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 05:13:56 C 09 22 57.82 +00 58 44.0 V 703
2021-03-19 05:21:22 C 09 23 18.62 +00 57 17.3 V 703
2021-03-19 05:28:48 C 09 23 38.91 +00 55 52.0 V 703
2021-03-19 06:55:16 C 09 28 00.215 +00 40 55.55 V F52
2021-03-19 07:13:20 C 09 28 48.790 +00 37 30.03 V F52
2021-03-19 07:32:15 C 09 29 39.353 +00 33 56.27 V F52
2021-03-19 07:37:39 C 09 29 30.96 +00 31 16.8 V G96
2021-03-19 07:37:47 C 09 29 31.32 +00 31 15.3 V G96
2021-03-19 07:37:55 C 09 29 31.69 +00 31 13.8 V G96
2021-03-19 07:38:03 C 09 29 32.06 +00 31 12.2 V G96
2021-03-19 07:43:11 C 09 29 45.93 +00 30 14.6 V 703
2021-03-19 07:43:26 C 09 29 46.59 +00 30 12.0 V 703
2021-03-19 07:43:41 C 09 29 47.27 +00 30 08.8 V 703
2021-03-19 07:43:56 C 09 29 47.94 +00 30 06.3 V 703
2021-03-19 07:50:50 C 09 30 28.812 +00 30 26.67 V F52
2021-03-19 08:34:01 C 09 32 22.30 +00 22 33.7 V T08
2021-03-19 08:38:40 C 09 32 34.50 +00 21 41.8 V T08
2021-03-19 08:46:17 C 09 32 54.48 +00 20 17.3 V T08
2021-03-19 09:04:57 C 09 33 43.23 +00 16 50.6 V T08
2021-03-19 09:12:10 C 09 33 48.15 +00 12 44.9 17.0 r 718
2021-03-19 09:12:49 C 09 33 49.96 +00 12 37.7 17.1 r 718
2021-03-19 09:13:27 C 09 33 51.62 +00 12 29.3 16.9 r 718
2021-03-19 09:14:06 C 09 33 53.38 +00 12 22.6 16.5 r 718
2021-03-19 10:01:07 C 09 36 26.72 +00 15 30.2 V 474
2021-03-19 10:01:48 C 09 36 28.49 +00 15 22.7 V 474
2021-03-19 10:02:15 C 09 36 29.69 +00 15 17.7 V 474
2021-03-19 13:15:37 C 09 44 53.21 -00 29 48.0 q 900
2021-03-19 13:18:38 C 09 45 00.64 -00 30 19.4 q 900
2021-03-19 13:21:40 C 09 45 08.07 -00 30 50.8 q 900
2021-03-19 18:35:59 C 09 58 17.85 -01 23 55.4 V K74
2021-03-19 18:41:51 C 09 58 31.22 -01 24 50.0 V K74
2021-03-19 18:47:54 C 09 58 44.99 -01 25 46.9 V K74
2021-03-19 18:53:57 C 09 58 58.75 -01 26 44.1 V K74
2021-03-19 19:01:02 C 09 59 14.79 -01 27 50.1 V K74
2021-03-19 19:02:03 C 09 59 17.67 -01 27 58.2 V A17
2021-03-19 19:04:09 C 09 59 21.90 -01 28 19.3 V K74
2021-03-19 19:06:24 C 09 59 27.49 -01 28 38.6 V A17
2021-03-19 19:08:11 C 09 59 32.10 -01 28 22.8 V G17
2021-03-19 19:09:01 C 09 59 32.87 -01 29 04.6 V K74
2021-03-19 19:10:12 C 09 59 36.64 -01 28 42.1 V G17
2021-03-19 19:10:50 C 09 59 37.53 -01 29 20.3 V A17
2021-03-19 19:12:12 C 09 59 41.16 -01 29 00.0 V G17
2021-03-19 19:15:09 C 09 59 47.25 -01 30 00.4 V A17
2021-03-19 19:21:16 C 10 00 03.31 -01 31 06.2 V J95
2021-03-19 19:22:14 C 10 00 02.35 -01 30 46.5 V 595
2021-03-19 19:22:53 C 10 00 06.98 -01 31 21.8 V J95
2021-03-19 19:24:38 C 10 00 10.94 -01 31 37.6 V J95
2021-03-19 19:24:56 C 10 00 08.43 -01 31 11.8 V 595
2021-03-19 19:26:19 C 10 00 14.72 -01 31 53.2 V J95
2021-03-19 19:27:40 C 10 00 14.52 -01 31 37.0 V 595