2015 HA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1883215441 ± 1.26e-07
Semi-major axis (a)0.9642349100 AU ± 1.62e-08
Inclination (i)19.86951172° ± 1.55e-05
Long. of Asc. Node (Ω)57.30749148° ± 2.31e-06
Arg. of Perihelion (ω)315.22588907° ± 9.83e-06
Mean Anomaly (M)275.31708878° ± 1.05e-04
Mean Motion (n)1.0409694870°/day ± 2.62e-08
Perihelion dist (q)0.78264870 AU ± 1.22e-07
Aphelion dist (Q)1.14582112 AU ± 1.23e-07
Orbital Period0.94683494 yr ± 2.38e-08
Physical Parameters
H (abs. magnitude)21.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.215″
Uncertainty0
Orbit TypeAten
MOID0.054573 AU
Observations Used412
Oppositions1
Arc Total2015-2016
First Observation Used2015-04-16
Last Observation Used2016-04-22
Observations (442)
Date Type RA Dec Mag Band Observatory
2015-04-19 09:26:52 C 16 58 32.14 +26 04 56.5 o 926
2015-04-19 09:46:53 C 16 58 30.66 +26 04 52.6 o 926
2015-04-19 09:46:58 C 16 58 30.61 +26 04 49.9 L 688
2015-04-19 09:52:11 C 16 58 30.22 +26 04 49.3 L 688
2015-04-19 09:57:23 C 16 58 29.82 +26 04 48.5 L 688
2015-04-19 10:01:41 C 16 58 29.49 +26 04 47.9 L 688
2015-04-19 10:06:53 C 16 58 29.08 +26 04 49.8 o 926
2015-04-19 10:09:59 C 16 58 28.87 +26 04 46.7 L 688
2015-04-19 10:12:36 C 16 58 28.67 +26 04 46.3 L 688
2015-04-19 11:30:32 C 16 58 22.72 +26 04 36.4 o 291
2015-04-19 11:34:22 C 16 58 22.44 +26 04 35.7 o 291
2015-04-19 11:38:11 C 16 58 22.15 +26 04 34.9 o 291
2015-04-21 02:26:22 C 16 55 37.37 +25 57 02.4 q 204
2015-04-21 02:41:57 C 16 55 36.02 +25 56 59.3 q 204
2015-04-21 02:57:06 C 16 55 34.70 +25 56 55.9 q 204
2015-04-21 07:17:12 C 16 55 16.78 +25 56 01.0 q 703
2015-04-21 07:26:35 C 16 55 16.00 +25 55 59.0 q 703
2015-04-21 07:35:58 C 16 55 15.00 +25 55 57.2 q 703
2015-04-21 07:48:08 C 16 55 13.05 +25 55 52.5 u H21
2015-04-21 07:51:38 C 16 55 12.74 +25 55 52.0 u H21
2015-04-21 07:55:16 C 16 55 12.46 +25 55 51.3 u H21
2015-04-21 08:21:31 C 16 55 11.12 +25 55 49.2 o 926
2015-04-21 08:42:02 C 16 55 09.30 +25 55 45.1 o 926
2015-04-21 09:10:37 C 16 55 06.74 +25 55 39.2 o 926
2015-04-22 00:40:24 C 16 53 51.29 +25 51 32.5 u B88
2015-04-22 01:35:15 C 16 53 46.18 +25 51 18.7 u B88
2015-04-22 02:29:06 C 16 53 41.12 +25 51 04.0 u B88
2015-04-22 05:44:46 C 16 53 27.01 +25 50 10.0 t 705
2015-04-22 05:46:38 C 16 53 26.84 +25 50 09.8 t 705
2015-04-22 05:48:30 C 16 53 26.67 +25 50 09.3 t 705
2015-04-22 07:48:52 C 16 53 15.62 +25 49 41.9 o 926
2015-04-22 08:07:28 C 16 53 13.83 +25 49 37.2 o 926
2015-04-22 08:26:04 C 16 53 12.03 +25 49 32.7 o 926
2015-04-23 09:26:31 C 16 50 54.48 +25 41 36.4 u H21
2015-04-23 09:32:12 C 16 50 53.87 +25 41 34.3 u H21
2015-04-23 09:35:55 C 16 50 53.46 +25 41 32.7 u H21
2015-04-23 09:39:51 C 16 50 53.04 +25 41 31.4 u H21
2015-04-23 13:28:42 C 16 50 31.585 +25 40 27.44 t 568
2015-04-23 13:29:25 C 16 50 31.508 +25 40 27.18 t 568
2015-04-24 23:28:59 C 16 47 04.20 +25 26 31.0 q 246
2015-04-24 23:29:30 C 16 47 04.15 +25 26 30.6 q 246
2015-04-24 23:30:28 C 16 47 04.04 +25 26 30.6 q 246
2015-04-24 23:30:56 C 16 47 03.98 +25 26 30.1 q 246
2015-04-24 23:31:34 C 16 47 03.93 +25 26 30.1 q 246
2015-04-24 23:32:19 C 16 47 03.79 +25 26 29.5 q 246
2015-04-24 23:32:49 C 16 47 03.73 +25 26 29.4 q 246
2015-04-25 09:07:24 C 16 45 59.57 +25 22 21.6 o 926
2015-04-25 09:21:16 C 16 45 57.84 +25 22 15.6 o 926
2015-04-25 09:35:09 C 16 45 56.12 +25 22 08.5 o 926
2015-04-27 08:43:10 C 16 40 08.62 +24 56 06.1 u H21