2015 HL1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5870122427 ± 1.14e-05
Semi-major axis (a)2.7031734743 AU ± 7.37e-05
Inclination (i)12.45162386° ± 1.75e-04
Long. of Asc. Node (Ω)206.76397493° ± 4.83e-05
Arg. of Perihelion (ω)40.57406956° ± 3.49e-05
Mean Anomaly (M)128.60918608° ± 3.58e-02
Mean Motion (n)0.2217692871°/day ± 9.07e-06
Perihelion dist (q)1.11637755 AU ± 4.33e-05
Aphelion dist (Q)4.28996940 AU ± 1.21e-04
Orbital Period4.44437684 yr ± 1.82e-04
Physical Parameters
H (abs. magnitude)21.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.325″
Uncertainty2
Orbit TypeAmor
MOID0.154733 AU
Observations Used159
Oppositions1
Arc Total2015-2015
First Observation Used2015-04-18
Last Observation Used2015-06-26
Observations (166)
Date Type RA Dec Mag Band Observatory
2015-04-20 05:32:01 C 12 30 38.41 -04 43 34.9 q H36
2015-04-20 05:32:55 C 12 30 39.02 -04 43 27.9 o 926
2015-04-20 06:10:51 C 12 30 40.71 -04 42 04.2 q 703
2015-04-20 06:22:00 C 12 30 41.27 -04 41 39.4 q 703
2015-04-20 06:33:06 C 12 30 41.81 -04 41 15.9 q 703
2015-04-20 06:44:11 C 12 30 42.23 -04 40 52.4 q 703
2015-04-20 07:35:55 C 12 30 44.73 -04 38 55.4 q 703
2015-04-20 07:48:59 C 12 30 45.35 -04 38 26.8 q 703
2015-04-20 08:02:04 C 12 30 45.95 -04 37 57.7 q 703
2015-04-21 05:14:17 C 12 32 00.55 -03 50 14.1 o 926
2015-04-21 05:26:34 C 12 32 01.13 -03 49 46.7 o 926
2015-04-21 05:38:50 C 12 32 01.72 -03 49 17.9 o 926
2015-04-22 06:20:51 C 12 33 32.00 -02 51 59.9 o 926
2015-04-22 06:31:15 C 12 33 32.62 -02 51 36.5 o 926
2015-04-22 06:41:40 C 12 33 33.15 -02 51 12.4 o 926
2015-04-23 04:42:02 C 12 35 00.36 -01 58 39.7 o 926
2015-04-23 04:46:09 C 12 34 59.80 -01 58 33.8 u H21
2015-04-23 04:52:35 C 12 35 01.03 -01 58 14.6 o 926
2015-04-23 04:53:51 C 12 35 00.23 -01 58 15.6 u H21
2015-04-23 05:01:49 C 12 35 00.69 -01 57 56.3 u H21
2015-04-23 05:03:08 C 12 35 01.58 -01 57 48.4 o 926
2015-04-24 01:44:26 C 12 36 27.67 -01 06 28.3 u 807
2015-04-24 01:51:30 C 12 36 28.09 -01 06 10.9 u 807
2015-04-24 01:58:22 C 12 36 28.49 -01 05 54.5 u 807
2015-04-24 02:57:43 C 12 36 32.78 -01 04 11.0 u H21
2015-04-24 03:02:18 C 12 36 33.05 -01 03 59.2 u H21
2015-04-24 03:06:04 C 12 36 33.26 -01 03 50.2 u H21
2015-04-24 20:09:18 C 12 37 47.61 -00 21 10.0 q 246
2015-04-24 20:09:46 C 12 37 47.64 -00 21 10.0 q 246
2015-04-24 20:10:07 C 12 37 47.67 -00 21 08.0 q 246
2015-04-24 20:11:50 C 12 37 47.73 -00 21 03.3 q 246
2015-04-24 20:13:23 C 12 37 47.88 -00 21 00.6 q 246
2015-04-24 20:13:47 C 12 37 47.89 -00 20 58.7 q 246
2015-04-24 20:14:16 C 12 37 47.94 -00 20 57.3 q 246
2015-04-25 04:53:31 C 12 38 26.93 +00 01 10.8 o 926
2015-04-25 05:03:14 C 12 38 27.62 +00 01 35.2 o 926
2015-04-25 05:12:55 C 12 38 28.23 +00 02 00.5 o 926
2015-04-26 14:33:06 C 12 41 06.28 +01 28 36.0 q D29
2015-04-26 15:13:45 C 12 41 09.16 +01 30 24.6 q D29
2015-04-27 04:32:29 C 12 42 16.51 +02 05 44.8 q H21
2015-04-27 04:37:20 C 12 42 16.90 +02 05 57.6 q H21
2015-04-27 04:42:10 C 12 42 17.31 +02 06 11.1 q H21
2015-04-28 03:11:08 C 12 44 16.24 +03 07 00.2 u H21
2015-04-28 03:15:08 C 12 44 16.57 +03 07 11.3 u H21
2015-04-28 03:19:08 C 12 44 16.90 +03 07 22.2 u H21
2015-04-28 03:23:01 C 12 44 17.22 +03 07 33.0 u H21
2015-04-28 03:26:46 C 12 44 17.50 +03 07 43.3 u H21
2015-04-28 03:31:15 C 12 44 17.87 +03 07 55.3 u H21
2015-04-29 04:44:33 C 12 46 37.39 +04 17 36.4 q H21
2015-04-29 04:53:21 C 12 46 38.15 +04 18 00.9 q H21