2021 AR

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4386617000
Semi-major axis (a)0.9538055000 AU ± 3.00e+00
Inclination (i)20.11273000° ± 4.00e+00
Long. of Asc. Node (Ω)103.35089000° ± 5.00e+00
Arg. of Perihelion (ω)225.72007000° ± 6.00e+00
Mean Anomaly (M)169.50744000°
Mean Motion (n)1.0580698000°/day
Perihelion dist (q)0.53540760 AU
Aphelion dist (Q)1.37220340 AU
Orbital Period0.93151470 yr
Physical Parameters
H (abs. magnitude)23.95
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.850″
Uncertainty7
Orbit TypeAten
MOID0.071477 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-11
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-01-03 06:27:03 C 04 50 43.021 +09 55 45.87 U F52
2021-01-03 06:58:25 C 04 50 39.231 +10 00 03.82 U F52
2021-01-03 07:14:09 C 04 50 37.334 +10 02 12.21 U F52
2021-01-03 17:55:13 C 04 49 36.34 +11 26 26.6 V L01
2021-01-03 18:07:25 C 04 49 35.01 +11 28 01.9 V L01
2021-01-03 18:09:19 C 04 49 34.83 +11 28 16.7 V L01
2021-01-03 18:12:12 C 04 49 34.54 +11 28 39.1 V L01
2021-01-03 23:09:35 C 04 49 03.43 +12 06 27.6 V Z84
2021-01-03 23:27:17 C 04 49 01.54 +12 08 39.8 V Z84
2021-01-03 23:44:59 C 04 48 59.63 +12 10 51.7 V Z84
2021-01-04 02:22:34 C 04 48 48.62 +12 30 17.6 u H21
2021-01-04 02:26:45 C 04 48 48.19 +12 30 48.4 u H21
2021-01-04 03:10:04 C 04 48 45.22 +12 36 13.2 V I52
2021-01-04 03:13:42 C 04 48 44.88 +12 36 40.0 V I52
2021-01-04 03:17:20 C 04 48 44.47 +12 37 06.5 V I52
2021-01-05 03:17:58 C 04 46 44.23 +15 21 53.9 q H36
2021-01-05 03:44:39 C 04 46 41.69 +15 24 45.3 q H36
2021-01-05 04:14:38 C 04 46 39.64 +15 28 01.6 q 858
2021-01-05 04:24:39 C 04 46 38.69 +15 29 05.4 q 858
2021-01-05 04:34:41 C 04 46 37.76 +15 30 09.9 q 858
2021-01-05 04:36:28 C 04 46 36.88 +15 30 17.8 q H36
2021-01-05 05:02:38 C 04 46 34.48 +15 33 04.1 q H36
2021-01-07 05:45:31 C 04 43 23.35 +20 07 29.0 V I52
2021-01-07 05:49:09 C 04 43 23.10 +20 07 46.4 V I52
2021-01-07 05:52:47 C 04 43 22.81 +20 08 04.4 V I52
2021-01-11 04:14:28 C 04 39 35.23 +26 24 42.1 V V06
2021-01-11 04:18:38 C 04 39 35.02 +26 24 55.4 V V06
2021-01-11 04:22:09 C 04 39 34.94 +26 25 07.3 V V06
2021-01-11 04:25:59 C 04 39 34.71 +26 25 19.2 V V06