2018 AH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6370991083 ± 1.04e-07
Semi-major axis (a)1.2476692864 AU ± 8.60e-09
Inclination (i)12.52073119° ± 1.29e-05
Long. of Asc. Node (Ω)232.88546947° ± 5.70e-05
Arg. of Perihelion (ω)354.19614198° ± 5.82e-05
Mean Anomaly (M)176.55412656° ± 2.01e-05
Mean Motion (n)0.7072338675°/day ± 7.31e-09
Perihelion dist (q)0.45278030 AU ± 1.29e-07
Aphelion dist (Q)2.04255828 AU ± 1.30e-07
Orbital Period1.39363558 yr ± 1.44e-08
Physical Parameters
H (abs. magnitude)20.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.188001 AU
Observations Used72
Oppositions2
Arc Total2017-2024
First Observation Used2017-12-20
Last Observation Used2024-12-29
Observations (77)
Date Type RA Dec Mag Band Observatory
2018-01-21 02:46:10 C 03 22 52.48 -10 12 26.5 u 807
2018-01-21 02:52:49 C 03 22 51.45 -10 12 30.3 u 807
2018-01-22 02:34:35 C 03 19 20.16 -10 27 00.8 U I52
2018-01-22 02:40:56 C 03 19 19.18 -10 27 02.2 U I52
2018-01-22 02:43:19 C 03 19 18.79 -10 27 02.7 U I52
2018-02-03 01:06:35 C 02 40 05.19 -12 45 23.1 U 807
2018-02-03 01:19:21 C 02 40 03.47 -12 45 27.9 U 807
2018-02-03 01:31:39 C 02 40 01.78 -12 45 33.4 U 807
2018-02-04 01:02:00 C 02 36 58.71 -12 55 11.1 U 807
2018-02-04 01:10:10 C 02 36 57.62 -12 55 14.4 U 807
2018-02-04 01:19:33 C 02 36 56.36 -12 55 18.1 U 807
2022-08-30 11:17:14 C 02 42 08.70 +35 54 07.0 V V06
2022-09-05 10:27:26 C 02 30 39.532 +35 25 11.03 V V06
2022-09-05 10:33:09 C 02 30 39.028 +35 25 09.44 V V06
2022-09-05 10:38:52 C 02 30 38.423 +35 25 08.18 V V06
2022-09-21 07:24:06 C 01 49 13.97 +32 13 46.1 u H21
2022-09-21 07:37:09 C 01 49 12.29 +32 13 36.1 u H21
2022-09-21 07:50:33 C 01 49 10.60 +32 13 25.8 u H21
2022-10-05 06:40:04 C 01 07 40.53 +26 50 00.2 u H21
2022-10-05 06:48:53 C 01 07 39.50 +26 49 49.6 u H21
2022-10-05 07:02:17 C 01 07 37.89 +26 49 33.7 u H21
2024-12-25 01:07:53 C 06 18 30.838 -08 13 29.60 X 033
2024-12-25 01:09:37 C 06 18 30.568 -08 13 32.60 X 033
2024-12-25 01:11:42 C 06 18 30.197 -08 13 37.60 X 033
2024-12-29 09:34:12 C 05 59 02.975 -12 07 26.99 X F51
2024-12-29 09:48:49 C 05 58 59.866 -12 08 00.96 X F51
2024-12-29 10:02:53 C 05 58 56.845 -12 08 34.17 X F51