IAA RAS IAA Minor Planet Database

2021 AT5

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4601817000
Semi-major axis (a)1.8268036000 AU
Inclination (i)7.65812000°
Long. of Asc. Node (Ω)293.67941000°
Arg. of Perihelion (ω)172.08627000° ± 6.00e+00
Mean Anomaly (M)349.92934000°
Mean Motion (n)0.3991777100°/day
Perihelion dist (q)0.98614200 AU
Aphelion dist (Q)2.66746520 AU
Orbital Period2.46909490 yr
Physical Parameters
H (abs. magnitude)27.53
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.690″
Uncertainty6
Orbit TypeApollo
MOID0.005004 AU
Observations Used84
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-17
Observations (95)
Date Type RA Dec Mag Band Observatory
2021-01-13 05:21:09 C 05 51 01.11 +47 14 55.8 – U I41
2021-01-13 05:21:40 C 05 51 05.22 +47 14 25.8 – U I41
2021-01-13 06:17:02 C 05 58 32.98 +46 17 07.9 – U I41
2021-01-13 06:17:33 C 05 58 36.93 +46 16 36.1 – U I41
2021-01-13 10:36:21 C 06 35 31.51 +40 57 57.1 – V 381
2021-01-13 10:36:28 C 06 35 32.58 +40 57 45.9 – V 381
2021-01-13 10:37:52 C 06 35 43.14 +40 56 01.1 – V 381
2021-01-13 10:38:00 C 06 35 43.83 +40 55 49.3 – V 381
2021-01-13 12:18:20 C 06 47 51.78 +38 41 18.1 – V 381
2021-01-13 12:18:26 C 06 47 52.37 +38 41 10.0 – V 381
2021-01-13 12:19:14 C 06 47 57.93 +38 40 04.8 – V 381
2021-01-13 12:19:20 C 06 47 58.55 +38 39 56.7 – V 381
2021-01-13 12:31:56 C 06 49 26.85 +38 22 19.8 – V 381
2021-01-13 12:32:01 C 06 49 27.56 +38 22 11.4 – V 381
2021-01-13 12:45:52 C 06 51 03.81 +38 02 39.7 – V 381
2021-01-13 12:45:57 C 06 51 04.44 +38 02 32.2 – V 381
2021-01-13 13:13:04 C 06 54 10.76 +37 23 44.2 – V 381
2021-01-13 13:13:09 C 06 54 11.60 +37 23 37.5 – V 381
2021-01-13 13:13:58 C 06 54 16.70 +37 22 28.1 – V 381
2021-01-13 13:14:01 C 06 54 17.22 +37 22 22.4 – V 381
2021-01-13 14:17:15 C 07 01 23.81 +35 49 45.9 – q 900
2021-01-13 14:19:17 C 07 01 37.18 +35 46 42.9 – q 900
2021-01-13 14:21:19 C 07 01 50.52 +35 43 40.2 – q 900
2021-01-13 15:09:26 C 07 08 50.16 +34 27 27.7 – V N51
2021-01-13 15:11:22 C 07 09 02.78 +34 24 35.5 – V N51
2021-01-13 15:16:05 C 07 09 33.28 +34 17 35.2 – V N51
2021-01-13 15:17:06 C 07 09 39.84 +34 16 05.1 – V N51
2021-01-13 15:17:56 C 07 09 45.29 +34 14 50.1 – V N51
2021-01-13 15:21:18 C 07 10 06.98 +34 09 49.8 – V N51
2021-01-13 15:22:17 C 07 10 13.42 +34 08 20.8 – V N51
2021-01-13 15:23:07 C 07 10 18.74 +34 07 06.6 – V N51
2021-01-13 15:23:58 C 07 10 24.20 +34 05 50.2 – V N51
2021-01-13 15:25:49 C 07 10 36.05 +34 03 05.0 – V N51
2021-01-13 15:26:46 C 07 10 42.15 +34 01 39.6 – V N51
2021-01-13 15:32:16 C 07 11 17.38 +33 53 26.0 – V N51
2021-01-13 17:50:17 C 07 26 26.45 +30 06 42.9 – V 595
2021-01-13 17:53:02 C 07 26 43.29 +30 02 29.7 – V 595
2021-01-13 17:55:46 C 07 27 00.07 +29 58 16.4 – V 595
2021-01-13 18:27:37 C 07 30 17.72 +29 08 39.3 – q C77
2021-01-13 18:28:40 C 07 30 23.92 +29 07 00.6 – q C77
2021-01-13 18:29:50 C 07 30 30.93 +29 05 12.8 – q C77
2021-01-13 18:30:59 C 07 30 37.80 +29 03 24.7 – q C77
2021-01-13 18:32:09 C 07 30 44.86 +29 01 37.4 – q C77
2021-01-13 19:12:19 C 07 34 38.28 +27 59 54.9 – V 104
2021-01-13 19:16:28 C 07 35 02.12 +27 53 26.3 – V 104
2021-01-13 19:18:33 C 07 35 13.98 +27 50 12.6 – V 104
2021-01-13 19:22:26 C 07 35 36.13 +27 44 08.9 – V 104
2021-01-13 19:38:01 C 07 37 04.66 +27 19 45.4 – V K63
2021-01-13 19:38:11 C 07 37 05.59 +27 19 29.6 – V K63
2021-01-13 19:40:43 C 07 37 19.82 +27 15 31.8 – V K63