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
2015-04-16 11:05:06 C 17 02 26.74 +26 12 11.0 q G96
2015-04-16 11:12:42 C 17 02 26.30 +26 12 10.3 q G96
2015-04-16 11:20:20 C 17 02 25.88 +26 12 09.9 q G96
2015-04-16 11:27:56 C 17 02 25.44 +26 12 09.0 q G96
2015-04-16 18:42:37 C 17 02 05.65 +26 11 31.0 q O75
2015-04-16 18:55:45 C 17 02 04.91 +26 11 30.0 q O75
2015-04-16 19:21:35 C 17 02 03.44 +26 11 29.8 q O75
2015-04-17 07:40:49 C 17 01 27.37 +26 10 39.8 q I52
2015-04-17 07:42:51 C 17 01 27.26 +26 10 39.9 q I52
2015-04-17 07:44:53 C 17 01 27.13 +26 10 39.5 q I52
2015-04-17 07:46:54 C 17 01 27.03 +26 10 39.4 q I52
2015-04-17 09:40:38 C 17 01 20.07 +26 10 34.5 o 926
2015-04-17 10:00:52 C 17 01 18.72 +26 10 32.6 o 926
2015-04-17 10:11:22 C 17 01 17.93 +26 10 31.5 q 448
2015-04-17 10:21:12 C 17 01 17.46 +26 10 31.3 o 926
2015-04-17 10:53:03 C 17 01 15.32 +26 10 27.6 q 448
2015-04-17 11:29:16 C 17 01 13.01 +26 10 23.9 q 448
2015-04-18 02:54:47 C 17 00 23.17 +26 08 50.9 t 493
2015-04-18 04:08:04 C 17 00 18.26 +26 08 42.8 t 493
2015-04-18 04:24:44 C 17 00 17.15 +26 08 40.8 t 493
2015-04-18 04:34:45 C 17 00 16.47 +26 08 39.4 t 493
2015-04-18 07:02:04 C 17 00 10.81 +26 08 21.6 o 926
2015-04-18 07:31:11 C 17 00 08.77 +26 08 19.3 o 926
2015-04-18 07:45:48 C 17 00 06.90 +26 08 16.2 u H21
2015-04-18 07:51:34 C 17 00 06.54 +26 08 15.6 u H21
2015-04-18 07:57:02 C 17 00 06.16 +26 08 15.1 u H21
2015-04-18 07:58:36 C 17 00 06.96 +26 08 17.4 o 926
2015-04-18 08:15:38 C 17 00 05.85 +26 08 15.6 q I52
2015-04-18 08:18:07 C 17 00 05.67 +26 08 15.0 q I52
2015-04-18 08:20:35 C 17 00 05.52 +26 08 15.0 q I52
2015-04-18 08:23:02 C 17 00 05.34 +26 08 14.7 q I52
2015-04-18 09:26:57 C 17 00 01.00 +26 08 09.9 o 926
2015-04-18 09:34:56 C 17 00 00.44 +26 08 09.2 o 926
2015-04-18 09:47:13 C 16 59 59.58 +26 08 08.1 o 926
2015-04-18 09:55:15 C 16 59 59.06 +26 08 07.4 o 926
2015-04-18 10:07:30 C 16 59 58.17 +26 08 06.1 o 926
2015-04-18 10:15:30 C 16 59 57.65 +26 08 05.0 o 926
2015-04-19 01:04:09 C 16 59 04.10 +26 05 56.3 033
2015-04-19 01:07:26 C 16 59 03.88 +26 05 56.0 033
2015-04-19 01:10:45 C 16 59 03.65 +26 05 55.6 033
2015-04-19 01:54:59 C 16 59 00.51 +26 05 49.7 033
2015-04-19 01:58:17 C 16 59 00.28 +26 05 49.4 033
2015-04-19 02:01:37 C 16 59 00.04 +26 05 48.8 033
2015-04-19 02:04:55 C 16 58 59.82 +26 05 48.4 033
2015-04-19 02:08:13 C 16 58 59.57 +26 05 47.9 033
2015-04-19 02:11:31 C 16 58 59.34 +26 05 47.5 033
2015-04-19 08:30:50 C 16 58 36.32 +26 05 02.0 q I52
2015-04-19 08:34:13 C 16 58 36.05 +26 05 01.2 q I52
2015-04-19 08:37:36 C 16 58 35.80 +26 05 00.7 q I52
2015-04-19 08:40:59 C 16 58 35.55 +26 05 00.7 q I52