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
2019-04-29 22:01:54 C 12 39 33.22 +16 06 40.9 V C95
2019-04-29 22:02:07 C 12 39 33.75 +16 06 26.9 V J95
2019-04-29 22:06:43 C 12 39 31.18 +16 05 36.4 V J95
2019-04-29 22:11:25 C 12 39 28.54 +16 04 45.8 V J95
2019-04-29 22:17:44 C 12 39 24.35 +16 03 48.4 V C95
2019-04-29 22:18:00 C 12 39 24.85 +16 03 34.5 V J69
2019-04-29 22:20:50 C 12 39 23.26 +16 03 03.4 V J69
2019-04-29 22:22:59 C 12 39 21.99 +16 02 36.2 V Z99
2019-04-29 22:28:05 C 12 39 19.15 +16 01 40.0 V Z99
2019-04-29 22:29:20 C 12 39 18.51 +16 01 30.7 V J69
2019-04-29 22:33:11 C 12 39 16.35 +16 00 44.2 V Z99
2019-04-29 22:33:34 C 12 39 15.47 +16 00 55.6 V C95
2019-04-29 22:37:51 C 12 39 13.78 +15 59 57.7 V J69
2019-04-29 23:43:34 C 12 38 36.14 +15 48 02.3 V 204
2019-04-29 23:46:29 C 12 38 34.58 +15 47 21.7 V 033
2019-04-29 23:47:44 C 12 38 33.89 +15 47 08.0 V 033
2019-04-29 23:48:58 C 12 38 33.20 +15 46 54.3 V 033
2019-04-29 23:50:12 C 12 38 32.51 +15 46 40.6 V 033
2019-04-29 23:51:47 C 12 38 31.56 +15 46 31.9 V 204
2019-04-30 00:00:00 C 12 38 26.98 +15 45 00.9 V 204
2019-04-30 00:27:12 C 12 38 12.84 +15 39 54.0 V Z80
2019-04-30 00:47:49 C 12 38 01.36 +15 36 05.6 V Z80
2019-04-30 05:12:40 C 12 35 42.35 +14 47 06.6 L 658
2019-04-30 05:13:24 C 12 35 41.95 +14 46 58.3 L 658
2019-04-30 05:14:09 C 12 35 41.53 +14 46 49.7 L 658
2019-04-30 05:14:53 C 12 35 41.13 +14 46 41.6 L 658
2019-04-30 05:16:22 C 12 35 40.31 +14 46 24.7 L 658
2019-04-30 20:41:37 C 12 27 11.60 +11 47 59.6 S K80
2019-04-30 20:59:21 C 12 27 01.39 +11 44 28.6 S K80
2019-04-30 21:48:32 C 12 26 33.57 +11 34 46.2 V K87
2019-04-30 21:51:31 C 12 26 31.84 +11 34 10.5 V K87
2019-04-30 21:54:30 C 12 26 30.12 +11 33 34.8 V K87
2019-04-30 21:57:29 C 12 26 28.39 +11 32 59.4 V K87
2019-04-30 23:30:48 C 12 25 34.83 +11 14 31.5 U 511
2019-04-30 23:31:52 C 12 25 34.20 +11 14 18.3 U 511
2019-04-30 23:32:54 C 12 25 33.60 +11 14 05.8 U 511
2019-04-30 23:33:57 C 12 25 32.99 +11 13 53.2 U 511
2019-04-30 23:35:00 C 12 25 32.36 +11 13 40.1 U 511
2019-04-30 23:36:03 C 12 25 31.80 +11 13 28.4 U 511
2019-04-30 23:37:06 C 12 25 31.17 +11 13 15.3 U 511
2019-04-30 23:38:08 C 12 25 30.57 +11 13 02.8 U 511
2019-04-30 23:40:14 C 12 25 29.35 +11 12 37.5 U 511
2019-04-30 23:41:48 C 12 25 28.48 +11 12 18.8 U 511
2019-04-30 23:42:51 C 12 25 27.82 +11 12 05.2 U 511
2019-04-30 23:43:54 C 12 25 27.25 +11 11 53.2 U 511
2019-04-30 23:44:57 C 12 25 26.66 +11 11 41.0 U 511
2019-04-30 23:46:00 C 12 25 26.04 +11 11 27.9 U 511
2019-05-01 00:31:16 C 12 25 00.13 +11 02 09.6 V 033
2019-05-01 00:32:25 C 12 24 59.46 +11 01 55.6 V 033
2019-05-01 00:33:35 C 12 24 58.81 +11 01 41.5 V 033