2021 AF8

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5170238105 ± 1.04e-08
Semi-major axis (a)2.0154860612 AU ± 4.02e-08
Inclination (i)9.71035688° ± 1.55e-06
Long. of Asc. Node (Ω)42.45480050° ± 4.62e-06
Arg. of Perihelion (ω)168.96245187° ± 5.07e-06
Mean Anomaly (M)215.35628626° ± 1.75e-05
Mean Motion (n)0.3444629985°/day ± 1.03e-08
Perihelion dist (q)0.97343178 AU ± 2.86e-08
Aphelion dist (Q)3.05754034 AU ± 6.45e-08
Orbital Period2.86134153 yr ± 8.57e-08
Physical Parameters
H (abs. magnitude)20.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty0
Orbit TypeApollo
MOID0.027279 AU
Observations Used368
Radar Obs Used2
Oppositions5
Arc Total2014-2024
First Observation Used2014-12-01
Last Observation Used2024-08-03
Observations (397)
Date Type RA Dec Mag Band Observatory
2021-03-30 19:15:28 C 07 31 48.60 +61 00 04.8 V 130
2021-03-30 19:19:44 C 07 31 47.84 +61 00 00.7 V 118
2021-03-30 19:21:11 C 07 31 48.17 +61 00 04.1 V 130
2021-03-30 19:26:54 C 07 31 47.69 +61 00 03.0 V 130
2021-03-30 19:43:41 C 07 31 45.92 +60 59 56.7 V 118
2021-03-30 21:33:00 C 07 31 37.77 +60 59 42.0 V 203
2021-03-30 21:50:50 C 07 31 36.44 +60 59 38.1 V 203
2021-03-31 19:51:31 C 07 30 15.50 +60 57 17.5 V L38
2021-03-31 19:51:41 C 07 30 15.32 +60 57 19.0 V K87
2021-03-31 19:54:51 C 07 30 15.10 +60 57 18.6 V K87
2021-03-31 19:58:01 C 07 30 14.81 +60 57 18.3 V K87
2021-03-31 20:04:01 C 07 30 14.35 +60 57 19.7 V B67
2021-03-31 20:14:17 C 07 30 13.51 +60 57 17.9 V B67
2021-03-31 20:25:03 C 07 30 12.66 +60 57 15.7 V B67
2021-03-31 20:49:33 C 07 30 10.93 +60 57 06.9 V L38
2021-03-31 20:53:53 C 07 30 10.57 +60 57 05.9 V L38
2021-03-31 21:39:30 C 07 30 07.07 +60 56 57.2 V L38
2021-04-02 03:52:34 C 07 28 11.57 +60 53 36.5 V 703
2021-04-02 04:00:22 C 07 28 10.56 +60 53 34.8 V 703
2021-04-02 04:08:11 C 07 28 09.98 +60 53 32.8 V 703
2021-04-02 04:15:59 C 07 28 09.24 +60 53 30.9 V 703
2021-04-03 19:22:34 C 07 25 33.59 +60 47 43.8 V K87
2021-04-03 19:28:52 C 07 25 33.00 +60 47 42.5 V K87
2021-04-03 19:35:12 C 07 25 32.36 +60 47 41.5 V K87
2021-04-03 21:33:37 C 07 25 22.15 +60 47 16.2 V K38
2021-04-03 21:55:37 C 07 25 20.33 +60 47 09.9 V K38
2021-04-03 22:19:49 C 07 25 18.38 +60 47 03.1 V K38
2021-04-06 06:07:45 C 07 21 16.80 +60 37 58.9 V T08
2021-04-06 06:13:13 C 07 21 16.15 +60 37 57.6 V T08
2021-04-06 06:22:41 C 07 21 15.20 +60 37 55.5 V T08
2021-04-06 06:41:30 C 07 21 13.17 +60 37 49.8 V T08
2021-04-06 21:01:41 C 07 20 05.42 +60 34 23.4 V 033
2021-04-06 21:02:11 C 07 20 05.39 +60 34 23.5 V 033
2021-04-06 21:02:40 C 07 20 05.32 +60 34 23.2 V 033
2021-04-08 19:19:36 C 07 16 12.29 +60 24 11.6 V K87
2021-04-08 19:25:56 C 07 16 11.60 +60 24 09.6 V K87
2021-04-08 19:32:14 C 07 16 10.92 +60 24 07.7 V K87
2021-04-12 21:07:32 C 07 05 52.79 +59 54 33.2 V Z80
2021-04-12 21:16:42 C 07 05 51.50 +59 54 28.2 V Z80
2021-04-12 21:26:22 C 07 05 50.27 +59 54 23.5 V Z80
2021-04-13 19:25:33 C 07 03 00.47 +59 45 59.0 V K87
2021-04-13 19:29:46 C 07 02 59.80 +59 45 56.9 V K87
2021-04-13 19:33:59 C 07 02 59.12 +59 45 54.8 V K87
2021-04-14 19:29:26 C 06 59 35.13 +59 35 25.3 V K87
2021-04-14 19:35:45 C 06 59 34.08 +59 35 21.3 V K87
2021-04-14 19:42:04 C 06 59 32.96 +59 35 17.9 V K87
2021-04-14 21:20:51 C 06 59 17.28 +59 34 21.1 V Z80
2021-04-14 21:23:53 C 06 59 17.02 +59 34 17.0 V Z99
2021-04-14 21:25:43 C 06 59 16.72 +59 34 15.8 V Z99
2021-04-14 21:28:47 C 06 59 16.24 +59 34 14.0 V Z99
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-05-03 15:00:00 133632.8 0.5 Hz 8560 -14 -14
2021-05-03 16:00:00 22859278 1 us 8560 -14 -14
2021-05-05 03:50:00 -81043.705 0.8 Hz 7159.45 -47 -43
2021-05-05 23:20:00 -142285.686 0.6 Hz 7159.45 -47 -43
Station codes
-47 DSS-47 ATCA (W196) -43 DSS-43 Tidbinbilla (70-m) -14 DSS-14 Goldstone (70-m)