IAA RAS IAA Minor Planet Database

2023 HJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2945129077 ± 6.30e-05
Semi-major axis (a)1.3130907971 AU ± 1.10e-04
Inclination (i)17.50076626° ± 2.65e-03
Long. of Asc. Node (Ω)212.45180576° ± 5.11e-05
Arg. of Perihelion (ω)308.36943985° ± 2.67e-03
Mean Anomaly (M)285.97490046° ± 8.38e-02
Mean Motion (n)0.6550434975°/day ± 8.27e-05
Perihelion dist (q)0.92636861 AU ± 1.14e-04
Aphelion dist (Q)1.69981299 AU ± 1.65e-04
Orbital Period1.50467303 yr ± 1.90e-04
Physical Parameters
H (abs. magnitude)26.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.353″
Uncertainty2
Orbit TypeApollo
MOID0.007000 AU
Observations Used44
Oppositions1
Arc Total2023-2023
First Observation Used2023-04-24
Last Observation Used2023-04-27
Observations (44)
Date Type RA Dec Mag Band Observatory
2023-04-24 06:48:18 C 12 49 23.170 +14 44 02.00 – V 703
2023-04-24 06:56:01 C 12 49 43.990 +14 48 32.40 – V 703
2023-04-24 07:03:45 C 12 50 05.220 +14 53 06.30 – V 703
2023-04-24 07:11:29 C 12 50 25.800 +14 57 31.20 – V 703
2023-04-24 08:16:39 C 12 53 18.726 +15 34 15.92 – V I52
2023-04-24 08:16:54 C 12 53 19.388 +15 34 24.10 – V I52
2023-04-24 08:17:09 C 12 53 20.040 +15 34 32.27 – V I52
2023-04-24 08:17:24 C 12 53 20.674 +15 34 40.26 – V I52
2023-04-24 09:07:24 C 12 55 31.462 +16 01 51.42 – V I52
2023-04-24 09:07:39 C 12 55 32.084 +16 01 59.59 – V I52
2023-04-24 09:07:54 C 12 55 32.704 +16 02 07.04 – V I52
2023-04-24 09:08:08 C 12 55 33.348 +16 02 14.93 – V I52
2023-04-24 11:27:56 C 13 02 09.80 +17 28 02.6 – V 474
2023-04-24 11:29:10 C 13 02 12.72 +17 28 39.3 – V 474
2023-04-24 11:30:23 C 13 02 15.68 +17 29 15.4 – V 474
2023-04-24 11:31:36 C 13 02 18.66 +17 29 52.2 – V 474
2023-04-24 11:32:49 C 13 02 21.65 +17 30 27.3 – V 474
2023-04-24 20:41:31 C 13 23 42.24 +21 14 09.5 – V M50
2023-04-24 20:52:03 C 13 24 02.84 +21 18 06.9 – V M50
2023-04-24 21:12:51 C 13 24 43.32 +21 25 35.9 – V 104
2023-04-24 21:17:32 C 13 24 52.95 +21 27 00.8 – V 204
2023-04-24 21:17:50 C 13 24 52.90 +21 27 25.4 – V 104
2023-04-24 21:22:45 C 13 25 02.42 +21 29 13.9 – V 104
2023-04-24 21:26:39 C 13 25 10.56 +21 30 22.0 – V 204
2023-04-24 21:35:53 C 13 25 28.31 +21 33 44.3 – V 204
2023-04-24 21:54:05 B 13 26 02.45 +21 40 32.9 – V D03
2023-04-24 21:58:54 B 13 26 11.64 +21 42 17.0 – V D03
2023-04-25 01:06:52 B 13 32 38.950 +22 46 15.78 – X W34
2023-04-25 01:12:43 B 13 32 49.387 +22 48 11.41 – X W34
2023-04-25 01:20:33 B 13 33 03.401 +22 50 47.04 – X W34
2023-04-25 10:18:41 C 13 47 34.216 +25 21 36.18 – V U68
2023-04-25 10:24:20 C 13 47 42.413 +25 22 56.78 – V U68
2023-04-25 10:26:27 C 13 47 41.482 +25 23 42.22 – V I52
2023-04-25 10:29:33 C 13 47 46.000 +25 24 25.16 – V I52
2023-04-25 10:30:48 C 13 47 47.857 +25 24 43.20 – V I52
2023-04-25 10:31:04 C 13 47 48.242 +25 24 46.84 – V I52
2023-04-25 10:54:01 C 13 48 25.559 +25 29 52.25 – V U68
2023-04-25 10:59:40 C 13 48 33.641 +25 31 10.33 – V U68
2023-04-26 06:13:59 C 14 13 13.210 +29 05 46.61 – V I52
2023-04-26 06:15:04 C 14 13 14.257 +29 05 56.11 – V I52
2023-04-26 06:16:10 C 14 13 15.269 +29 06 05.69 – V I52
2023-04-27 11:29:34 C 14 36 39.76 +32 04 50.3 – o 291
2023-04-27 11:32:23 C 14 36 41.46 +32 05 01.7 – o 291
2023-04-27 11:35:12 C 14 36 43.10 +32 05 12.1 – o 291