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
2019-05-03 00:00:57 C 12 36 56.75 +23 10 26.4 – V G40
2019-05-03 00:20:55 C 12 36 30.78 +23 10 15.3 – V G40
2019-05-03 00:40:16 C 12 36 05.54 +23 10 04.2 – V G40
2019-05-03 07:18:14 C 12 27 23.66 +23 05 23.6 – V I52
2019-05-03 07:20:47 C 12 27 20.19 +23 05 21.2 – V I52
2019-05-03 07:21:03 C 12 27 19.83 +23 05 20.9 – V I52
2019-05-03 07:21:19 C 12 27 19.46 +23 05 20.6 – V I52
2019-05-04 08:34:15 C 11 50 02.38 +22 24 39.7 – V I52
2019-05-04 08:34:26 C 11 50 02.06 +22 24 38.7 – V I52
2019-05-04 08:34:37 C 11 50 01.73 +22 24 38.2 – V I52
2019-05-04 08:34:48 C 11 50 01.45 +22 24 37.6 – V I52
2019-05-05 00:28:37 C 11 23 15.77 +21 34 03.6 – V Z80
2019-05-05 00:38:56 C 11 22 57.52 +21 33 24.0 – V Z80
2019-05-05 00:51:24 C 11 22 35.42 +21 32 33.8 – V Z80
2019-05-05 03:32:02 C 11 17 56.82 +21 22 30.5 – V V01
2019-05-05 03:44:51 C 11 17 33.51 +21 21 36.3 – V V01
2019-05-05 03:52:42 C 11 17 19.17 +21 21 22.8 – V I52
2019-05-05 03:52:53 C 11 17 18.82 +21 21 22.1 – V I52
2019-05-05 03:53:04 C 11 17 18.49 +21 21 21.5 – V I52
2019-05-05 03:53:15 C 11 17 18.14 +21 21 20.6 – V I52