2021 AK3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4357136595 ± 2.27e-07
Semi-major axis (a)1.3592889477 AU ± 2.14e-08
Inclination (i)18.38196143° ± 2.65e-05
Long. of Asc. Node (Ω)249.42985177° ± 4.75e-05
Arg. of Perihelion (ω)325.42791684° ± 5.10e-05
Mean Anomaly (M)326.97976836° ± 2.89e-05
Mean Motion (n)0.6219344268°/day ± 1.47e-08
Perihelion dist (q)0.76702819 AU ± 3.09e-07
Aphelion dist (Q)1.95154971 AU ± 3.10e-07
Orbital Period1.58477524 yr ± 3.74e-08
Physical Parameters
H (abs. magnitude)21.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.362″
Uncertainty0
Orbit TypeApollo
MOID0.171504 AU
Observations Used57
Oppositions4
Arc Total2012-2023
First Observation Used2012-12-13
Last Observation Used2023-11-13
Observations (59)
Date Type RA Dec Mag Band Observatory
2012-12-13 05:02:04 C 04 47 30.59 +15 15 41.6 V G96
2012-12-13 05:22:25 C 04 47 28.45 +15 15 21.2 V G96
2021-01-07 09:46:54 C 06 00 10.818 -14 14 04.17 U F52
2021-01-07 10:03:26 C 06 00 08.476 -14 14 34.38 U F52
2021-01-07 10:19:58 C 06 00 06.118 -14 15 04.68 U F52
2021-01-08 04:29:57 C 05 57 38.19 -14 48 28.1 V I52
2021-01-08 04:34:48 C 05 57 37.56 -14 48 36.8 V I52
2021-01-08 04:39:38 C 05 57 36.87 -14 48 44.9 V I52
2021-01-08 04:44:28 C 05 57 36.22 -14 48 54.0 V I52
2021-01-09 04:19:27 C 05 54 20.64 -15 31 18.2 u 807
2021-01-09 04:25:05 C 05 54 19.77 -15 31 28.8 u 807
2021-01-09 05:42:47 C 05 54 09.41 -15 34 10.6 o 711
2021-01-09 05:48:02 C 05 54 08.57 -15 34 21.1 o 711
2021-01-09 05:53:16 C 05 54 07.88 -15 34 29.4 o 711
2021-01-09 12:36:48 C 05 53 11.82 -15 46 07.1 V 474
2021-01-09 12:42:07 C 05 53 10.97 -15 46 15.1 V 474
2021-01-09 12:47:02 C 05 53 10.31 -15 46 24.5 V 474
2021-01-09 12:52:54 C 05 53 09.47 -15 46 35.8 V 474
2021-01-11 04:33:06 C 05 47 39.16 -16 57 14.4 V I52
2021-01-11 04:35:31 C 05 47 38.89 -16 57 17.8 V I52
2021-01-12 04:24:59 C 05 44 18.72 -17 38 30.0 V I52
2021-01-12 04:27:24 C 05 44 18.38 -17 38 34.9 V I52
2021-01-12 04:29:49 C 05 44 17.99 -17 38 38.0 V I52
2021-01-12 04:32:15 C 05 44 17.58 -17 38 41.2 V I52
2021-01-15 04:56:48 C 05 34 06.70 -19 38 35.6 u 807
2021-01-15 05:02:46 C 05 34 05.82 -19 38 45.5 u 807
2021-01-15 05:08:45 C 05 34 04.93 -19 38 54.7 u 807
2021-01-15 12:28:42 C 05 33 03.56 -19 50 34.0 V 474
2021-01-15 12:35:29 C 05 33 02.60 -19 50 44.5 V 474
2021-01-15 12:38:53 C 05 33 02.05 -19 50 50.1 V 474
2021-01-15 12:42:17 C 05 33 01.58 -19 50 55.3 V 474
2021-01-16 04:09:29 C 05 30 52.86 -20 15 51.5 V I52
2021-01-16 04:14:15 C 05 30 52.16 -20 15 59.3 V I52
2021-01-16 04:19:01 C 05 30 51.49 -20 16 06.5 V I52
2021-01-16 04:23:48 C 05 30 50.75 -20 16 14.6 V I52
2021-02-02 02:16:35 C 04 38 29.93 -28 43 15.8 u 807
2021-02-02 02:25:38 C 04 38 28.77 -28 43 24.5 u 807
2021-02-02 02:34:18 C 04 38 27.78 -28 43 32.7 u 807
2021-02-05 01:58:03 C 04 30 28.70 -29 49 46.4 u 807
2021-02-05 02:09:54 C 04 30 27.33 -29 49 57.0 u 807
2021-02-05 02:21:41 C 04 30 25.97 -29 50 07.2 u 807
2021-02-05 09:47:48 C 04 29 37.63 -29 56 38.1 V 474
2021-02-05 09:52:01 C 04 29 37.16 -29 56 41.8 V 474
2021-02-05 09:56:15 C 04 29 36.66 -29 56 45.4 V 474
2021-02-05 10:00:29 C 04 29 36.18 -29 56 49.2 V 474
2021-02-12 11:00:22 C 04 12 02.32 -32 15 00.3 V 474
2021-02-12 11:05:25 C 04 12 01.75 -32 15 03.5 V 474
2021-02-12 11:10:29 C 04 12 01.28 -32 15 07.7 V 474
2021-02-12 11:15:34 C 04 12 00.71 -32 15 10.0 V 474
2021-02-22 01:27:06 C 03 49 08.60 -35 01 48.9 V 807