2018 AF4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1815372899 ± 4.83e-06
Semi-major axis (a)1.2846902353 AU ± 9.52e-06
Inclination (i)7.74767872° ± 1.75e-04
Long. of Asc. Node (Ω)349.96950191° ± 5.77e-05
Arg. of Perihelion (ω)154.34130426° ± 1.59e-04
Mean Anomaly (M)122.71830380° ± 2.16e-02
Mean Motion (n)0.6768846125°/day ± 7.53e-06
Perihelion dist (q)1.05147105 AU ± 9.96e-06
Aphelion dist (Q)1.51790942 AU ± 1.28e-05
Orbital Period1.45612157 yr ± 1.62e-05
Physical Parameters
H (abs. magnitude)24.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.327″
Uncertainty2
Orbit TypeAmor
MOID0.070538 AU
Observations Used65
Oppositions1
Arc Total2018-2018
First Observation Used2018-01-13
Last Observation Used2018-04-08
Observations (65)
Date Type RA Dec Mag Band Observatory
2018-02-26 06:03:32 C 13 25 20.64 +08 25 36.3 U 807
2018-02-26 06:57:26 C 13 25 21.08 +08 20 18.8 o 291
2018-02-26 07:01:01 C 13 25 20.90 +08 20 04.9 o 291
2018-02-26 07:04:36 C 13 25 20.77 +08 19 50.8 o 291
2018-02-27 09:13:41 C 13 24 27.60 +06 36 29.7 o 291
2018-02-27 09:19:40 C 13 24 27.24 +06 36 05.7 o 291
2018-02-27 09:25:39 C 13 24 26.89 +06 35 42.2 o 291
2018-03-07 08:35:05 C 13 15 05.98 -06 10 17.5 o 691
2018-03-07 08:49:13 C 13 15 04.75 -06 11 13.2 o 691
2018-03-22 08:14:44 C 12 45 52.83 -25 46 05.8 U 807
2018-03-22 08:18:09 C 12 45 52.46 -25 46 15.1 U 807
2018-03-22 08:22:02 C 12 45 52.07 -25 46 23.9 U 807
2018-04-08 04:14:32 C 12 14 58.75 -35 51 24.9 u 807
2018-04-08 04:20:46 C 12 14 58.26 -35 51 28.5 u 807
2018-04-08 04:27:53 C 12 14 57.69 -35 51 33.5 u 807