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
2021-02-17 10:17:48 C 08 57 24.922 +56 00 55.15 U F51
2021-02-17 10:53:35 C 08 57 21.143 +56 01 25.26 U F51
2021-02-20 02:21:21 C 08 51 17.59 +56 53 44.1 u H21
2021-02-20 02:25:33 C 08 51 17.13 +56 53 47.8 u H21
2021-02-20 02:29:45 C 08 51 16.74 +56 53 51.1 u H21
2021-02-20 02:33:49 C 08 51 16.32 +56 53 54.1 u H21
2021-02-20 05:32:59 C 08 50 57.39 +56 56 21.6 V 703
2021-02-20 05:48:27 C 08 50 56.22 +56 56 33.1 V 703
2021-02-20 05:56:11 C 08 50 55.46 +56 56 38.2 V 703
2021-02-20 19:05:17 C 08 49 39.24 +57 06 42.4 V K14
2021-02-20 19:56:57 C 08 49 33.72 +57 07 24.9 V K14
2021-02-20 20:14:12 C 08 49 31.47 +57 07 35.2 V A17
2021-02-20 20:31:18 C 08 49 29.68 +57 07 48.6 V A17
2021-02-20 20:48:21 C 08 49 27.84 +57 08 02.6 V A17
2021-02-21 02:30:19 C 08 48 54.38 +57 12 26.1 u H21
2021-02-21 02:34:47 C 08 48 53.86 +57 12 29.7 u H21
2021-02-21 02:38:59 C 08 48 53.41 +57 12 33.1 u H21
2021-02-21 02:43:44 C 08 48 52.90 +57 12 36.9 u H21
2021-02-21 06:49:13 C 08 48 26.76 +57 15 47.2 V I52
2021-02-21 06:57:32 C 08 48 25.86 +57 15 53.6 V I52
2021-02-21 07:05:57 C 08 48 24.97 +57 15 59.6 V I52
2021-02-21 07:14:28 C 08 48 23.97 +57 16 05.5 V I52
2021-02-21 20:55:25 C 08 47 03.27 +57 26 09.7 V K87
2021-02-21 21:00:10 C 08 47 02.76 +57 26 13.5 V K87
2021-02-21 21:04:53 C 08 47 02.22 +57 26 16.9 V K87
2021-02-23 02:57:49 C 08 44 02.89 +57 47 45.7 V I52
2021-02-23 03:01:23 C 08 44 02.54 +57 47 48.1 V I52
2021-02-23 03:33:16 C 08 43 58.93 +57 48 12.2 V I52
2021-02-23 03:42:30 C 08 43 57.90 +57 48 19.5 V I52
2021-02-24 03:30:07 C 08 41 32.66 +58 04 32.2 V I52
2021-02-24 03:37:33 C 08 41 31.81 +58 04 37.9 V I52
2021-02-24 03:42:32 C 08 41 31.32 +58 04 41.1 V I52
2021-02-24 03:46:06 C 08 41 30.85 +58 04 43.9 V I52
2021-02-25 04:52:39 C 08 38 55.66 +58 21 05.8 V I52
2021-02-25 04:56:13 C 08 38 55.18 +58 21 08.2 V I52
2021-02-25 04:59:13 C 08 38 54.84 +58 21 10.3 V I52
2021-02-25 05:03:28 C 08 38 54.40 +58 21 13.0 V I52
2021-02-26 06:53:23 C 08 36 13.38 +58 37 09.0 V I52
2021-02-26 06:59:37 C 08 36 12.62 +58 37 12.7 V I52
2021-02-26 07:05:51 C 08 36 11.95 +58 37 15.8 V I52
2021-02-26 07:12:05 C 08 36 11.26 +58 37 19.7 V I52
2021-02-26 18:51:09 C 08 35 02.46 +58 44 06.4 V K14
2021-02-26 19:35:46 C 08 34 57.49 +58 44 35.0 V K14
2021-02-26 20:25:50 C 08 34 51.75 +58 44 59.0 V Z99
2021-02-26 20:28:45 C 08 34 51.43 +58 45 01.1 V Z99
2021-02-26 20:31:40 C 08 34 51.03 +58 45 03.0 V Z99
2021-02-26 20:34:35 C 08 34 50.69 +58 45 04.9 V Z99
2021-02-26 20:37:31 C 08 34 50.39 +58 45 06.0 V Z99
2021-02-28 18:44:08 C 08 30 05.92 +59 10 36.4 V A17
2021-02-28 19:01:01 C 08 30 04.03 +59 10 45.8 V A17
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)