IAA RAS IAA Minor Planet Database

2021 FN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5089777630 ± 8.40e-06
Semi-major axis (a)2.0270603244 AU ± 3.31e-05
Inclination (i)5.66215217° ± 6.87e-05
Long. of Asc. Node (Ω)57.94603211° ± 1.12e-05
Arg. of Perihelion (ω)198.80379674° ± 3.20e-05
Mean Anomaly (M)197.26683102° ± 1.38e-02
Mean Motion (n)0.3415169523°/day ± 8.37e-06
Perihelion dist (q)0.99533170 AU ± 2.36e-05
Aphelion dist (Q)3.05878895 AU ± 5.28e-05
Orbital Period2.88602448 yr ± 7.08e-05
Physical Parameters
H (abs. magnitude)23.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.235″
Uncertainty2
Orbit TypeApollo
MOID0.000744 AU
Observations Used172
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-19
Last Observation Used2021-08-03
Observations (176)
Date Type RA Dec Mag Band Observatory
2021-04-19 06:04:42 C 12 25 13.70 +20 59 50.1 – o 691
2021-04-19 19:53:54 C 12 24 28.53 +21 04 32.4 – V 033
2021-04-19 19:57:13 C 12 24 28.31 +21 04 33.7 – V 033
2021-04-19 20:00:33 C 12 24 28.08 +21 04 34.9 – V 033
2021-04-20 04:45:40 C 12 23 58.36 +21 07 56.4 – V 291
2021-04-20 04:52:14 C 12 23 57.89 +21 07 58.7 – V 291
2021-04-20 04:58:47 C 12 23 57.44 +21 08 01.0 – V 291
2021-04-20 21:09:25 C 12 23 01.36 +21 13 14.7 – V 033
2021-04-20 21:12:45 C 12 23 01.13 +21 13 16.0 – V 033
2021-04-20 21:16:05 C 12 23 00.91 +21 13 17.1 – V 033
2021-04-20 21:19:28 C 12 23 00.64 +21 13 18.2 – V 033
2021-04-21 04:15:25 C 12 22 37.70 +21 15 51.0 – o 691
2021-04-21 04:24:29 C 12 22 37.05 +21 15 54.4 – o 691
2021-04-21 04:33:33 C 12 22 36.40 +21 15 57.4 – o 691
2021-04-25 20:21:14 C 12 15 40.27 +21 45 47.5 – V 033
2021-04-25 20:21:53 C 12 15 40.19 +21 45 47.4 – V 033
2021-04-25 20:22:33 C 12 15 40.14 +21 45 47.6 – V 033
2021-04-25 20:23:27 C 12 15 40.06 +21 45 47.7 – V 033
2021-04-25 20:24:06 C 12 15 40.02 +21 45 48.0 – V 033
2021-04-26 03:27:48 C 12 15 13.13 +21 47 32.9 – V 695
2021-04-26 03:39:23 C 12 15 12.18 +21 47 35.9 – V 695
2021-04-26 03:50:59 C 12 15 11.22 +21 47 38.8 – V 695
2021-04-26 20:50:38 C 12 14 00.75 +21 50 35.5 – V 033
2021-04-26 20:51:48 C 12 14 00.65 +21 50 35.6 – V 033
2021-04-26 20:52:58 C 12 14 00.56 +21 50 35.9 – V 033
2021-04-26 20:54:07 C 12 14 00.48 +21 50 36.2 – V 033
2021-04-26 20:55:17 C 12 14 00.41 +21 50 36.3 – V 033
2021-04-27 20:51:41 C 12 12 20.00 +21 54 36.3 – V 033
2021-04-27 20:53:11 C 12 12 19.89 +21 54 36.6 – V 033
2021-04-27 20:54:41 C 12 12 19.74 +21 54 36.9 – V 033
2021-04-27 20:57:40 C 12 12 19.49 +21 54 37.3 – V 033
2021-04-28 20:12:09 C 12 10 38.92 +21 57 48.6 – V 033
2021-04-28 20:13:19 C 12 10 38.82 +21 57 48.9 – V 033
2021-04-28 20:14:28 C 12 10 38.72 +21 57 49.0 – V 033
2021-04-28 20:15:38 C 12 10 38.62 +21 57 49.4 – V 033
2021-04-28 20:16:48 C 12 10 38.52 +21 57 49.5 – V 033
2021-04-28 20:17:58 C 12 10 38.42 +21 57 49.6 – V 033
2021-04-28 20:19:07 C 12 10 38.33 +21 57 49.6 – V 033
2021-04-28 20:20:17 C 12 10 38.22 +21 57 50.0 – V 033
2021-04-28 20:21:27 C 12 10 38.11 +21 57 50.1 – V 033
2021-04-29 20:07:21 C 12 08 50.55 +22 00 22.2 – V 033
2021-04-29 20:09:30 C 12 08 50.27 +22 00 22.4 – V 033
2021-04-29 20:11:40 C 12 08 50.08 +22 00 22.6 – V 033
2021-04-30 02:36:43 C 12 08 21.06 +22 01 09.4 – q H36
2021-04-30 02:46:52 C 12 08 20.09 +22 01 10.8 – q H36
2021-04-30 02:56:38 C 12 08 19.16 +22 01 11.7 – q H36
2021-04-30 04:47:12 C 12 08 09.63 +22 01 29.5 – V I52
2021-04-30 04:48:18 C 12 08 09.53 +22 01 29.4 – V I52
2021-04-30 04:52:27 C 12 08 09.11 +22 01 29.7 – V I52
2021-04-30 07:31:42 C 12 07 53.64 +22 01 38.1 – o 691