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
2021-02-01 11:15:17 C 09 25 33.636 +49 28 22.70 U F51
2021-02-01 11:36:00 C 09 25 32.416 +49 28 45.80 U F51
2021-02-01 11:37:54 C 09 25 32.301 +49 28 47.93 U F51
2021-02-03 06:11:41 C 09 23 18.24 +50 16 10.8 u H21
2021-02-03 06:15:02 C 09 23 18.03 +50 16 14.5 u H21
2021-02-03 06:17:24 C 09 23 17.89 +50 16 17.1 u H21
2021-02-04 10:32:26 C 09 21 39.60 +50 47 33.2 o 291
2021-02-04 10:37:35 C 09 21 39.27 +50 47 39.1 o 291
2021-02-05 12:21:39 C 09 20 05.80 +51 16 00.9 V T08
2021-02-05 12:25:41 C 09 20 05.51 +51 16 05.6 V T08
2021-02-05 12:36:21 C 09 20 04.74 +51 16 17.5 V T08
2021-02-05 12:51:01 C 09 20 03.66 +51 16 31.4 V T08
2021-02-07 05:42:34 C 09 17 26.25 +52 00 45.8 V I52
2021-02-07 05:49:47 C 09 17 25.70 +52 00 53.7 V I52
2021-02-07 05:52:56 C 09 17 25.46 +52 00 57.4 V I52
2021-02-08 06:14:17 C 09 15 44.23 +52 26 56.8 U I41
2021-02-08 06:26:02 C 09 15 43.31 +52 27 09.4 U I41
2021-02-08 07:24:23 C 09 15 38.65 +52 28 12.2 U I41
2021-02-08 07:25:46 C 09 15 38.54 +52 28 13.7 U I41
2021-02-08 07:32:01 C 09 15 37.77 +52 28 21.0 V 703
2021-02-08 07:39:58 C 09 15 37.15 +52 28 29.2 V 703
2021-02-08 07:56:52 C 09 15 35.87 +52 28 50.7 V 703
2021-02-08 08:52:07 C 09 15 31.63 +52 29 44.7 U I41
2021-02-08 09:22:01 C 09 15 29.26 +52 30 15.8 U I41
2021-02-10 03:42:30 C 09 12 24.38 +53 14 24.3 V I52
2021-02-10 03:45:15 C 09 12 24.15 +53 14 27.0 V I52
2021-02-10 03:46:55 C 09 12 24.03 +53 14 29.0 V I52
2021-02-10 04:40:16 C 09 12 19.62 +53 15 26.6 V I52
2021-02-10 20:38:36 C 09 11 05.50 +53 31 43.9 V K14
2021-02-10 22:09:35 C 09 10 57.69 +53 33 18.8 V K14
2021-02-10 22:41:01 C 09 10 55.00 +53 33 51.8 V K14
2021-02-12 06:47:15 C 09 08 19.88 +54 06 05.5 V G96
2021-02-12 06:54:43 C 09 08 19.17 +54 06 12.9 V G96
2021-02-12 07:02:11 C 09 08 18.50 +54 06 20.1 V G96
2021-02-13 19:42:35 C 09 05 14.86 +54 41 49.1 V 204
2021-02-13 19:53:26 C 09 05 13.86 +54 41 59.8 V 204
2021-02-13 20:04:18 C 09 05 12.82 +54 42 10.6 V 204
2021-02-14 19:58:41 C 09 03 07.60 +55 04 43.9 V 595
2021-02-14 20:24:16 C 09 03 05.20 +55 05 08.8 V 595
2021-02-14 20:47:44 C 09 03 02.96 +55 05 30.9 V 595
2021-02-16 08:21:25 C 08 59 50.751 +55 38 06.84 U F51
2021-02-16 08:40:18 C 08 59 48.801 +55 38 24.16 U F51
2021-02-16 08:59:13 C 08 59 46.840 +55 38 41.40 U F51
2021-02-17 01:39:01 C 08 58 15.78 +55 53 15.0 V W33
2021-02-17 01:52:43 C 08 58 14.35 +55 53 26.9 V W33
2021-02-17 02:06:23 C 08 58 12.86 +55 53 39.2 V W33
2021-02-17 02:25:31 C 08 58 11.01 +55 53 56.5 V W34
2021-02-17 02:36:50 C 08 58 09.85 +55 54 07.0 V W34
2021-02-17 02:48:18 C 08 58 08.64 +55 54 17.7 V W34
2021-02-17 09:59:50 C 08 57 26.831 +56 00 39.87 U F51
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)