2021 JF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6040822000
Semi-major axis (a)1.7388846000 AU
Inclination (i)41.60353000°
Long. of Asc. Node (Ω)39.83389000°
Arg. of Perihelion (ω)78.87889000°
Mean Anomaly (M)23.27422000°
Mean Motion (n)0.4298312000°/day
Perihelion dist (q)0.68845540 AU
Aphelion dist (Q)2.78931380 AU
Orbital Period2.29301100 yr
Physical Parameters
H (abs. magnitude)22.54
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.790″
Uncertainty7
Orbit TypeApollo
MOID0.003536 AU
Observations Used36
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-20
Observations (37)
Date Type RA Dec Mag Band Observatory
2021-05-09 05:58:23 C 12 22 31.31 +00 08 55.2 V G96
2021-05-09 06:05:52 C 12 22 30.73 +00 08 18.3 V G96
2021-05-09 06:13:22 C 12 22 30.10 +00 07 41.7 V G96
2021-05-09 06:20:52 C 12 22 29.54 +00 07 03.8 V G96
2021-05-09 08:08:51 C 12 22 21.32 -00 01 50.4 V G96
2021-05-09 08:10:36 C 12 22 21.19 -00 01 59.5 V G96
2021-05-09 08:12:21 C 12 22 21.01 -00 02 07.9 V G96
2021-05-10 03:24:56 C 12 21 05.91 -01 33 41.7 V V06
2021-05-10 03:30:03 C 12 21 05.54 -01 34 05.0 V V06
2021-05-10 03:35:10 C 12 21 05.18 -01 34 28.6 V V06
2021-05-10 03:40:17 C 12 21 04.82 -01 34 52.3 V V06
2021-05-10 05:36:48 C 12 20 56.69 -01 43 45.7 V G96
2021-05-10 05:37:44 C 12 20 56.52 -01 43 51.3 V H01
2021-05-10 05:42:58 C 12 20 56.17 -01 44 15.6 V H01
2021-05-10 05:44:17 C 12 20 56.15 -01 44 20.7 V G96
2021-05-10 05:58:59 C 12 20 55.06 -01 45 28.3 V H01
2021-05-10 06:10:17 C 12 20 54.30 -01 46 20.2 V H01
2021-05-11 04:49:11 C 12 19 35.09 -03 25 36.4 V I52
2021-05-11 04:57:39 C 12 19 34.57 -03 26 11.7 V I52
2021-05-11 05:06:06 C 12 19 34.05 -03 26 48.2 V I52
2021-05-11 05:57:43 C 12 19 30.79 -03 30 25.1 V H01
2021-05-11 06:11:29 C 12 19 29.94 -03 31 22.7 V H01
2021-05-11 06:19:35 C 12 19 29.45 -03 31 56.9 V H01
2021-05-12 21:26:42 C 12 17 35.468 -06 05 20.40 V J04
2021-05-12 21:52:17 C 12 17 34.151 -06 06 53.37 V J04
2021-05-13 08:35:11 C 12 17 06.438 -06 45 23.10 V T12
2021-05-13 08:40:38 C 12 17 06.184 -06 45 42.29 V T12
2021-05-13 08:46:02 C 12 17 05.924 -06 46 01.34 V T12
2021-05-15 09:24:37 C 12 15 23.142 -09 24 55.85 V T12
2021-05-15 09:30:26 C 12 15 22.936 -09 25 13.17 V T12
2021-05-15 09:35:47 C 12 15 22.746 -09 25 29.36 V T12
2021-05-17 02:57:40 C 12 14 19.29 -11 22 23.7 V 807
2021-05-17 03:10:56 C 12 14 18.91 -11 22 58.8 V 807
2021-05-17 03:24:14 C 12 14 18.55 -11 23 34.2 V 807
2021-05-18 21:25:13 C 12 13 33.050 -13 08 55.56 V Z84
2021-05-18 22:29:55 C 12 13 31.819 -13 11 27.14 V Z84
2021-05-20 08:24:08 C 12 13 07.184 -14 27 09.79 V T12