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
2021-03-19 08:15:56 C 12 50 03.48 +14 29 42.4 V G96
2021-03-19 08:23:30 C 12 50 03.37 +14 29 46.1 V G96
2021-03-19 08:31:05 C 12 50 03.21 +14 29 50.0 V G96
2021-03-19 08:38:42 C 12 50 03.10 +14 29 54.5 V G96
2021-04-05 07:17:51 C 12 40 41.59 +18 19 19.0 V G96
2021-04-05 07:26:10 C 12 40 41.22 +18 19 23.5 V G96
2021-04-05 07:34:30 C 12 40 40.83 +18 19 28.1 V G96
2021-04-05 07:42:50 C 12 40 40.38 +18 19 32.8 V G96
2021-04-05 09:38:53 C 12 40 35.21 +18 20 35.3 V G96
2021-04-05 09:39:58 C 12 40 35.16 +18 20 36.0 V G96
2021-04-05 09:41:03 C 12 40 35.10 +18 20 36.1 V G96
2021-04-06 03:10:42 C 12 39 59.47 +18 30 14.4 V G96
2021-04-06 03:14:12 C 12 39 59.30 +18 30 16.4 V G96
2021-04-06 03:17:43 C 12 39 59.17 +18 30 18.3 V G96
2021-04-06 03:18:47 C 12 39 58.41 +18 30 17.4 u H21
2021-04-06 03:46:46 C 12 39 57.15 +18 30 33.1 u H21
2021-04-07 04:23:41 C 12 39 01.03 +18 44 04.1 V I52
2021-04-07 04:28:32 C 12 39 00.80 +18 44 06.8 V I52
2021-04-07 04:33:22 C 12 39 00.57 +18 44 09.1 V I52
2021-04-07 04:38:13 C 12 39 00.35 +18 44 12.3 V I52
2021-04-07 04:49:03 C 12 38 58.94 +18 44 15.8 u H21
2021-04-07 04:59:31 C 12 38 58.44 +18 44 21.8 u H21
2021-04-08 07:47:11 C 12 37 53.38 +18 58 52.1 o 691
2021-04-08 07:54:35 C 12 37 53.06 +18 58 55.1 o 691
2021-04-08 08:01:59 C 12 37 52.66 +18 58 59.2 o 691
2021-04-09 11:33:33 C 12 36 43.359 +19 13 37.40 U F51
2021-04-09 11:50:16 C 12 36 42.471 +19 13 45.73 U F51
2021-04-09 12:07:00 C 12 36 41.598 +19 13 54.03 U F51
2021-04-09 12:23:42 C 12 36 40.733 +19 14 02.05 U F51
2021-04-10 23:33:16 C 12 35 11.028 +19 32 02.84 V J04
2021-04-10 23:41:12 C 12 35 10.588 +19 32 06.45 V J04
2021-04-10 23:49:08 C 12 35 10.145 +19 32 10.79 V J04
2021-04-13 04:43:54 C 12 32 44.52 +19 58 04.4 V I52
2021-04-13 04:47:32 C 12 32 44.30 +19 58 05.9 V I52
2021-04-13 04:53:43 C 12 32 43.92 +19 58 09.0 V I52
2021-04-13 04:58:36 C 12 32 43.66 +19 58 11.4 V I52
2021-04-13 20:36:00 C 12 31 58.44 +20 05 19.3 V 033
2021-04-13 20:40:10 C 12 31 58.23 +20 05 21.1 V 033
2021-04-13 20:44:19 C 12 31 58.00 +20 05 23.1 V 033
2021-04-17 05:00:04 C 12 27 54.15 +20 40 46.0 o 691
2021-04-17 05:17:07 C 12 27 53.02 +20 40 52.9 o 691
2021-04-17 05:34:08 C 12 27 51.90 +20 41 01.1 o 691
2021-04-18 07:33:04 C 12 26 26.81 +20 51 19.0 o 691
2021-04-18 07:57:52 C 12 26 25.14 +20 51 26.8 V G96
2021-04-18 08:04:47 C 12 26 24.67 +20 51 29.4 V G96
2021-04-18 08:10:51 C 12 26 24.32 +20 51 32.6 o 691
2021-04-18 08:11:43 C 12 26 24.25 +20 51 32.1 V G96
2021-04-18 08:18:38 C 12 26 23.77 +20 51 34.5 V G96
2021-04-19 05:48:47 C 12 25 14.86 +20 59 43.9 o 691
2021-04-19 05:58:20 C 12 25 14.14 +20 59 48.0 o 691