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
2021-02-28 19:17:54 C 08 30 02.21 +59 10 55.4 V A17
2021-03-01 22:06:35 C 08 27 15.06 +59 24 30.2 V K87
2021-03-01 22:11:19 C 08 27 14.51 +59 24 32.8 V K87
2021-03-01 22:16:03 C 08 27 14.05 +59 24 35.0 V K87
2021-03-02 04:43:44 C 08 26 35.51 +59 27 51.5 V 703
2021-03-02 04:52:27 C 08 26 34.38 +59 27 55.6 V 703
2021-03-02 05:00:50 C 08 26 33.37 +59 27 59.2 V 703
2021-03-02 05:08:56 C 08 26 32.15 +59 28 02.3 V 703
2021-03-02 05:37:15 C 08 26 28.98 +59 28 16.6 V I52
2021-03-02 05:42:15 C 08 26 28.50 +59 28 19.3 V I52
2021-03-02 05:46:07 C 08 26 28.03 +59 28 21.7 V I52
2021-03-02 22:03:20 C 08 24 48.18 +59 35 50.2 V K87
2021-03-02 22:10:12 C 08 24 47.44 +59 35 53.4 V K87
2021-03-02 22:17:02 C 08 24 46.70 +59 35 57.0 V K87
2021-03-03 04:13:28 C 08 24 10.03 +59 38 41.3 V W62
2021-03-03 04:25:59 C 08 24 08.59 +59 38 46.4 V W62
2021-03-03 04:38:30 C 08 24 07.18 +59 38 51.5 V W62
2021-03-03 05:51:51 C 08 24 00.39 +59 39 30.8 V I52
2021-03-03 05:56:35 C 08 23 59.85 +59 39 32.8 V I52
2021-03-03 06:01:17 C 08 23 59.27 +59 39 34.7 V I52
2021-03-04 00:45:22 C 08 22 08.06 +59 47 40.7 V W33
2021-03-04 01:04:30 C 08 22 05.99 +59 47 51.4 V W33
2021-03-04 01:25:54 C 08 22 03.67 +59 47 58.1 V W33
2021-03-04 05:31:48 C 08 21 35.10 +59 49 36.8 V W62
2021-03-04 05:36:30 C 08 21 34.70 +59 49 38.1 V W62
2021-03-04 05:40:52 C 08 21 34.07 +59 49 40.0 V W62
2021-03-05 20:44:04 C 08 17 41.95 +60 05 05.4 V K87
2021-03-05 20:50:23 C 08 17 41.22 +60 05 07.5 V K87
2021-03-05 20:56:43 C 08 17 40.52 +60 05 09.7 V K87
2021-03-06 04:22:26 C 08 16 56.90 +60 08 01.1 V 703
2021-03-06 04:30:15 C 08 16 56.00 +60 08 03.8 V 703
2021-03-06 04:38:05 C 08 16 55.16 +60 08 07.1 V 703
2021-03-06 04:45:57 C 08 16 54.30 +60 08 09.1 V 703
2021-03-06 20:27:29 C 08 15 21.79 +60 13 30.5 V K87
2021-03-06 20:33:48 C 08 15 21.15 +60 13 33.2 V K87
2021-03-06 20:40:06 C 08 15 20.41 +60 13 35.4 V K87
2021-03-07 19:42:14 C 08 13 06.76 +60 21 07.6 V K87
2021-03-07 19:46:57 C 08 13 06.25 +60 21 09.0 V K87
2021-03-07 19:51:42 C 08 13 05.75 +60 21 09.7 V K87
2021-03-08 19:54:36 C 08 10 47.55 +60 28 26.3 V L01
2021-03-08 19:59:04 C 08 10 47.06 +60 28 27.4 V L01
2021-03-08 20:03:33 C 08 10 46.58 +60 28 28.9 V L01
2021-03-08 20:08:03 C 08 10 46.09 +60 28 30.2 V L01
2021-03-08 20:14:47 C 08 10 45.37 +60 28 32.1 V L01
2021-03-09 04:32:43 C 08 09 58.20 +60 30 58.0 V I52
2021-03-09 04:37:57 C 08 09 57.73 +60 31 00.4 V I52
2021-03-09 04:43:12 C 08 09 57.09 +60 31 01.7 V I52
2021-03-09 04:54:08 C 08 09 55.88 +60 31 04.1 V I52
2021-03-11 03:53:54 C 08 05 36.45 +60 42 49.8 V I52
2021-03-11 03:59:35 C 08 05 35.82 +60 42 51.4 V I52
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)