44.25 +00 23 18.6 – V I52
2021-12-04 06:00:19 C 04 02 43.87 +00 23 24.9 – V I52
2021-12-04 06:01:44 C 04 02 43.47 +00 23 30.9 – V I52
2021-12-04 08:42:17 C 04 01 59.10 +00 34 52.0 – V H01
2021-12-04 08:47:11 C 04 01 57.80 +00 35 13.2 – V H01
2021-12-04 09:12:53 C 04 01 51.06 +00 37 05.2 – V H01
2021-12-04 09:19:08 C 04 01 49.44 +00 37 32.5 – V H01
2021-12-05 04:27:33 C 03 57 43.37 +02 11 01.8 – V I52
2021-12-05 04:28:06 C 03 57 43.22 +02 11 04.9 – V I52
2021-12-05 04:28:38 C 03 57 43.03 +02 11 07.0 – V I52
2021-12-06 09:21:57 C 03 48 28.19 +05 19 12.1 – o 691
2021-12-06 09:27:41 C 03 48 25.76 +05 19 55.8 – o 691
2021-12-06 09:33:24 C 03 48 23.30 +05 20 39.8 – o 691
2021-12-07 19:03:50 C 03 33 06.06 +10 52 38.6 – V 033
2021-12-07 19:04:14 C 03 33 05.77 +10 52 44.0 – V 033
2021-12-07 19:04:38 C 03 33 05.50 +10 52 49.3 – V 033
2021-12-07 19:05:30 C 03 33 04.92 +10 53 00.4 – V 033
2021-12-08 05:18:49 C 03 26 08.30 +13 15 59.4 – V 703
2021-12-08 05:43:21 C 03 25 47.28 +13 22 04.5 – V 703
2021-12-08 06:38:54 C 03 24 58.75 +13 36 01.2 – V I52
2021-12-08 06:39:09 C 03 24 58.53 +13 36 05.1 – V I52
2021-12-08 06:39:23 C 03 24 58.32 +13 36 08.2 – V I52
2021-12-08 06:39:37 C 03 24 58.09 +13 36 12.5 – V I52
2021-12-09 05:17:21 C 03 03 47.24 +20 35 06.9 – V G96
2021-12-09 05:41:42 C 03 03 14.01 +20 44 09.7 – V G96
2021-12-10 21:22:48 C 01 39 19.10 +40 47 23.4 – V Z99
2021-12-10 21:24:20 C 01 39 13.31 +40 48 19.5 – V Z99
2021-12-10 21:25:53 C 01 39 07.37 +40 49 15.8 – V Z99
2021-12-10 22:09:55 C 01 36 18.65 +41 16 20.4 – V Z80
2021-12-10 22:21:04 C 01 35 35.46 +41 23 01.0 – V Z80
2021-12-10 22:32:21 C 01 34 51.61 +41 29 46.7 – V Z80
2021-12-12 01:51:15 C 23 05 50.60 +55 00 52.0 – V I52
2021-12-12 01:51:43 C 23 05 47.18 +55 00 58.4 – V I52
2021-12-12 01:52:10 C 23 05 43.72 +55 01 04.2 – V I52
2021-12-13 02:03:31 C 20 28 47.45 +53 43 50.1 – V I52
2021-12-13 02:05:10 C 20 28 38.69 +53 43 21.3 – V I52
2021-12-13 02:06:50 C 20 28 29.98 +53 42 51.8 – V I52