IAA RAS IAA Minor Planet Database

2019 HJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5817751000
Semi-major axis (a)1.3992496000 AU
Inclination (i)26.13339000°
Long. of Asc. Node (Ω)42.96638000°
Arg. of Perihelion (ω)278.66544000°
Mean Anomaly (M)310.15517000°
Mean Motion (n)0.5954718900°/day
Perihelion dist (q)0.58520100 AU
Aphelion dist (Q)2.21329820 AU
Orbital Period1.65517070 yr
Physical Parameters
H (abs. magnitude)22.63
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.720″
Uncertainty6
Orbit TypeApollo
MOID0.003349 AU
Observations Used204
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2019-05-05
Observations (220)
Date Type RA Dec Mag Band Observatory
2019-05-01 05:18:25 C 13 22 39.80 +23 01 22.7 – L 658
2019-05-01 05:19:08 C 13 22 39.15 +23 01 23.0 – L 658
2019-05-01 05:19:52 C 13 22 38.50 +23 01 23.3 – L 658
2019-05-01 05:20:36 C 13 22 37.83 +23 01 23.7 – L 658
2019-05-01 08:22:01 C 13 19 48.87 +23 03 42.4 – V H06
2019-05-01 08:25:33 C 13 19 45.59 +23 03 44.0 – V H06
2019-05-01 20:48:53 C 13 07 55.72 +23 10 01.2 18.6 V 104
2019-05-01 20:53:10 C 13 07 51.29 +23 10 03.3 18.7 V 104
2019-05-01 20:57:27 C 13 07 46.84 +23 10 05.0 18.7 V 104
2019-05-01 21:18:17 C 13 07 25.29 +23 10 07.7 – q 151
2019-05-01 21:19:26 C 13 07 24.09 +23 10 08.1 – q 151
2019-05-01 21:20:34 C 13 07 22.89 +23 10 08.5 – q 151
2019-05-01 21:21:42 C 13 07 21.72 +23 10 09.1 – q 151
2019-05-01 21:22:51 C 13 07 20.56 +23 10 09.9 – q 151
2019-05-01 21:24:00 C 13 07 19.36 +23 10 10.2 – q 151
2019-05-01 21:25:09 C 13 07 18.17 +23 10 10.4 – q 151
2019-05-01 22:14:21 C 13 06 26.74 +23 10 25.6 – V K87
2019-05-01 22:19:18 C 13 06 21.56 +23 10 27.4 – V K87
2019-05-01 22:22:09 C 13 06 18.58 +23 10 28.3 – V K87
2019-05-02 04:23:48 C 12 59 58.29 +23 12 27.8 – u H21
2019-05-02 04:29:59 C 12 59 51.47 +23 12 29.0 – u H21
2019-05-02 04:36:08 C 12 59 44.65 +23 12 29.9 – u H21
2019-05-02 04:42:17 C 12 59 37.86 +23 12 31.3 – u H21
2019-05-02 04:47:37 C 12 59 31.93 +23 12 31.9 – u H21
2019-05-02 09:25:58 C 12 54 23.90 +23 13 42.0 – V T08
2019-05-02 09:42:04 C 12 54 05.28 +23 13 42.4 – V T08
2019-05-02 10:01:14 C 12 53 42.93 +23 13 42.5 – V T08
2019-05-02 10:12:17 C 12 53 29.75 +23 13 38.0 – V T08
2019-05-02 10:40:03 C 12 52 55.19 +23 12 55.4 – V I52
2019-05-02 10:40:19 C 12 52 54.85 +23 12 55.3 – V I52
2019-05-02 10:40:35 C 12 52 54.56 +23 12 55.0 – V I52
2019-05-02 10:40:52 C 12 52 54.23 +23 12 55.2 – V I52
2019-05-02 20:21:30 C 12 41 34.08 +23 11 26.4 – V L01
2019-05-02 20:22:24 C 12 41 32.86 +23 11 26.3 – V L01
2019-05-02 20:23:18 C 12 41 31.73 +23 11 26.4 – V L01
2019-05-02 20:23:54 C 12 41 30.95 +23 11 26.3 – V L01
2019-05-02 20:25:50 C 12 41 28.59 +23 11 25.2 – V L01
2019-05-02 20:26:25 C 12 41 27.83 +23 11 25.1 – V L01
2019-05-02 20:26:44 C 12 41 27.43 +23 11 24.8 – V L01
2019-05-02 20:27:38 C 12 41 26.31 +23 11 24.4 – V L01
2019-05-02 20:27:55 C 12 41 25.94 +23 11 24.2 – V L01
2019-05-02 20:28:14 C 12 41 25.57 +23 11 24.4 – V L01
2019-05-02 20:28:33 C 12 41 25.17 +23 11 24.3 – V L01
2019-05-02 20:28:51 C 12 41 24.82 +23 11 24.2 – V L01
2019-05-02 20:29:08 C 12 41 24.43 +23 11 24.5 – V L01
2019-05-02 20:29:45 C 12 41 23.65 +23 11 24.1 – V L01
2019-05-02 23:50:33 C 12 37 09.45 +23 09 46.6 – V J95
2019-05-02 23:51:50 C 12 37 07.77 +23 09 45.8 – V J95
2019-05-02 23:55:32 C 12 37 03.00 +23 09 43.6 – V J95
2019-05-02 23:56:49 C 12 37 01.36 +23 09 42.9 – V J95