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
2021-04-14 21:29:11 C 06 59 15.85 +59 34 15.5 V Z80
2021-04-14 21:31:50 C 06 59 15.71 +59 34 12.2 V Z99
2021-04-14 21:34:53 C 06 59 15.22 +59 34 10.1 V Z99
2021-04-14 21:37:51 C 06 59 14.48 +59 34 10.4 V Z80
2021-04-15 23:05:56 C 06 55 11.09 +59 20 59.9 V Z80
2021-04-15 23:15:06 C 06 55 09.57 +59 20 52.1 V Z80
2021-04-15 23:24:16 C 06 55 07.87 +59 20 45.5 V Z80
2021-04-16 05:34:50 C 06 54 06.85 +59 18 42.3 V T05
2021-04-16 05:39:28 C 06 54 05.96 +59 18 39.1 V T05
2021-04-16 05:48:44 C 06 54 04.02 +59 18 32.2 V T05
2021-04-16 06:03:20 C 06 54 00.93 +59 18 21.3 V T05
2021-04-16 21:35:52 C 06 51 14.12 +59 08 11.2 V Z99
2021-04-16 21:38:58 C 06 51 13.51 +59 08 08.7 V Z99
2021-04-16 21:41:41 C 06 51 12.95 +59 08 06.5 V Z99
2021-04-16 21:44:24 C 06 51 12.43 +59 08 04.3 V Z99
2021-04-16 21:47:31 C 06 51 11.83 +59 08 02.0 V Z99
2021-04-17 00:05:02 C 06 50 45.61 +59 06 09.8 V Z80
2021-04-17 00:14:42 C 06 50 43.83 +59 06 01.6 V Z80
2021-04-17 00:24:32 C 06 50 42.12 +59 05 53.8 V Z80
2021-04-17 03:31:09 C 06 50 06.88 +59 05 08.6 V 703
2021-04-17 03:39:29 C 06 50 04.99 +59 05 01.3 V 703
2021-04-17 03:47:49 C 06 50 03.15 +59 04 54.3 V 703
2021-04-17 03:56:10 C 06 50 01.36 +59 04 47.1 V 703
2021-04-18 05:32:45 C 06 44 52.31 +58 47 28.8 V T08
2021-04-18 05:38:04 C 06 44 50.93 +58 47 24.1 V T08
2021-04-18 05:46:02 C 06 44 48.82 +58 47 16.3 V T08
2021-04-18 06:00:05 C 06 44 45.29 +58 47 02.8 V T08
2021-04-18 20:47:22 C 06 41 26.55 +58 34 31.1 V K14
2021-04-18 21:06:37 C 06 41 21.69 +58 34 09.9 V K14
2021-04-18 21:30:44 C 06 41 17.79 +58 33 34.7 V Z80
2021-04-18 21:37:24 C 06 41 16.20 +58 33 27.4 V Z80
2021-04-18 21:44:04 C 06 41 14.49 +58 33 21.0 V Z80
2021-04-19 04:03:45 C 06 39 45.36 +58 28 33.1 V G58
2021-04-19 04:10:56 C 06 39 43.41 +58 28 25.1 V G58
2021-04-19 04:17:32 C 06 39 41.66 +58 28 17.9 V G58
2021-04-19 20:58:30 C 06 35 32.44 +58 12 09.7 V Z80
2021-04-19 21:05:10 C 06 35 30.61 +58 12 01.4 V Z80
2021-04-19 21:11:49 C 06 35 28.84 +58 11 52.4 V Z80
2021-04-20 03:33:35 C 06 33 46.48 +58 06 02.2 V 703
2021-04-20 03:58:44 C 06 33 39.11 +58 05 27.9 V 703
2021-04-20 05:50:23 C 06 33 10.19 +58 04 05.7 V T05
2021-04-20 05:55:00 C 06 33 08.73 +58 04 00.0 V T05
2021-04-20 06:04:59 C 06 33 05.63 +58 03 46.4 V T05
2021-04-20 06:20:13 C 06 33 00.88 +58 03 25.5 V T05
2021-04-20 06:20:53 C 06 33 00.64 +58 03 25.3 V T05
2021-04-20 06:33:26 C 06 32 56.74 +58 03 07.4 V T05
2021-04-22 20:49:05 C 06 12 55.71 +56 35 26.5 V 033
2021-04-22 20:49:34 C 06 12 55.51 +56 35 25.4 V 033
2021-04-22 20:50:04 C 06 12 55.32 +56 35 24.4 V 033
2021-04-23 03:00:28 C 06 10 32.25 +56 25 07.1 V 703
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)