2021 XK1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2348396550 ± 3.81e-05
Semi-major axis (a)1.0776567708 AU ± 2.87e-05
Inclination (i)10.81961615° ± 1.62e-03
Long. of Asc. Node (Ω)71.38872701° ± 6.68e-05
Arg. of Perihelion (ω)269.36780921° ± 7.92e-04
Mean Anomaly (M)260.27736510° ± 5.60e-02
Mean Motion (n)0.8810317984°/day ± 3.52e-05
Perihelion dist (q)0.82458023 AU ± 4.65e-05
Aphelion dist (Q)1.33073332 AU ± 5.42e-05
Orbital Period1.11871817 yr ± 4.47e-05
Physical Parameters
H (abs. magnitude)26.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.198″
Uncertainty2
Orbit TypeApollo
MOID0.000309 AU
Observations Used28
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-02
Last Observation Used2022-01-09
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-12-02 08:13:36 C 05 48 21.04 +18 49 05.8 V G96
2021-12-02 08:20:58 C 05 48 16.30 +18 50 55.2 V G96
2021-12-02 08:28:21 C 05 48 11.58 +18 52 44.4 V G96
2021-12-02 08:35:45 C 05 48 06.82 +18 54 34.6 V G96
2021-12-03 04:09:46 C 05 37 42.53 +23 19 38.8 V I52
2021-12-03 04:10:00 C 05 37 42.41 +23 19 40.9 V I52
2021-12-03 04:10:15 C 05 37 42.24 +23 19 44.7 V I52
2021-12-03 04:10:29 C 05 37 42.11 +23 19 47.8 V I52
2021-12-03 04:47:16 C 05 36 59.61 +23 26 08.6 V 033
2021-12-03 04:47:56 C 05 36 59.26 +23 26 16.6 V 033
2021-12-03 04:48:36 C 05 36 58.93 +23 26 24.6 V 033
2021-12-03 04:49:47 C 05 36 58.28 +23 26 38.4 V 033
2021-12-03 19:34:07 C 05 30 01.34 +26 16 55.4 V 033
2021-12-03 19:34:46 C 05 30 01.02 +26 17 02.9 V 033
2021-12-03 19:35:26 C 05 30 00.68 +26 17 09.8 V 033
2021-12-03 22:13:09 C 05 28 41.08 +26 46 02.4 V L01
2021-12-03 22:15:35 C 05 28 39.83 +26 46 27.8 V L01
2021-12-03 22:18:01 C 05 28 38.58 +26 46 53.6 V L01
2021-12-03 22:20:49 C 05 28 37.14 +26 47 23.7 V L01
2021-12-03 22:23:23 C 05 28 35.80 +26 47 51.1 V L01
2021-12-05 03:10:16 C 05 15 52.76 +31 13 35.4 V 033
2021-12-05 03:11:16 C 05 15 52.33 +31 13 43.1 V 033
2021-12-05 03:13:20 C 05 15 51.44 +31 13 59.8 V 033
2021-12-07 20:12:45 C 04 53 46.98 +37 59 02.4 V 033
2021-12-07 20:15:05 C 04 53 46.23 +37 59 13.6 V 033
2021-12-07 20:17:25 C 04 53 45.50 +37 59 25.5 V 033
2021-12-07 20:20:05 C 04 53 44.62 +37 59 38.6 V 033
2022-01-09 08:34:33 C 04 05 38.206 +49 12 53.88 V T12