2021 XK2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3038902707 ± 2.90e-04
Semi-major axis (a)1.4587259381 AU ± 6.39e-04
Inclination (i)11.54395899° ± 8.13e-03
Long. of Asc. Node (Ω)243.62660953° ± 1.25e-03
Arg. of Perihelion (ω)160.48984676° ± 8.42e-03
Mean Anomaly (M)103.61168206° ± 5.41e-01
Mean Motion (n)0.5594376850°/day ± 3.67e-04
Perihelion dist (q)1.01543332 AU ± 6.13e-04
Aphelion dist (Q)1.90201856 AU ± 9.34e-04
Orbital Period1.76181603 yr ± 1.16e-03
Physical Parameters
H (abs. magnitude)25.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.231″
Uncertainty3
Orbit TypeApollo
MOID0.038040 AU
Observations Used25
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-03
Last Observation Used2021-12-05
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-12-03 05:57:20 C 03 13 12.15 -03 08 28.8 V G96
2021-12-03 06:05:17 C 03 13 15.32 -03 09 09.9 V G96
2021-12-03 06:13:13 C 03 13 18.58 -03 09 50.9 V G96
2021-12-03 06:21:09 C 03 13 21.82 -03 10 32.1 V G96
2021-12-03 08:40:42 C 03 14 18.64 -03 22 26.6 V I52
2021-12-03 08:44:20 C 03 14 20.10 -03 22 45.4 V I52
2021-12-03 08:47:57 C 03 14 21.64 -03 23 03.7 V I52
2021-12-04 02:25:07 C 03 21 55.20 -04 47 15.3 V 807
2021-12-04 02:34:03 C 03 21 58.54 -04 47 57.3 V 807
2021-12-04 02:43:03 C 03 22 01.88 -04 48 39.9 V 807
2021-12-04 02:52:02 C 03 22 05.29 -04 49 22.0 V 807
2021-12-04 03:32:09 C 03 22 24.87 -04 54 50.0 V H01
2021-12-04 03:39:27 C 03 22 27.65 -04 55 24.4 V H01
2021-12-04 03:57:45 C 03 22 34.57 -04 56 50.4 V H01
2021-12-04 04:02:35 C 03 22 36.22 -04 57 15.2 X 858
2021-12-04 04:04:23 C 03 22 37.07 -04 57 21.4 V H01
2021-12-04 04:09:27 C 03 22 38.81 -04 57 47.4 X 858
2021-12-04 04:16:23 C 03 22 41.44 -04 58 20.2 X 858
2021-12-05 03:59:31 C 03 31 54.58 -06 43 18.6 u H21
2021-12-05 04:10:32 C 03 31 58.39 -06 44 04.6 u H21
2021-12-05 04:16:25 C 03 32 00.41 -06 44 29.5 u H21
2021-12-05 04:32:19 C 03 32 08.70 -06 45 23.5 V I52
2021-12-05 04:34:29 C 03 32 09.43 -06 45 32.9 V I52
2021-12-05 04:36:38 C 03 32 10.15 -06 45 41.4 V I52
2021-12-05 04:38:48 C 03 32 10.92 -06 45 50.7 V I52