2018 GH4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2897214394 ± 6.46e-04
Semi-major axis (a)1.3864599899 AU ± 1.36e-03
Inclination (i)17.54207100° ± 4.02e-02
Long. of Asc. Node (Ω)207.69000644° ± 3.86e-03
Arg. of Perihelion (ω)274.24086026° ± 2.57e-02
Mean Anomaly (M)299.88091751° ± 2.59e+00
Mean Motion (n)0.6037418263°/day ± 8.87e-04
Perihelion dist (q)0.98477281 AU ± 1.32e-03
Aphelion dist (Q)1.78814717 AU ± 1.97e-03
Orbital Period1.63252940 yr ± 2.40e-03
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-05
RMS Residual0.287″
Uncertainty4
Orbit TypeApollo
MOID0.175092 AU
Observations Used24
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-13
Last Observation Used2018-04-23
Observations (24)
Date Type RA Dec Mag Band Observatory
2018-04-13 11:31:40 C 14 19 20.860 -17 04 55.59 U F51
2018-04-13 11:48:08 C 14 19 19.998 -17 03 59.39 U F51
2018-04-13 12:04:35 C 14 19 19.113 -17 03 02.74 U F51
2018-04-14 06:06:15 C 14 18 34.48 -16 01 28.0 U I52
2018-04-14 06:15:47 C 14 18 34.02 -16 00 55.8 U I52
2018-04-14 07:19:37 C 14 18 29.17 -15 56 41.5 u 807
2018-04-14 07:33:12 C 14 18 28.46 -15 55 55.2 u 807
2018-04-14 07:46:21 C 14 18 27.78 -15 55 10.4 u 807
2018-04-14 12:14:04 C 14 18 16.965 -15 40 37.58 U 568
2018-04-14 12:15:26 C 14 18 16.890 -15 40 32.93 U 568
2018-04-14 12:16:48 C 14 18 16.822 -15 40 28.31 U 568
2018-04-15 05:56:24 C 14 17 32.26 -14 40 50.2 U 807
2018-04-15 06:04:13 C 14 17 31.89 -14 40 23.8 U 807
2018-04-15 06:12:13 C 14 17 31.49 -14 39 57.1 U 807
2018-04-15 10:47:40 C 14 17 18.92 -14 25 20.6 o 291
2018-04-15 10:52:10 C 14 17 18.67 -14 25 05.8 o 291
2018-04-19 09:05:04 C 14 13 28.29 -09 29 33.8 U I52
2018-04-19 09:34:54 C 14 13 26.85 -09 28 05.3 U I52
2018-04-22 10:37:47 C 14 10 41.20 -06 02 58.5 o 691
2018-04-22 10:54:58 C 14 10 40.45 -06 02 12.0 o 691
2018-04-22 11:12:09 C 14 10 39.86 -06 01 25.3 o 691
2018-04-23 04:25:52 C 14 10 06.00 -05 16 21.9 o 291
2018-04-23 04:46:26 C 14 10 05.12 -05 15 29.0 o 291
2018-04-23 05:07:03 C 14 10 04.24 -05 14 36.0 o 291