IAA RAS IAA Minor Planet Database

2019 HG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6540715050 ± 4.99e-07
Semi-major axis (a)2.1666182471 AU ± 1.24e-07
Inclination (i)7.79928949° ± 3.20e-05
Long. of Asc. Node (Ω)45.08666252° ± 3.92e-05
Arg. of Perihelion (ω)265.53518163° ± 1.49e-04
Mean Anomaly (M)356.85894797° ± 7.69e-05
Mean Motion (n)0.3090570690°/day ± 2.66e-08
Perihelion dist (q)0.74949499 AU ± 1.08e-06
Aphelion dist (Q)3.58374150 AU ± 1.10e-06
Orbital Period3.18914007 yr ± 2.74e-07
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.035882 AU
Observations Used51
Oppositions2
Arc Total2019-2022
First Observation Used2019-04-03
Last Observation Used2022-11-27
Observations (52)
Date Type RA Dec Mag Band Observatory
2019-04-03 12:01:31 C 14 12 12.073 -04 26 39.15 – V F51
2019-04-07 11:15:39 C 14 07 59.228 -04 09 19.95 – V F51
2019-04-08 11:31:22 C 14 06 43.811 -04 04 34.07 – V F51
2019-04-08 11:49:27 C 14 06 42.753 -04 04 30.27 – V F51
2019-04-08 12:07:34 C 14 06 41.708 -04 04 26.88 – V F51
2019-04-08 12:25:42 C 14 06 40.695 -04 04 23.26 – V F51
2019-04-09 11:29:55 C 14 05 24.739 -03 59 43.07 – V F51
2019-04-09 11:48:08 C 14 05 23.646 -03 59 39.43 – V F51
2019-04-24 08:22:46 C 13 35 34.238 -02 35 08.80 – U F51
2019-04-24 08:39:28 C 13 35 32.250 -02 35 04.68 – U F51
2019-04-24 08:56:11 C 13 35 30.249 -02 35 00.28 – U F51
2019-04-28 03:25:13 C 13 24 23.51 -02 11 14.7 – U 807
2019-04-28 03:34:01 C 13 24 22.30 -02 11 12.3 – U 807
2019-04-28 03:42:51 C 13 24 21.08 -02 11 10.0 – U 807
2019-04-29 01:49:42 C 13 21 23.99 -02 05 28.4 – u 807
2019-04-29 01:57:57 C 13 21 22.84 -02 05 25.9 – u 807
2019-04-29 02:05:57 C 13 21 21.72 -02 05 23.6 – u 807
2019-04-30 21:08:32 C 13 15 18.31 -01 54 57.8 – V 033
2019-04-30 21:13:40 C 13 15 17.54 -01 54 56.4 – V 033
2019-04-30 21:18:50 C 13 15 16.75 -01 54 55.0 – V 033
2019-04-30 23:22:18 C 13 14 58.21 -01 54 23.6 – V 033
2019-04-30 23:27:29 C 13 14 57.45 -01 54 22.3 – V 033
2019-04-30 23:32:39 C 13 14 56.71 -01 54 21.1 – V 033
2019-04-30 23:38:08 C 13 14 55.86 -01 54 19.7 – V 033
2019-04-30 23:43:17 C 13 14 55.08 -01 54 18.3 – V 033
2019-05-01 04:34:47 C 13 14 13.48 -01 53 00.5 – V I52
2019-05-01 04:39:35 C 13 14 12.85 -01 52 58.1 – V I52
2019-05-01 04:44:22 C 13 14 12.10 -01 52 57.4 – V I52
2019-05-01 04:57:25 C 13 14 10.16 -01 52 53.5 – V I52
2019-05-02 05:59:24 C 13 10 25.64 -01 46 38.6 – o 691
2019-05-02 06:41:52 C 13 10 18.89 -01 46 28.1 – o 691
2019-05-06 08:49:41 C 12 54 21.87 -01 23 18.1 – V I52
2019-05-06 08:54:29 C 12 54 21.04 -01 23 16.3 – V I52
2019-05-06 08:59:17 C 12 54 20.13 -01 23 15.1 – V I52
2019-05-06 09:04:05 C 12 54 19.30 -01 23 14.0 – V I52
2019-05-11 06:15:41 C 12 32 34.743 -00 59 34.67 – U F51
2019-05-11 06:30:36 C 12 32 31.677 -00 59 31.99 – U F51
2019-05-11 06:45:34 C 12 32 28.565 -00 59 29.33 – U F51
2019-05-11 07:00:33 C 12 32 25.415 -00 59 26.73 – U F51
2019-05-23 00:53:57 C 11 26 42.25 -00 31 23.5 – u 807
2019-05-23 01:07:20 C 11 26 38.51 -00 31 23.3 – u 807
2019-05-23 01:20:43 C 11 26 34.77 -00 31 23.3 – u 807
2019-05-25 04:54:30 C 11 12 16.55 -00 32 05.2 – o 691
2019-05-25 05:18:22 C 11 12 09.54 -00 32 06.1 – o 691
2019-05-25 05:42:19 C 11 12 02.53 -00 32 05.9 – o 691
2019-05-26 03:43:16 C 11 05 42.80 -00 32 33.1 – o 291
2019-05-26 03:47:32 C 11 05 41.53 -00 32 33.3 – o 291
2019-05-26 03:51:50 C 11 05 40.24 -00 32 33.7 – o 291
2022-11-26 05:14:42 C 23 02 47.174 -08 33 40.67 – V T14
2022-11-26 05:17:26 C 23 02 47.791 -08 33 34.86 – V T14