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
2021-03-20 03:33:18 C 10 17 52.18 -02 39 57.5 V I52
2021-03-20 03:33:30 C 10 17 52.56 -02 39 59.2 V I52
2021-03-20 03:33:41 C 10 17 52.94 -02 40 00.6 V I52
2021-03-20 04:03:07 C 10 18 39.70 -02 44 40.9 u H21
2021-03-20 04:04:37 C 10 18 42.56 -02 44 52.9 u H21
2021-03-20 04:06:17 C 10 18 45.74 -02 45 05.9 u H21
2021-03-20 04:08:11 C 10 18 49.37 -02 45 21.0 u H21
2021-03-20 19:20:10 C 10 45 50.15 -04 30 20.3 V L18
2021-03-20 19:22:10 C 10 45 53.11 -04 30 31.3 V L18
2021-03-20 19:24:10 C 10 45 56.10 -04 30 43.1 V L18
2021-03-20 19:26:10 C 10 45 59.07 -04 30 56.0 V L18
2021-03-20 19:28:10 C 10 46 02.02 -04 31 07.7 V L18
2021-03-20 21:44:29 C 10 49 25.08 -04 44 02.6 V 204
2021-03-20 21:51:00 C 10 49 34.30 -04 44 39.2 V 204
2021-03-20 21:57:14 C 10 49 43.11 -04 45 14.6 V 204
2021-03-21 09:29:23 C 11 05 30.81 -05 35 19.8 V 474
2021-03-21 09:32:17 C 11 05 34.21 -05 35 33.1 V 474
2021-03-21 09:35:10 C 11 05 37.60 -05 35 46.3 V 474
2021-03-21 21:50:39 C 11 19 14.81 -06 33 54.4 V L18
2021-03-21 21:51:59 C 11 19 16.09 -06 34 00.3 V L18
2021-03-21 21:53:19 C 11 19 17.31 -06 34 04.9 V L18
2021-03-21 21:54:59 C 11 19 18.91 -06 34 10.8 V L18
2021-03-21 21:56:59 C 11 19 20.87 -06 34 18.0 V L18
2021-03-21 22:46:33 C 11 20 12.18 -06 37 06.0 V 130
2021-03-21 22:50:32 C 11 20 15.91 -06 37 20.4 V 130
2021-03-21 22:57:29 C 11 20 22.51 -06 37 44.8 V 130
2021-03-22 04:00:48 C 11 25 29.41 -06 54 02.8 V I52
2021-03-22 04:01:23 C 11 25 29.92 -06 54 04.6 V I52
2021-03-22 04:01:58 C 11 25 30.43 -06 54 06.5 V I52
2021-03-22 04:02:32 C 11 25 30.91 -06 54 08.6 V I52
2021-03-22 22:17:04 C 11 40 23.98 -07 46 23.3 V 160
2021-03-22 22:21:19 C 11 40 26.86 -07 46 34.6 V 160
2021-03-22 22:25:44 C 11 40 29.81 -07 46 44.3 V 160
2021-03-23 03:07:25 C 11 43 51.17 -07 52 41.9 u 807
2021-03-23 03:10:41 C 11 43 53.18 -07 52 49.1 u 807
2021-03-23 03:14:08 C 11 43 55.33 -07 52 57.0 u 807
2021-03-23 03:17:40 C 11 43 57.51 -07 53 05.1 u 807
2021-03-23 06:46:30 C 11 46 13.35 -08 05 08.0 V G96
2021-03-23 06:53:56 C 11 46 17.72 -08 05 24.0 V G96
2021-03-23 07:01:24 C 11 46 22.10 -08 05 40.2 V G96
2021-03-23 07:03:25 C 11 46 23.31 -08 05 44.4 V 703
2021-03-23 07:08:52 C 11 46 26.48 -08 05 55.9 V G96
2021-03-23 07:10:56 C 11 46 27.73 -08 05 59.7 V 703
2021-03-23 13:45:03 C 11 50 20.51 -08 18 18.8 V T08
2021-03-23 13:50:22 C 11 50 23.50 -08 18 28.6 V T08
2021-03-23 14:00:20 C 11 50 29.04 -08 18 46.8 V T08
2021-03-23 14:14:56 C 11 50 37.28 -08 19 13.1 V T08
2021-03-23 23:12:45 C 11 55 54.76 -08 37 08.3 V Z80
2021-03-23 23:28:10 C 11 56 02.29 -08 37 34.9 V Z80
2021-03-24 22:50:54 C 12 06 57.93 -09 11 01.1 V 204