2021 FF1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4958587592 ± 2.00e+00
Semi-major axis (a)1.7929012081 AU ± 3.00e+00
Inclination (i)1.01556889° ± 4.00e+00
Long. of Asc. Node (Ω)345.69183393° ± 5.00e+00
Arg. of Perihelion (ω)145.38892481° ± 6.00e+00
Mean Anomaly (M)355.88803376° ± 7.95e-03
Mean Motion (n)0.4105530800°/day ± 1.03e+00
Perihelion dist (q)0.90387550 AU ± 3.89e+00
Aphelion dist (Q)2.68192810 AU ± 5.74e+00
Orbital Period2.40068270 yr ± 6.03e+00
Physical Parameters
H (abs. magnitude)25.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.299″
Uncertainty1
Orbit TypeApollo
MOID0.002718 AU
Observations Used169
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-04-11
Observations (178)
Date Type RA Dec Mag Band Observatory
2021-03-19 19:42:48 C 10 00 49.54 -01 33 44.7 V K83
2021-03-19 19:45:10 C 10 00 54.77 -01 34 05.9 V K83
2021-03-19 19:51:14 C 10 01 08.19 -01 35 02.4 V K83
2021-03-19 20:23:47 C 10 02 22.61 -01 40 42.7 V Z80
2021-03-19 20:27:56 C 10 02 31.82 -01 41 20.0 V Z80
2021-03-19 20:32:52 C 10 02 42.61 -01 42 04.8 V Z80
2021-03-19 20:37:21 C 10 02 49.28 -01 42 37.2 V K87
2021-03-19 20:41:08 C 10 02 57.52 -01 43 11.9 V K87
2021-03-19 20:48:38 C 10 03 14.21 -01 43 48.9 V K63
2021-03-19 20:51:14 C 10 03 19.88 -01 44 12.7 V K63
2021-03-19 20:52:23 C 10 03 22.18 -01 44 54.2 V K87
2021-03-19 20:53:19 C 10 03 24.41 -01 44 30.0 V K63
2021-03-19 20:55:10 C 10 03 32.90 -01 44 44.2 V 958
2021-03-19 20:58:00 C 10 03 34.53 -01 45 12.9 a 233
2021-03-19 21:02:01 C 10 03 47.79 -01 45 46.8 V 958
2021-03-19 21:03:10 C 10 03 45.65 -01 45 58.8 a 233
2021-03-19 21:05:54 C 10 03 52.23 -01 46 34.2 V 204
2021-03-19 21:06:11 C 10 03 50.94 -01 46 33.5 V L01
2021-03-19 21:06:54 C 10 03 52.49 -01 46 39.9 V L01
2021-03-19 21:07:34 C 10 03 55.19 -01 46 37.8 a 233
2021-03-19 21:08:19 C 10 03 55.58 -01 46 52.9 V L01
2021-03-19 21:08:46 C 10 04 01.97 -01 46 51.8 V I93
2021-03-19 21:08:56 C 10 04 02.74 -01 46 48.7 V 958
2021-03-19 21:09:03 C 10 03 57.12 -01 46 59.3 V L01
2021-03-19 21:09:46 C 10 03 58.67 -01 47 05.7 V L01
2021-03-19 21:10:27 C 10 04 05.65 -01 47 07.2 V I93
2021-03-19 21:12:09 C 10 04 09.32 -01 47 22.4 V I93
2021-03-19 21:13:19 C 10 04 08.25 -01 47 40.9 V 204
2021-03-19 21:20:43 C 10 04 24.23 -01 48 47.2 V 204
2021-03-19 21:27:56 C 10 04 38.63 -01 50 18.7 V 033
2021-03-19 21:28:25 C 10 04 39.68 -01 50 23.1 V 033
2021-03-19 21:28:55 C 10 04 40.71 -01 50 27.6 V 033
2021-03-19 21:31:21 C 10 04 49.82 -01 51 01.6 V Z99
2021-03-19 21:35:19 C 10 04 58.41 -01 51 37.3 V Z99
2021-03-19 21:39:20 C 10 05 07.12 -01 52 12.6 V Z99
2021-03-19 22:44:02 C 10 07 26.04 -02 01 17.1 V Z43
2021-03-19 22:53:28 C 10 07 45.88 -02 02 39.5 V Z43
2021-03-19 23:06:33 C 10 08 08.95 -02 04 17.1 V 203
2021-03-19 23:10:34 C 10 08 17.36 -02 04 51.8 V 203
2021-03-19 23:14:34 C 10 08 25.77 -02 05 26.2 V 203
2021-03-20 01:49:27 C 10 14 21.23 -02 26 32.6 q 734
2021-03-20 01:51:28 C 10 14 25.24 -02 26 49.2 q 734
2021-03-20 01:53:27 C 10 14 29.27 -02 27 05.6 q 734
2021-03-20 01:55:26 C 10 14 33.23 -02 27 22.4 q 734
2021-03-20 01:57:25 C 10 14 37.19 -02 27 38.4 q 734
2021-03-20 02:04:50 C 10 14 51.98 -02 28 39.5 q H36
2021-03-20 02:07:35 C 10 14 57.49 -02 29 01.8 q H36
2021-03-20 02:10:20 C 10 15 02.92 -02 29 24.9 q H36
2021-03-20 02:13:04 C 10 15 08.38 -02 29 47.6 q H36
2021-03-20 03:33:07 C 10 17 51.85 -02 39 56.1 V I52