2020 HJ4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5765399924 ± 8.47e-08
Semi-major axis (a)2.0693456924 AU ± 1.93e-08
Inclination (i)1.22353221° ± 8.18e-06
Long. of Asc. Node (Ω)105.19657688° ± 8.38e-04
Arg. of Perihelion (ω)233.27587980° ± 8.38e-04
Mean Anomaly (M)255.41822175° ± 8.27e-06
Mean Motion (n)0.3311026870°/day ± 4.64e-09
Perihelion dist (q)0.87628514 AU ± 1.75e-07
Aphelion dist (Q)3.26240624 AU ± 1.78e-07
Orbital Period2.97679941 yr ± 4.17e-08
Physical Parameters
H (abs. magnitude)20.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.234″
Uncertainty0
Orbit TypeApollo
MOID0.000597 AU
Observations Used82
Oppositions6
Arc Total2014-2023
First Observation Used2014-04-04
Last Observation Used2023-12-18
Observations (83)
Date Type RA Dec Mag Band Observatory
2014-04-04 11:20:23 C 13 52 16.575 -09 18 19.75 V F51
2014-04-04 11:36:44 C 13 52 15.777 -09 18 14.84 V F51
2014-04-24 08:25:03 C 13 25 21.536 -06 38 06.89 V F51
2014-05-25 08:02:32 C 12 47 50.294 -03 04 49.28 V F51
2014-05-25 08:51:58 C 12 47 48.656 -03 04 41.22 V F51
2017-05-17 06:11:56 C 13 06 44.105 -04 52 34.89 V F51
2017-05-17 06:27:41 C 13 06 43.308 -04 52 30.45 V F51
2017-05-17 06:43:29 C 13 06 42.492 -04 52 26.42 V F51
2017-05-17 06:59:17 C 13 06 41.682 -04 52 22.22 V F51
2020-04-16 08:25:56 C 14 04 41.075 -10 18 23.02 V G96
2020-04-19 11:06:46 C 14 00 17.191 -09 53 34.99 U F51
2020-04-19 11:25:04 C 14 00 16.041 -09 53 28.65 U F51
2020-04-19 11:43:19 C 14 00 14.910 -09 53 22.41 U F51
2020-04-19 12:01:35 C 14 00 13.752 -09 53 16.14 U F51
2020-04-20 08:57:24 C 13 58 57.930 -09 46 06.95 U F51
2020-04-20 09:15:31 C 13 58 56.776 -09 46 00.89 U F51
2020-04-20 09:33:38 C 13 58 55.644 -09 45 54.66 U F51
2020-04-20 09:51:47 C 13 58 54.483 -09 45 48.44 U F51
2020-04-21 07:03:40 C 13 57 36.34 -09 38 30.4 V V06
2020-04-21 07:14:31 C 13 57 35.67 -09 38 26.3 V V06
2020-04-21 07:19:44 C 13 57 35.34 -09 38 24.7 V V06
2020-04-21 07:24:58 C 13 57 34.98 -09 38 22.9 V V06
2020-04-21 09:04:23 C 13 57 29.037 -09 37 47.24 U F51
2020-04-21 09:21:43 C 13 57 27.933 -09 37 41.11 U F51
2020-04-21 09:38:59 C 13 57 26.827 -09 37 34.78 U F51
2020-04-22 05:25:08 C 13 56 13.13 -09 30 42.1 u H21
2020-04-22 05:33:54 C 13 56 12.55 -09 30 39.1 u H21
2020-04-22 05:38:17 C 13 56 12.29 -09 30 37.5 u H21
2020-04-22 09:17:13 C 13 55 58.751 -09 29 19.06 U F51
2020-04-22 09:33:58 C 13 55 57.676 -09 29 13.16 U F51
2020-04-22 09:50:42 C 13 55 56.574 -09 29 07.39 U F51
2020-04-25 23:55:52 C 13 50 28.893 -08 58 25.20 V J04
2020-04-26 00:24:44 C 13 50 26.988 -08 58 14.95 V J04
2020-04-26 00:53:12 C 13 50 25.106 -08 58 04.97 V J04
2020-04-26 06:47:00 C 13 50 02.39 -08 55 57.0 V V06
2020-04-26 06:54:20 C 13 50 01.89 -08 55 54.7 V V06
2020-04-26 07:01:41 C 13 50 01.40 -08 55 51.9 V V06
2020-04-26 07:09:02 C 13 50 00.92 -08 55 49.4 V V06
2020-04-26 07:26:32 C 13 49 59.81 -08 55 43.6 V G96
2020-04-26 07:30:18 C 13 49 59.486 -08 55 41.95 V G96
2020-04-26 07:41:32 C 13 49 58.75 -08 55 37.5 V G96
2020-04-29 06:56:37 C 13 45 22.11 -08 29 43.5 V V06
2020-04-29 07:06:27 C 13 45 21.43 -08 29 39.5 V V06
2020-04-29 07:16:18 C 13 45 20.77 -08 29 36.4 V V06
2020-05-23 05:59:21 C 13 11 35.341 -05 23 41.49 V T14
2020-05-23 06:00:43 C 13 11 35.274 -05 23 41.13 V T14
2020-05-23 06:02:05 C 13 11 35.211 -05 23 40.80 V T14
2020-11-17 01:54:23 C 20 31 49.04 -20 55 52.9 V I52
2020-11-17 01:59:13 C 20 31 50.42 -20 55 47.9 V I52
2020-11-17 02:04:04 C 20 31 51.78 -20 55 43.8 V I52