IAA RAS IAA Minor Planet Database

2021 FF

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3546962840 ± 1.63e-04
Semi-major axis (a)1.5364193964 AU ± 3.91e-04
Inclination (i)2.57803488° ± 1.02e-03
Long. of Asc. Node (Ω)10.10939566° ± 3.39e-05
Arg. of Perihelion (ω)137.00339919° ± 4.81e-04
Mean Anomaly (M)178.00526414° ± 3.46e-01
Mean Motion (n)0.5175443887°/day ± 1.98e-04
Perihelion dist (q)0.99145715 AU ± 3.56e-04
Aphelion dist (Q)2.08138165 AU ± 5.86e-04
Orbital Period1.90442850 yr ± 7.27e-04
Physical Parameters
H (abs. magnitude)26.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty3
Orbit TypeApollo
MOID0.022602 AU
Observations Used45
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-18
Last Observation Used2021-04-06
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-03-18 06:57:17 C 11 55 21.40 +19 30 14.8 – V G96
2021-03-18 07:05:25 C 11 55 24.57 +19 28 56.6 – V G96
2021-03-18 07:13:35 C 11 55 27.75 +19 27 38.3 – V G96
2021-03-18 07:21:44 C 11 55 30.91 +19 26 19.7 – V G96
2021-03-18 09:13:27 C 11 56 14.25 +19 08 19.7 – V I52
2021-03-18 09:14:17 C 11 56 14.56 +19 08 12.2 – V I52
2021-03-18 09:15:06 C 11 56 14.89 +19 08 04.2 – V I52
2021-03-18 11:40:26 C 11 57 21.687 +18 45 54.45 – U F52
2021-03-18 11:57:00 C 11 57 27.887 +18 43 15.75 – U F52
2021-03-18 12:13:38 C 11 57 34.092 +18 40 36.96 – U F52
2021-03-18 12:30:18 C 11 57 40.332 +18 37 57.14 – U F52
2021-03-18 21:26:37 C 12 01 43.56 +17 13 22.1 – V L01
2021-03-18 21:28:52 C 12 01 44.36 +17 13 02.3 – V L01
2021-03-18 21:31:05 C 12 01 45.22 +17 12 42.3 – V L01
2021-03-18 21:33:19 C 12 01 46.05 +17 12 21.8 – V L01
2021-03-18 21:35:56 C 12 01 46.99 +17 11 58.7 – V L01
2021-03-18 21:52:43 C 12 01 54.08 +17 09 23.2 – V 204
2021-03-18 22:00:04 C 12 01 56.77 +17 08 17.4 – V 204
2021-03-20 04:29:44 C 12 13 31.74 +12 49 47.9 – V I52
2021-03-20 04:30:21 C 12 13 31.90 +12 49 44.3 – V I52
2021-03-20 04:30:57 C 12 13 32.12 +12 49 39.6 – V I52
2021-03-22 06:10:27 C 12 28 12.99 +06 58 50.8 – V I52
2021-03-22 06:12:53 C 12 28 13.51 +06 58 36.3 – V I52
2021-03-22 06:15:18 C 12 28 14.03 +06 58 21.0 – V I52
2021-03-22 06:17:44 C 12 28 14.53 +06 58 06.0 – V I52
2021-04-01 05:41:40 C 13 04 08.90 -08 04 56.7 – V 291
2021-04-01 05:56:02 C 13 04 09.76 -08 05 28.0 – V 291
2021-04-01 06:10:24 C 13 04 10.57 -08 05 59.1 – V 291
2021-04-01 07:28:08 C 13 04 14.74 -08 08 45.8 – V I52
2021-04-01 07:36:14 C 13 04 15.11 -08 09 03.6 – V I52
2021-04-01 07:42:21 C 13 04 15.42 -08 09 16.9 – V I52
2021-04-01 07:46:43 C 13 04 15.64 -08 09 27.4 – V I52
2021-04-02 08:58:57 C 13 06 12.40 -09 00 11.3 – o 691
2021-04-02 09:23:34 C 13 06 13.59 -09 00 57.9 – o 691
2021-04-02 09:48:09 C 13 06 14.83 -09 01 43.4 – o 691
2021-04-03 06:53:10 C 13 07 49.63 -09 40 23.2 – o 291
2021-04-03 07:00:10 C 13 07 49.88 -09 40 35.5 – o 291
2021-04-03 07:07:08 C 13 07 50.20 -09 40 47.8 – o 291
2021-04-04 07:04:31 C 13 09 23.64 -10 20 58.1 – V G96
2021-04-04 07:12:32 C 13 09 23.89 -10 21 10.5 – V G96
2021-04-04 07:20:33 C 13 09 24.26 -10 21 23.4 – V G96
2021-04-04 07:28:34 C 13 09 24.55 -10 21 36.7 – V G96
2021-04-05 10:13:24 C 13 10 55.42 -11 02 08.9 – o 291
2021-04-05 10:21:52 C 13 10 55.73 -11 02 20.6 – o 291
2021-04-05 10:30:21 C 13 10 56.03 -11 02 32.7 – o 291
2021-04-06 11:58:17 C 13 12 19.513 -11 37 21.00 – U F51
2021-04-06 12:13:25 C 13 12 19.904 -11 37 40.59 – U F51
2021-04-06 12:28:32 C 13 12 20.306 -11 37 59.77 – U F51
2021-04-06 12:43:40 C 13 12 20.734 -11 38 18.81 – U F51