2021 XK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0338356633 ± 3.81e-08
Semi-major axis (a)1.0495736484 AU ± 6.95e-08
Inclination (i)32.55314145° ± 1.37e-05
Long. of Asc. Node (Ω)69.53272463° ± 1.45e-06
Arg. of Perihelion (ω)77.11444270° ± 9.64e-05
Mean Anomaly (M)178.51195400° ± 2.00e-04
Mean Motion (n)0.9166275341°/day ± 9.11e-08
Perihelion dist (q)1.01406063 AU ± 7.82e-08
Aphelion dist (Q)1.08508667 AU ± 8.22e-08
Orbital Period1.07527458 yr ± 1.07e-07
Physical Parameters
H (abs. magnitude)24.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.203″
Uncertainty0
Orbit TypeApollo
MOID0.041513 AU
Observations Used42
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-01
Last Observation Used2022-06-04
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-12-01 08:26:16 C 07 28 42.61 +39 31 47.8 V G96
2021-12-01 08:41:02 C 07 28 41.41 +39 36 45.5 V G96
2021-12-01 08:48:26 C 07 28 40.80 +39 39 14.2 V G96
2021-12-01 11:44:19 C 07 28 25.60 +40 38 06.0 V I52
2021-12-01 11:45:45 C 07 28 25.45 +40 38 34.4 V I52
2021-12-01 16:00:22 C 07 28 21.14 +42 03 36.5 r P93
2021-12-01 16:02:45 C 07 28 20.93 +42 04 24.2 r P93
2021-12-01 16:05:12 C 07 28 20.69 +42 05 13.5 r P93
2021-12-01 23:08:40 C 07 27 58.86 +44 25 39.8 V 033
2021-12-01 23:09:20 C 07 27 58.80 +44 25 52.9 V 033
2021-12-01 23:10:00 C 07 27 58.76 +44 26 06.0 V 033
2021-12-02 01:35:25 C 07 27 47.83 +45 14 31.6 V J95
2021-12-02 01:41:46 C 07 27 47.24 +45 16 38.5 V J95
2021-12-02 01:48:37 C 07 27 46.66 +45 18 55.5 V J95
2021-12-02 01:55:31 C 07 27 46.00 +45 21 12.8 V J95
2021-12-02 06:55:55 C 07 27 33.65 +47 00 41.8 V I52
2021-12-02 06:56:10 C 07 27 33.63 +47 00 46.6 V I52
2021-12-02 06:56:24 C 07 27 33.63 +47 00 51.3 V I52
2021-12-02 06:56:38 C 07 27 33.57 +47 00 56.0 V I52
2021-12-02 19:44:43 C 07 26 41.64 +51 09 25.1 V 587
2021-12-02 19:46:19 C 07 26 41.56 +51 09 55.9 V 587
2021-12-03 12:53:50 C 07 24 54.13 +56 33 16.0 V I52
2021-12-03 12:54:05 C 07 24 54.11 +56 33 20.6 V I52
2021-12-03 12:54:20 C 07 24 54.09 +56 33 25.1 V I52
2021-12-03 12:54:35 C 07 24 54.04 +56 33 30.0 V I52
2021-12-03 19:54:32 C 07 24 28.19 +58 38 53.9 V 033
2021-12-03 19:55:12 C 07 24 28.10 +58 39 05.8 V 033
2021-12-03 19:55:51 C 07 24 27.99 +58 39 17.6 V 033
2021-12-03 19:56:40 C 07 24 27.93 +58 39 32.7 V 033
2022-05-25 05:22:15 C 14 39 04.880 +49 59 51.30 V I52
2022-05-25 05:26:47 C 14 39 01.980 +49 59 17.00 V I52
2022-05-25 05:31:18 C 14 38 59.000 +49 58 44.70 V I52
2022-05-25 05:35:50 C 14 38 56.160 +49 58 11.70 V I52
2022-05-28 06:41:32 C 13 56 00.953 +38 49 26.15 V I52
2022-05-28 06:43:18 C 13 55 59.984 +38 49 06.64 V I52
2022-05-28 06:45:04 C 13 55 58.919 +38 48 46.51 V I52
2022-05-28 06:46:49 C 13 55 57.871 +38 48 27.43 V I52
2022-06-01 03:40:27 C 13 09 00.817 +18 41 57.44 V I52
2022-06-01 03:41:39 C 13 09 00.223 +18 41 39.84 V I52
2022-06-01 03:43:38 C 13 08 59.262 +18 41 11.44 V I52
2022-06-01 03:44:51 C 13 08 58.672 +18 40 53.80 V I52
2022-06-04 04:08:43 C 12 39 09.840 +01 28 37.20 V I52
2022-06-04 04:12:02 C 12 39 08.530 +01 27 51.80 V I52