2019 HL4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2618143000
Semi-major axis (a)1.3970480000 AU
Inclination (i)26.61748000°
Long. of Asc. Node (Ω)39.33642000°
Arg. of Perihelion (ω)211.69760000°
Mean Anomaly (M)330.32392000°
Mean Motion (n)0.5968800800°/day
Perihelion dist (q)1.03128090 AU
Aphelion dist (Q)1.76281510 AU
Orbital Period1.65126580 yr
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.550″
Uncertainty6
Orbit TypeAmor
MOID0.054434 AU
Observations Used146
Oppositions1
Arc Total
First Observation Used
Last Observation Used2019-05-06
Observations (146)
Date Type RA Dec Mag Band Observatory
2019-04-14 10:58:42 C 14 51 46.428 +44 42 28.56 V F51
2019-04-14 11:10:25 C 14 51 43.854 +44 42 15.24 V F51
2019-04-14 11:22:04 C 14 51 41.351 +44 42 00.64 V F51
2019-04-16 11:10:45 C 14 41 28.523 +43 33 19.03 V F51
2019-04-16 11:24:32 C 14 41 25.030 +43 32 56.01 V F51
2019-04-16 11:51:53 C 14 41 18.226 +43 32 10.73 V F51
2019-04-28 07:00:23 C 12 59 48.96 +22 37 00.5 V 703
2019-04-28 07:08:00 C 12 59 44.89 +22 35 50.5 V 703
2019-04-28 07:15:38 C 12 59 40.92 +22 34 40.8 V 703
2019-04-28 07:23:15 C 12 59 36.96 +22 33 30.6 V 703
2019-04-28 07:55:20 C 12 59 19.75 +22 28 33.6 V H01
2019-04-28 08:03:03 C 12 59 15.70 +22 27 22.5 V H01
2019-04-28 08:22:16 C 12 59 05.62 +22 24 25.1 V H01
2019-04-28 08:27:04 C 12 59 03.11 +22 23 41.0 V H01
2019-04-28 09:36:07 C 12 58 27.31 +22 13 04.8 V I52
2019-04-28 09:36:23 C 12 58 27.13 +22 13 02.3 V I52
2019-04-28 09:36:39 C 12 58 27.02 +22 13 00.6 V I52
2019-04-28 20:16:04 C 12 53 08.37 +20 32 10.3 V K63
2019-04-28 20:20:25 C 12 53 06.06 +20 31 28.4 V K63
2019-04-28 20:25:22 C 12 53 03.43 +20 30 40.9 V K63
2019-04-28 21:06:50 C 12 52 41.56 +20 23 59.1 q C77
2019-04-28 21:14:48 C 12 52 37.10 +20 22 41.3 q C77
2019-04-28 21:25:18 C 12 52 31.35 +20 20 59.9 q C77
2019-04-29 03:25:27 C 12 49 27.71 +19 21 49.6 V I52
2019-04-29 03:25:49 C 12 49 27.51 +19 21 46.1 V I52
2019-04-29 03:26:09 C 12 49 27.31 +19 21 42.5 V I52
2019-04-29 03:26:30 C 12 49 27.13 +19 21 39.2 V I52
2019-04-29 05:34:50 C 12 48 16.98 +18 59 54.9 V V01
2019-04-29 05:45:15 C 12 48 11.29 +18 58 09.0 V V01
2019-04-29 05:55:39 C 12 48 05.59 +18 56 23.9 V V01
2019-04-29 07:03:54 C 12 47 27.94 +18 45 01.8 V 703
2019-04-29 07:12:05 C 12 47 23.50 +18 43 36.8 V 703
2019-04-29 07:20:16 C 12 47 18.83 +18 42 12.0 V 703
2019-04-29 07:28:27 C 12 47 14.45 +18 40 50.7 V 703
2019-04-29 19:27:26 C 12 40 59.05 +16 34 30.5 V 587
2019-04-29 19:28:12 C 12 40 58.68 +16 34 22.0 V 587
2019-04-29 19:33:34 C 12 40 55.67 +16 33 24.5 V 587
2019-04-29 19:46:09 C 12 40 47.76 +16 31 07.9 o K88
2019-04-29 19:51:55 C 12 40 44.53 +16 30 05.3 o K88
2019-04-29 19:57:41 C 12 40 41.34 +16 29 03.4 o K88
2019-04-29 20:14:15 C 12 40 33.93 +16 26 07.1 q I93
2019-04-29 20:17:57 C 12 40 31.84 +16 25 26.8 q I93
2019-04-29 20:21:48 C 12 40 29.69 +16 24 45.6 q I93
2019-04-29 21:06:14 C 12 40 03.59 +16 16 35.1 S C43
2019-04-29 21:09:11 C 12 40 01.96 +16 16 03.2 S C43
2019-04-29 21:12:07 C 12 40 00.32 +16 15 31.5 S C43
2019-04-29 21:25:35 C 12 39 54.22 +16 13 15.3 V 958
2019-04-29 21:35:53 C 12 39 48.46 +16 11 22.9 V 958
2019-04-29 21:46:04 C 12 39 42.09 +16 09 33.6 V C95
2019-04-29 21:56:34 C 12 39 36.83 +16 07 38.3 V 958