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
2015-04-29 05:02:04 C 12 46 38.88 +04 18 25.4 q H21
2015-05-06 02:49:31 C 13 05 36.85 +12 26 21.7 u H21
2015-05-06 02:56:55 C 13 05 37.78 +12 26 44.5 u H21
2015-05-06 04:57:53 C 13 05 53.79 +12 33 00.0 o 926
2015-05-06 05:05:25 C 13 05 54.74 +12 33 23.0 o 926
2015-05-06 05:12:56 C 13 05 55.63 +12 33 46.6 o 926
2015-05-06 05:31:12 C 13 05 57.92 +12 34 41.9 o 926
2015-05-06 05:38:21 C 13 05 58.79 +12 35 03.9 o 926
2015-05-06 05:45:32 C 13 05 59.67 +12 35 25.7 o 926
2015-05-06 06:57:58 C 13 06 08.61 +12 39 06.5 o 926
2015-05-06 07:05:29 C 13 06 09.57 +12 39 29.2 o 926
2015-05-06 07:13:00 C 13 06 10.47 +12 39 52.0 o 926
2015-05-07 04:18:36 C 13 09 05.85 +13 44 22.6 u H21
2015-05-07 04:27:06 C 13 09 06.98 +13 44 49.1 u H21
2015-05-07 04:35:44 C 13 09 08.11 +13 45 15.7 u H21
2015-05-07 04:57:00 C 13 09 11.89 +13 46 28.6 o 926
2015-05-07 05:04:31 C 13 09 12.87 +13 46 50.3 o 926
2015-05-07 05:12:02 C 13 09 13.82 +13 47 13.5 o 926
2015-05-08 03:51:07 C 13 12 29.89 +14 56 47.0 o 926
2015-05-08 03:58:39 C 13 12 30.90 +14 57 10.7 o 926
2015-05-08 04:06:10 C 13 12 31.92 +14 57 33.5 o 926
2015-05-09 03:32:29 C 13 16 02.56 +16 09 36.9 q 703
2015-05-09 03:39:41 C 13 16 03.59 +16 09 58.9 q 703
2015-05-09 03:46:54 C 13 16 04.63 +16 10 21.6 q 703
2015-05-09 06:50:57 C 13 16 30.37 +16 19 48.3 t 705
2015-05-09 06:52:52 C 13 16 30.63 +16 19 54.2 t 705
2015-05-09 07:13:14 C 13 16 33.73 +16 20 57.6 o 926
2015-05-09 07:20:45 C 13 16 34.83 +16 21 19.8 o 926
2015-05-09 07:28:17 C 13 16 35.87 +16 21 43.4 o 926
2015-05-13 04:25:55 C 13 32 00.62 +21 04 34.6 q H21
2015-05-13 04:32:48 C 13 32 01.78 +21 04 55.0 q H21
2015-05-13 04:39:41 C 13 32 02.92 +21 05 15.5 q H21
2015-05-14 02:07:00 C 13 35 57.08 +22 09 03.9 u H21
2015-05-14 02:13:57 C 13 35 58.28 +22 09 24.5 u H21
2015-05-14 02:20:19 C 13 35 59.39 +22 09 43.5 u H21
2015-05-18 06:03:24 C 13 55 30.86 +26 53 09.3 o 926
2015-05-18 06:10:55 C 13 55 32.36 +26 53 29.2 o 926
2015-05-18 06:18:27 C 13 55 33.85 +26 53 49.7 o 926
2015-05-19 03:24:19 C 14 00 01.97 +27 50 00.5 u H21
2015-05-19 03:30:27 C 14 00 03.22 +27 50 16.8 u H21
2015-05-19 03:36:18 C 14 00 04.40 +27 50 32.2 u H21
2015-05-19 03:42:35 C 14 00 05.69 +27 50 48.8 u H21
2015-05-19 03:46:55 C 14 00 06.58 +27 51 00.4 u H21
2015-05-25 06:33:45 C 14 33 45.265 +33 35 39.66 L F51
2015-05-25 06:51:59 C 14 33 49.444 +33 36 17.83 L F51
2015-05-25 07:10:09 C 14 33 53.597 +33 36 55.38 L F51
2015-05-25 07:28:18 C 14 33 57.762 +33 37 33.30 L F51
2015-05-27 02:34:21 C 14 44 32.95 +35 00 21.5 u H21
2015-05-27 02:37:05 C 14 44 33.58 +35 00 26.7 u H21
2015-05-27 02:40:43 C 14 44 34.43 +35 00 33.6 u H21