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
2021-03-11 04:09:53 C 08 05 34.65 +60 42 53.5 V I52
2021-03-11 04:17:06 C 08 05 33.87 +60 42 55.0 V I52
2021-03-14 19:02:44 C 07 58 04.67 +60 58 30.5 V K14
2021-03-14 19:21:51 C 07 58 02.77 +60 58 33.7 V K14
2021-03-15 07:33:06 S 07 57 02.65 +60 59 53.8 L C51
2021-03-15 13:49:33 S 07 56 32.18 +61 00 42.7 L C51
2021-03-15 16:57:52 S 07 56 17.20 +61 01 07.1 L C51
2021-03-15 18:32:07 S 07 56 09.21 +61 01 17.4 L C51
2021-03-15 21:40:15 S 07 55 54.29 +61 01 39.7 L C51
2021-03-16 00:48:35 S 07 55 39.21 +61 02 00.1 L C51
2021-03-18 03:45:25 C 07 51 39.06 +61 06 17.1 V 033
2021-03-18 03:46:15 C 07 51 39.01 +61 06 17.0 V 033
2021-03-18 03:47:12 C 07 51 38.96 +61 06 17.1 V 033
2021-03-20 04:23:35 C 07 48 07.48 +61 09 36.9 V 703
2021-03-20 04:31:20 C 07 48 06.87 +61 09 37.5 V 703
2021-03-20 04:39:05 C 07 48 06.33 +61 09 37.7 V 703
2021-03-20 04:46:50 C 07 48 05.52 +61 09 38.4 V 703
2021-03-20 22:11:24 C 07 46 51.37 +61 09 56.4 V K38
2021-03-20 22:44:21 C 07 46 48.67 +61 09 54.4 V K38
2021-03-20 23:18:25 C 07 46 46.02 +61 09 53.0 V K38
2021-03-22 22:31:24 C 07 43 34.76 +61 10 21.0 V K38
2021-03-22 23:01:55 C 07 43 32.42 +61 10 18.0 V K38
2021-03-22 23:37:31 C 07 43 29.76 +61 10 14.2 V K38
2021-03-23 03:42:15 C 07 43 16.50 +61 10 36.4 V I52
2021-03-23 03:51:18 C 07 43 15.82 +61 10 36.9 V I52
2021-03-23 03:59:29 C 07 43 15.08 +61 10 36.1 V I52
2021-03-24 19:44:32 C 07 40 41.43 +61 09 37.6 V K87
2021-03-24 19:49:17 C 07 40 41.14 +61 09 37.4 V K87
2021-03-24 19:53:30 C 07 40 40.77 +61 09 36.9 V K87
2021-03-25 07:07:32 C 07 39 57.474 +61 09 32.95 U F52
2021-03-25 07:35:15 C 07 39 55.117 +61 09 30.23 U F52
2021-03-25 07:49:06 C 07 39 53.921 +61 09 28.91 U F52
2021-03-26 03:42:09 C 07 38 40.82 +61 08 34.7 V I52
2021-03-26 03:50:26 C 07 38 40.09 +61 08 34.5 V I52
2021-03-26 03:58:42 C 07 38 39.33 +61 08 33.1 V I52
2021-03-26 04:06:58 C 07 38 38.70 +61 08 32.9 V I52
2021-03-28 19:58:41 C 07 34 42.93 +61 04 20.2 V K38
2021-03-28 20:48:14 C 07 34 39.20 +61 04 13.2 V K38
2021-03-28 21:43:50 C 07 34 34.82 +61 04 04.5 V K38
2021-03-29 20:24:15 C 07 33 13.31 +61 02 10.0 V Z99
2021-03-29 20:27:18 C 07 33 13.05 +61 02 09.6 V Z99
2021-03-29 20:30:22 C 07 33 12.81 +61 02 09.3 V Z99
2021-03-29 20:33:25 C 07 33 12.58 +61 02 08.4 V Z99
2021-03-29 20:36:28 C 07 33 12.38 +61 02 08.3 V Z99
2021-03-30 00:18:05 C 07 32 55.60 +61 01 28.3 V 204
2021-03-30 00:29:14 C 07 32 54.92 +61 01 25.8 V 204
2021-03-30 00:40:24 C 07 32 54.21 +61 01 23.2 V 204
2021-03-30 19:00:03 C 07 31 49.66 +61 00 03.2 V K61
2021-03-30 19:01:55 C 07 31 49.51 +61 00 02.6 V K61
2021-03-30 19:03:28 C 07 31 49.40 +61 00 02.7 V K61
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)