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
2015-05-27 02:44:20 C 14 44 35.29 +35 00 40.4 u H21
2015-05-27 02:46:53 C 14 44 35.89 +35 00 45.2 u H21
2015-05-28 04:35:18 C 14 51 01.32 +35 46 16.9 q H21
2015-05-28 04:42:51 C 14 51 03.11 +35 46 29.4 q H21
2015-05-28 04:50:24 C 14 51 04.89 +35 46 42.1 q H21
2015-06-02 07:11:05 C 15 22 13.77 +38 38 20.7 o 926
2015-06-02 07:20:45 C 15 22 16.16 +38 38 31.7 o 926
2015-06-02 07:35:02 C 15 22 19.68 +38 38 46.6 o 926
2015-06-21 09:23:01 C 17 06 53.80 +39 57 15.0 q I52
2015-06-21 09:25:09 C 17 06 54.25 +39 57 12.8 q I52
2015-06-21 09:27:18 C 17 06 54.67 +39 57 12.6 q I52
2015-06-21 09:29:26 C 17 06 55.02 +39 57 10.2 q I52
2015-06-26 07:58:42 C 17 27 38.237 +38 34 34.21 L F51
2015-06-26 08:16:28 C 17 27 40.936 +38 34 19.98 L F51
2015-06-26 08:34:22 C 17 27 43.599 +38 34 05.89 L F51
2015-06-26 08:52:13 C 17 27 46.346 +38 33 51.91 L F51