2021 XM3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1635954792 ± 2.00e+00
Semi-major axis (a)1.1706464306 AU ± 3.00e+00
Inclination (i)22.66651154° ± 4.00e+00
Long. of Asc. Node (Ω)258.82366375° ± 5.00e+00
Arg. of Perihelion (ω)206.93961917° ± 6.00e+00
Mean Anomaly (M)22.78293053° ± 1.40e-01
Mean Motion (n)0.7782060900°/day ± 2.99e+00
Perihelion dist (q)0.97913260 AU ± 3.43e+00
Aphelion dist (Q)1.36205540 AU ± 4.20e+00
Orbital Period1.26651240 yr ± 4.87e+00
Physical Parameters
H (abs. magnitude)23.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.243″
Uncertainty3
Orbit TypeApollo
MOID0.008713 AU
Observations Used68
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-12-15
Observations (69)
Date Type RA Dec Mag Band Observatory
2021-12-07 22:39:46 C 09 57 26.40 +53 00 28.0 X 595
2021-12-07 22:44:06 C 09 57 22.53 +52 58 34.8 X 595
2021-12-09 01:28:22 C 09 34 50.57 +37 40 50.0 V 073
2021-12-09 01:32:05 C 09 34 47.34 +37 38 12.3 V 073
2021-12-09 01:35:39 C 09 34 44.07 +37 35 40.7 V 073
2021-12-09 01:39:13 C 09 34 40.86 +37 33 10.2 V 073
2021-12-09 01:42:47 C 09 34 37.59 +37 30 36.6 V 073
2021-12-09 09:31:36 C 09 28 42.46 +31 36 23.9 V I52
2021-12-09 09:31:50 C 09 28 42.25 +31 36 12.7 V I52
2021-12-09 09:32:05 C 09 28 42.03 +31 36 01.2 V I52
2021-12-09 09:32:19 C 09 28 41.84 +31 35 50.2 V I52
2021-12-12 02:41:56 C 08 44 49.02 -25 33 49.2 V 204
2021-12-12 08:38:13 C 08 41 38.53 -29 20 04.0 V I52
2021-12-12 08:38:27 C 08 41 38.30 -29 20 13.3 V I52
2021-12-12 08:38:42 C 08 41 38.17 -29 20 21.4 V I52
2021-12-12 08:38:56 C 08 41 38.01 -29 20 30.3 V I52
2021-12-15 06:13:01 C 08 07 58.14 -54 02 56.5 u 807
2021-12-15 06:18:50 C 08 07 55.19 -54 04 05.2 u 807
2021-12-15 06:24:28 C 08 07 52.37 -54 05 10.9 u 807