2021 XK3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4791575773 ± 4.28e-04
Semi-major axis (a)1.7433892958 AU ± 1.33e-03
Inclination (i)8.86438649° ± 5.90e-03
Long. of Asc. Node (Ω)248.48927091° ± 4.54e-04
Arg. of Perihelion (ω)138.57385193° ± 1.19e-03
Mean Anomaly (M)274.67581237° ± 7.30e-01
Mean Motion (n)0.4281744154°/day ± 4.91e-04
Perihelion dist (q)0.90803110 AU ± 1.02e-03
Aphelion dist (Q)2.57874749 AU ± 2.11e-03
Orbital Period2.30192708 yr ± 2.64e-03
Physical Parameters
H (abs. magnitude)27.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.260″
Uncertainty3
Orbit TypeApollo
MOID0.000570 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-05
Last Observation Used2021-12-12
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-12-05 06:53:43 C 04 43 12.88 -07 07 40.7 V G96
2021-12-05 07:07:42 C 04 43 25.35 -07 07 30.1 V G96
2021-12-05 07:15:53 C 04 43 32.69 -07 07 24.1 V G96
2021-12-05 07:24:06 C 04 43 39.95 -07 07 17.7 V G96
2021-12-05 09:22:58 C 04 45 24.07 -07 05 40.7 V I52
2021-12-05 09:23:59 C 04 45 24.96 -07 05 40.5 V I52
2021-12-05 09:24:29 C 04 45 25.35 -07 05 39.5 V I52
2021-12-06 06:21:31 C 05 01 55.62 -06 50 58.8 V I52
2021-12-06 06:24:25 C 05 01 57.25 -06 50 56.7 V I52
2021-12-06 06:27:19 C 05 01 58.92 -06 50 54.3 V I52
2021-12-06 06:30:13 C 05 02 00.57 -06 50 53.2 V I52
2021-12-07 09:41:39 C 05 16 00.23 -06 34 56.8 V V06
2021-12-07 09:45:13 C 05 16 01.60 -06 34 54.7 V V06
2021-12-07 09:48:47 C 05 16 02.92 -06 34 52.5 V V06
2021-12-09 05:52:43 C 05 30 30.48 -06 14 24.6 o 291
2021-12-09 06:03:52 C 05 30 32.81 -06 14 20.2 o 291
2021-12-09 06:15:04 C 05 30 35.12 -06 14 16.0 o 291
2021-12-12 07:16:45 C 05 43 21.49 -05 47 22.9 V 291
2021-12-12 07:43:22 C 05 43 23.95 -05 47 13.9 V 291
2021-12-12 08:10:02 C 05 43 26.44 -05 47 04.9 V 291