IAA RAS IAA Minor Planet Database

2021 AE4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1623961638 ± 7.39e-08
Semi-major axis (a)1.1596552038 AU ± 7.71e-09
Inclination (i)15.77438769° ± 6.84e-06
Long. of Asc. Node (Ω)49.53984202° ± 4.53e-05
Arg. of Perihelion (ω)172.42096577° ± 5.63e-05
Mean Anomaly (M)233.69287234° ± 2.10e-05
Mean Motion (n)0.7892579305°/day ± 7.87e-09
Perihelion dist (q)0.97133165 AU ± 8.60e-08
Aphelion dist (Q)1.34797876 AU ± 8.62e-08
Orbital Period1.24880124 yr ± 1.24e-08
Physical Parameters
H (abs. magnitude)21.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.237″
Uncertainty0
Orbit TypeApollo
MOID0.037860 AU
Observations Used44
Oppositions2
Arc Total2016-2025
First Observation Used2016-09-10
Last Observation Used2025-12-21
Observations (44)
Date Type RA Dec Mag Band Observatory
2016-09-10 08:26:28 C 00 14 23.589 -63 57 35.07 – V W84
2016-09-10 08:28:26 C 00 14 23.132 -63 57 33.02 – V W84
2016-09-10 08:30:24 C 00 14 22.682 -63 57 30.83 – V W84
2016-10-03 02:46:36 C 23 00 08.46 -50 05 19.1 – W W84
2016-10-03 02:48:35 C 23 00 08.311 -50 05 15.60 – V W84
2021-01-06 15:26:13 C 11 57 53.550 +62 57 36.04 – V F51
2021-01-06 15:33:40 C 11 57 55.047 +62 57 45.63 – U F51
2021-01-06 15:41:07 C 11 57 56.600 +62 57 55.66 – U F51
2021-01-08 11:58:48 C 12 07 47.81 +63 55 57.7 – V 291
2021-01-08 12:07:27 C 12 07 49.65 +63 56 09.1 – V 291
2021-01-08 12:16:07 C 12 07 51.46 +63 56 20.4 – V 291
2021-01-09 03:39:32 C 12 11 20.76 +64 16 01.4 – V L01
2021-01-09 03:46:17 C 12 11 22.15 +64 16 10.3 – V L01
2021-01-09 03:53:03 C 12 11 23.61 +64 16 18.6 – V L01
2021-01-11 01:35:17 C 12 21 58.01 +65 13 33.6 – V 033
2021-01-11 01:40:27 C 12 21 59.16 +65 13 40.3 – V 033
2021-01-11 01:45:37 C 12 22 00.35 +65 13 46.7 – V 033
2021-01-16 10:50:09 C 12 53 20.79 +67 43 21.8 – V I52
2021-01-16 10:54:59 C 12 53 21.95 +67 43 27.1 – V I52
2021-01-16 10:59:50 C 12 53 23.05 +67 43 32.7 – V I52
2021-01-16 11:04:40 C 12 53 24.19 +67 43 37.3 – V I52
2021-01-18 07:29:00 C 13 04 43.63 +68 30 01.1 – V 291
2021-01-18 07:34:19 C 13 04 44.91 +68 30 07.1 – V 291
2021-01-18 07:39:37 C 13 04 46.26 +68 30 13.0 – V 291
2021-01-31 08:29:17 C 14 29 14.32 +72 42 23.4 – V 695
2021-01-31 08:53:29 C 14 29 21.04 +72 42 40.3 – V 695
2021-01-31 09:17:41 C 14 29 27.35 +72 42 56.4 – V 695
2021-02-10 15:59:21 C 15 35 56.078 +74 35 25.61 – V T12
2021-02-24 08:01:56 C 16 51 46.91 +75 44 32.7 – V 291
2021-02-24 08:21:52 C 16 51 50.99 +75 44 37.1 – V 291
2021-02-24 08:41:50 C 16 51 54.92 +75 44 41.8 – V 291
2021-02-26 09:06:14 C 17 01 32.69 +75 49 57.9 – V 695
2021-02-26 09:22:02 C 17 01 35.72 +75 50 01.2 – V 695
2021-02-26 09:37:51 C 17 01 38.58 +75 50 04.5 – V 695
2021-03-02 10:35:47 C 17 19 51.31 +75 58 03.1 – V 291
2021-03-02 10:56:59 C 17 19 54.75 +75 58 06.5 – V 291
2021-03-02 11:18:14 C 17 19 58.08 +75 58 09.6 – V 291
2021-04-02 10:54:55 C 19 26 22.36 +75 15 10.4 – o 291
2021-04-02 11:05:42 C 19 26 24.44 +75 15 07.9 – o 291
2021-04-02 11:16:29 C 19 26 26.25 +75 15 06.6 – o 291
2025-12-16 08:36:52 C 10 36 39.90 +48 41 34.5 – V H21
2025-12-16 08:44:55 C 10 36 41.16 +48 41 44.8 – V H21
2025-12-21 09:50:34 C 10 57 49.06 +51 16 57.4 – V H21
2025-12-21 09:58:37 C 10 57 50.43 +51 17 07.8 – V H21