2021 AT3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3630142000
Semi-major axis (a)1.5168148000 AU
Inclination (i)4.02512000°
Long. of Asc. Node (Ω)323.44122000°
Arg. of Perihelion (ω)98.99394000°
Mean Anomaly (M)238.71900000°
Mean Motion (n)0.5276005400°/day
Perihelion dist (q)0.96618950 AU
Aphelion dist (Q)2.06744010 AU
Orbital Period1.86809450 yr
Physical Parameters
H (abs. magnitude)25.33
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.850″
Uncertainty7
Orbit TypeApollo
MOID0.057015 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-16
Observations (33)
Date Type RA Dec Mag Band Observatory
2021-01-08 11:14:21 C 07 11 39.832 +56 20 36.89 U F51
2021-01-08 11:34:00 C 07 11 44.220 +56 18 43.33 U F51
2021-01-08 21:57:52 C 07 14 36.91 +55 19 18.6 V L01
2021-01-08 22:01:00 C 07 14 37.64 +55 19 02.0 V L01
2021-01-08 22:04:08 C 07 14 38.28 +55 18 44.6 V L01
2021-01-08 22:15:05 C 07 14 40.71 +55 17 44.1 V L01
2021-01-09 09:33:39 C 07 17 19.28 +54 15 36.9 V I52
2021-01-09 09:37:16 C 07 17 19.96 +54 15 17.5 V I52
2021-01-09 09:40:54 C 07 17 20.66 +54 14 56.8 V I52
2021-01-09 09:44:31 C 07 17 21.40 +54 14 36.8 V I52
2021-01-10 04:23:16 C 07 21 39.92 +52 35 06.6 V V06
2021-01-10 04:25:12 C 07 21 40.34 +52 34 56.8 V V06
2021-01-10 04:27:08 C 07 21 40.56 +52 34 47.7 V V06
2021-01-10 04:29:03 C 07 21 40.92 +52 34 38.0 V V06
2021-01-10 17:23:04 C 07 24 12.95 +51 27 18.1 V 033
2021-01-10 17:26:09 C 07 24 13.50 +51 27 03.3 V 033
2021-01-10 17:29:14 C 07 24 14.07 +51 26 48.4 V 033
2021-01-12 04:37:01 C 07 30 06.43 +48 37 28.3 V V06
2021-01-12 04:38:56 C 07 30 06.71 +48 37 19.9 V V06
2021-01-12 04:40:51 C 07 30 06.94 +48 37 11.1 V V06
2021-01-12 04:42:47 C 07 30 07.16 +48 37 02.6 V V06
2021-01-12 11:45:43 C 07 30 56.08 +48 04 14.1 V I52
2021-01-12 11:55:23 C 07 30 57.52 +48 03 29.6 V I52
2021-01-12 12:00:14 C 07 30 58.05 +48 03 04.1 V I52
2021-01-15 09:38:05 C 07 39 23.160 +43 12 33.88 U F51
2021-01-15 10:11:01 C 07 39 25.333 +43 10 28.75 U F51
2021-01-15 10:27:35 C 07 39 26.439 +43 09 26.10 U F51
2021-01-16 04:39:44 C 07 41 12.93 +42 01 01.5 V V06
2021-01-16 04:42:17 C 07 41 13.10 +42 00 52.5 V V06
2021-01-16 04:44:51 C 07 41 13.29 +42 00 43.6 V V06
2021-01-16 04:47:25 C 07 41 13.46 +42 00 34.6 V V06
2021-01-16 08:30:53 C 07 41 27.29 +41 47 12.7 V G96
2021-01-16 08:56:30 C 07 41 28.81 +41 45 39.0 V G96