2018 AB12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2028070906 ± 4.46e-06
Semi-major axis (a)1.0829958970 AU ± 3.52e-06
Inclination (i)12.46159099° ± 2.81e-04
Long. of Asc. Node (Ω)300.00346624° ± 5.02e-05
Arg. of Perihelion (ω)82.55964290° ± 2.08e-04
Mean Anomaly (M)58.72058527° ± 1.37e-02
Mean Motion (n)0.8745246578°/day ± 4.26e-06
Perihelion dist (q)0.86335665 AU ± 5.58e-06
Aphelion dist (Q)1.30263514 AU ± 6.42e-06
Orbital Period1.12704230 yr ± 5.49e-06
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.222″
Uncertainty2
Orbit TypeApollo
MOID0.004280 AU
Observations Used74
Oppositions1
Arc Total2018-2018
First Observation Used2018-01-14
Last Observation Used2018-03-10
Observations (75)
Date Type RA Dec Mag Band Observatory
2018-01-28 07:07:11 C 08 54 36.98 -01 01 30.8 o 291
2018-01-28 07:20:11 C 08 54 33.83 -01 01 58.1 o 291
2018-02-04 05:38:49 C 08 23 44.89 -05 29 53.0 U 807
2018-02-04 05:54:35 C 08 23 42.31 -05 30 12.0 U 807
2018-02-04 06:10:19 C 08 23 39.77 -05 30 30.5 U 807
2018-02-04 07:40:16 C 08 23 27.37 -05 33 17.2 o 291
2018-02-04 08:00:16 C 08 23 24.14 -05 33 40.7 o 291
2018-02-05 04:22:52 C 08 20 30.37 -05 56 54.2 o 291
2018-02-05 04:30:51 C 08 20 29.08 -05 57 03.3 o 291
2018-02-05 04:38:48 C 08 20 27.97 -05 57 11.9 o 291
2018-02-08 07:58:40 C 08 10 51.74 -07 08 42.3 o 291
2018-02-08 08:07:31 C 08 10 50.59 -07 08 49.5 o 291
2018-02-08 08:16:22 C 08 10 49.52 -07 08 56.4 o 291
2018-02-13 03:27:29 C 07 59 49.41 -08 22 21.7 u H21
2018-02-13 03:46:40 C 07 59 47.70 -08 22 31.3 u H21
2018-02-13 04:10:56 C 07 59 45.52 -08 22 43.2 u H21
2018-02-13 09:06:21 C 07 59 22.118 -08 24 50.98 U T12
2018-02-13 09:11:27 C 07 59 21.656 -08 24 53.36 U T12
2018-03-06 03:35:59 C 07 46 11.12 -09 20 18.8 o 695
2018-03-06 04:12:49 C 07 46 11.29 -09 20 15.5 o 695
2018-03-10 03:37:41 C 07 47 46.54 -09 10 13.5 G37
2018-03-10 03:42:56 C 07 47 46.59 -09 10 13.3 G37
2018-03-10 03:48:09 C 07 47 46.67 -09 10 12.1 G37
2018-03-10 03:57:26 C 07 47 46.83 -09 10 11.5 G37
2018-03-10 04:07:39 C 07 47 47.01 -09 10 09.9 G37