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
2015-06-04 00:25:50 C 10 33 28.82 -32 43 31.9 u 807
2015-06-04 00:30:04 C 10 33 27.21 -32 43 41.0 u 807
2015-06-04 00:34:18 C 10 33 25.60 -32 43 50.4 u 807
2015-06-05 17:41:20 S 10 19 17.090 -34 08 37.32 L C51
2015-06-05 19:15:46 S 10 18 46.140 -34 11 33.97 L C51
2015-06-05 20:50:12 S 10 18 15.410 -34 14 28.86 L C51
2015-06-06 22:50:55 C 10 10 04.61 -34 59 59.6 u 807
2015-06-06 22:55:12 C 10 10 03.22 -35 00 06.4 u 807
2015-06-06 22:59:32 C 10 10 01.80 -35 00 13.4 u 807
2015-06-06 23:03:55 C 10 10 00.38 -35 00 20.3 u 807
2015-06-06 23:08:15 C 10 09 58.97 -35 00 27.1 u 807
2015-06-07 22:51:42 C 10 02 57.31 -35 37 17.7 u 807
2015-06-07 22:56:07 C 10 02 55.96 -35 37 24.0 u 807
2015-06-07 23:00:35 C 10 02 54.60 -35 37 30.3 u 807
2015-06-11 22:45:46 C 09 38 10.71 -37 32 05.9 u 807
2015-06-11 22:50:02 C 09 38 09.63 -37 32 09.6 u 807
2015-06-11 22:54:34 C 09 38 08.54 -37 32 14.0 u 807
2015-06-11 22:58:47 C 09 38 07.48 -37 32 17.9 u 807
2015-06-11 23:03:28 C 09 38 06.33 -37 32 22.2 u 807
2016-04-21 10:54:09 C 19 44 50.50 -12 30 07.4 o 695
2016-04-21 10:56:33 C 19 44 50.92 -12 30 10.7 o 695
2016-04-21 10:58:15 C 19 44 51.24 -12 30 13.0 o 695
2016-04-21 10:59:57 C 19 44 51.54 -12 30 15.4 o 695
2016-04-21 11:01:58 C 19 44 51.91 -12 30 18.1 o 695
2016-04-21 11:03:40 C 19 44 52.22 -12 30 20.5 o 695
2016-04-21 11:05:23 C 19 44 52.53 -12 30 22.9 o 695
2016-04-21 11:07:22 C 19 44 52.90 -12 30 25.5 o 695
2016-04-21 11:09:04 C 19 44 53.22 -12 30 27.8 o 695
2016-04-21 11:10:46 C 19 44 53.53 -12 30 30.2 o 695
2016-04-21 11:16:46 C 19 44 54.59 -12 30 38.3 o 695
2016-04-21 11:20:46 C 19 44 55.30 -12 30 43.8 o 695
2016-04-21 11:24:47 C 19 44 56.04 -12 30 49.2 o 695
2016-04-22 10:14:43 C 19 49 16.54 -13 02 14.3 o 695
2016-04-22 10:21:31 C 19 49 17.82 -13 02 23.7 o 695
2016-04-22 10:28:18 C 19 49 19.09 -13 02 33.5 o 695
2016-04-22 10:40:40 C 19 49 21.44 -13 02 51.2 o 695
2016-04-22 10:42:46 C 19 49 21.83 -13 02 54.2 o 695
2016-04-22 10:44:51 C 19 49 22.20 -13 02 57.0 o 695
2016-04-22 10:47:46 C 19 49 22.75 -13 03 01.2 o 695
2016-04-22 10:49:52 C 19 49 23.14 -13 03 04.1 o 695
2016-04-22 10:51:56 C 19 49 23.53 -13 03 07.0 o 695
2016-04-22 10:55:04 C 19 49 24.12 -13 03 11.4 o 695