2021 XN2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4538287204 ± 3.35e-05
Semi-major axis (a)1.7920741631 AU ± 1.10e-04
Inclination (i)6.74471868° ± 4.12e-04
Long. of Asc. Node (Ω)253.45050371° ± 1.92e-06
Arg. of Perihelion (ω)196.94198936° ± 9.69e-05
Mean Anomaly (M)228.38591080° ± 5.39e-02
Mean Motion (n)0.4108452861°/day ± 3.77e-05
Perihelion dist (q)0.97877944 AU ± 8.47e-05
Aphelion dist (Q)2.60536889 AU ± 1.70e-04
Orbital Period2.39902055 yr ± 2.20e-04
Physical Parameters
H (abs. magnitude)27.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.261″
Uncertainty2
Orbit TypeApollo
MOID0.004918 AU
Observations Used59
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-04
Last Observation Used2021-12-07
Observations (60)
Date Type RA Dec Mag Band Observatory
2021-12-04 06:10:57 C 01 09 48.39 +25 57 02.7 V 703
2021-12-04 06:18:30 C 01 09 54.42 +25 55 54.7 V 703
2021-12-04 06:26:04 C 01 10 00.63 +25 54 46.5 V 703
2021-12-04 06:33:37 C 01 10 06.70 +25 53 37.1 V 703
2021-12-04 07:19:53 C 01 10 44.81 +25 46 04.3 V H01
2021-12-04 07:26:09 C 01 10 50.24 +25 45 05.2 V H01
2021-12-04 07:39:08 C 01 11 01.59 +25 43 02.1 V H01
2021-12-04 07:52:26 C 01 11 13.39 +25 40 54.8 V H01
2021-12-04 08:50:35 C 01 12 06.65 +25 31 54.1 V G96
2021-12-04 08:51:38 C 01 12 07.64 +25 31 43.6 V G96
2021-12-04 17:53:38 C 01 22 41.84 +23 59 31.8 V J95
2021-12-04 17:57:18 C 01 22 45.83 +23 58 51.9 V J95
2021-12-04 18:00:23 C 01 22 49.14 +23 58 18.5 V J95
2021-12-04 18:08:44 C 01 22 13.18 +23 59 35.9 V N51
2021-12-04 18:10:11 C 01 22 59.68 +23 56 31.2 V J95
2021-12-04 18:17:31 C 01 22 22.45 +23 57 48.8 V N51
2021-12-04 23:30:36 C 01 29 22.14 +23 04 56.1 X Y00
2021-12-04 23:37:53 C 01 29 30.36 +23 03 21.0 X Y00
2021-12-04 23:45:03 C 01 29 38.34 +23 01 47.0 X Y00
2021-12-05 01:10:24 C 01 31 48.51 +22 31 14.2 u H21
2021-12-05 01:12:55 C 01 31 51.57 +22 30 40.1 u H21
2021-12-05 01:15:27 C 01 31 54.64 +22 30 06.0 u H21
2021-12-05 04:40:00 C 01 36 31.42 +21 41 54.8 V 654
2021-12-05 05:14:08 C 01 37 15.74 +21 33 08.0 V 654
2021-12-05 05:49:36 C 01 38 02.60 +21 23 46.4 V 654
2021-12-05 16:44:25 C 01 57 35.32 +17 55 59.9 V 033
2021-12-05 16:44:49 C 01 57 36.08 +17 55 51.3 V 033
2021-12-05 16:45:14 C 01 57 36.83 +17 55 42.6 V 033
2021-12-05 18:03:26 C 02 00 13.28 +17 28 46.0 V B49
2021-12-05 18:06:57 C 02 00 19.90 +17 27 28.2 V B49
2021-12-05 18:28:33 C 02 00 54.55 +17 18 40.9 V 203
2021-12-05 18:41:50 C 02 01 19.61 +17 13 36.1 V 203
2021-12-05 18:55:34 C 02 01 45.61 +17 08 18.6 V 203
2021-12-05 21:37:35 C 02 07 01.61 +16 01 57.0 V 204
2021-12-05 21:44:10 C 02 07 14.93 +15 59 06.0 V 204
2021-12-05 21:51:45 C 02 07 30.35 +15 55 48.4 V 204
2021-12-05 23:38:52 C 02 11 23.95 +15 06 36.1 V Z80
2021-12-05 23:50:41 C 02 11 49.72 +15 01 05.1 V Z80
2021-12-06 02:08:07 C 02 18 21.11 +14 00 06.0 V I52
2021-12-06 02:08:21 C 02 18 21.65 +13 59 59.3 V I52
2021-12-06 02:08:36 C 02 18 22.19 +13 59 52.4 V I52
2021-12-06 02:08:50 C 02 18 22.71 +13 59 45.5 V I52
2021-12-06 20:02:21 C 03 14 11.23 +01 59 06.2 V 204
2021-12-06 20:06:39 C 03 14 27.02 +01 55 23.7 V 204
2021-12-06 20:10:57 C 03 14 42.80 +01 51 41.4 V 204
2021-12-06 21:17:18 C 03 18 57.45 +00 52 02.5 V Z80
2021-12-06 21:23:41 C 03 19 21.74 +00 46 20.7 V Z80
2021-12-06 21:29:48 C 03 19 45.03 +00 40 52.5 V Z80
2021-12-06 23:45:21 C 03 28 36.87 -01 23 36.3 V J95
2021-12-06 23:46:41 C 03 28 42.23 -01 24 51.3 V J95