2021 XT4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4594634000
Semi-major axis (a)1.7550215000 AU
Inclination (i)4.93963000°
Long. of Asc. Node (Ω)74.70468000°
Arg. of Perihelion (ω)34.61854000°
Mean Anomaly (M)240.70257000°
Mean Motion (n)0.4239166000°/day
Perihelion dist (q)0.94865340 AU
Aphelion dist (Q)2.56138960 AU
Orbital Period2.32500380 yr
Physical Parameters
H (abs. magnitude)28.39
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.600″
Uncertainty7
Orbit TypeApollo
MOID0.008423 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-09
Observations (16)
Date Type RA Dec Mag Band Observatory
2021-12-08 06:22:34 C 04 40 58.72 +29 10 56.6 V G96
2021-12-08 06:38:45 C 04 41 20.76 +29 17 04.8 V G96
2021-12-08 06:46:51 C 04 41 31.70 +29 20 10.7 V G96
2021-12-08 07:58:32 C 04 43 11.11 +29 47 31.6 V I52
2021-12-08 07:59:06 C 04 43 11.91 +29 47 44.1 V I52
2021-12-08 07:59:39 C 04 43 12.70 +29 47 57.3 V I52
2021-12-08 08:00:13 C 04 43 13.22 +29 48 05.8 V I52
2021-12-08 09:03:47 C 04 44 45.06 +30 12 30.9 V I52
2021-12-08 09:04:55 C 04 44 46.73 +30 12 57.1 V I52
2021-12-08 09:05:29 C 04 44 47.53 +30 13 10.0 V I52
2021-12-09 01:22:33 C 05 18 51.28 +37 21 00.8 X W34
2021-12-09 01:34:47 C 05 19 21.56 +37 27 11.3 X W34
2021-12-09 01:46:38 C 05 19 50.82 +37 33 11.5 X W34
2021-12-09 06:07:59 C 05 31 31.34 +39 45 38.1 V I52
2021-12-09 06:08:35 C 05 31 32.94 +39 45 57.2 V I52
2021-12-09 06:09:49 C 05 31 36.33 +39 46 34.9 V I52