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
2015-04-27 08:48:02 C 16 40 07.93 +24 56 02.9 u H21
2015-04-27 08:53:11 C 16 40 07.18 +24 55 59.6 u H21
2015-04-27 08:57:32 C 16 40 06.56 +24 55 56.7 u H21
2015-04-27 09:01:36 C 16 40 05.96 +24 55 54.1 u H21
2015-04-27 09:05:31 C 16 40 05.40 +24 55 51.7 u H21
2015-04-27 09:12:43 C 16 40 05.56 +24 55 54.0 q 703
2015-04-27 09:22:08 C 16 40 04.22 +24 55 47.8 q 703
2015-04-27 09:31:33 C 16 40 02.77 +24 55 41.9 q 703
2015-04-27 09:40:57 C 16 40 01.38 +24 55 35.3 q 703
2015-04-27 10:04:13 C 16 39 57.94 +24 55 22.1 o 926
2015-04-27 10:23:05 C 16 39 55.16 +24 55 09.7 o 926
2015-04-27 10:37:36 C 16 39 53.00 +24 55 00.4 o 926
2015-04-28 08:40:31 C 16 36 50.79 +24 39 54.7 L 688
2015-04-28 08:42:44 C 16 36 50.44 +24 39 53.1 L 688
2015-04-28 08:44:57 C 16 36 50.09 +24 39 51.5 L 688
2015-04-28 08:51:30 C 16 36 49.05 +24 39 46.9 L 688
2015-04-28 08:53:43 C 16 36 48.70 +24 39 45.3 L 688
2015-04-28 08:58:18 C 16 36 46.74 +24 39 38.2 q H21
2015-04-28 09:01:30 C 16 36 46.22 +24 39 35.6 q H21
2015-04-28 09:04:43 C 16 36 45.72 +24 39 33.1 q H21
2015-04-28 09:07:55 C 16 36 45.21 +24 39 30.9 q H21
2015-04-28 09:11:07 C 16 36 44.71 +24 39 28.4 q H21
2015-04-29 07:53:20 C 16 33 21.11 +24 21 50.2 u H21
2015-04-29 07:57:28 C 16 33 20.42 +24 21 46.8 u H21
2015-04-29 08:01:44 C 16 33 19.69 +24 21 43.3 u H21
2015-04-29 08:06:00 C 16 33 18.96 +24 21 39.7 u H21
2015-04-29 08:10:05 C 16 33 18.27 +24 21 36.3 u H21
2015-04-29 08:13:50 C 16 33 17.63 +24 21 33.2 u H21
2015-04-29 08:16:51 C 16 33 18.47 +24 21 37.2 o 926
2015-04-29 08:17:35 C 16 33 17.01 +24 21 30.0 u H21
2015-04-29 08:27:25 C 16 33 16.66 +24 21 28.9 o 926
2015-04-29 08:42:49 C 16 33 14.04 +24 21 15.9 o 926
2015-04-29 19:11:23 C 16 31 32.38 +24 12 16.0 q D29
2015-04-29 19:31:03 C 16 31 28.93 +24 11 58.1 q D29
2015-04-30 09:23:00 C 16 29 11.00 +23 59 12.4 q H45
2015-04-30 09:24:53 C 16 29 10.71 +23 59 10.8 q H45
2015-04-30 09:26:37 C 16 29 10.37 +23 59 09.3 q H45
2015-04-30 09:28:11 C 16 29 10.07 +23 59 07.4 q H45
2015-04-30 09:30:05 C 16 29 09.71 +23 59 05.7 q H45
2015-04-30 09:32:04 C 16 29 09.38 +23 59 04.2 q H45
2015-04-30 09:33:44 C 16 29 09.11 +23 59 02.7 q H45
2015-04-30 09:35:29 C 16 29 08.71 +23 59 00.6 q H45
2015-05-01 06:05:20 C 16 25 35.14 +23 38 14.2 u H21
2015-05-01 06:08:17 C 16 25 34.58 +23 38 11.3 u H21
2015-05-01 06:11:13 C 16 25 33.99 +23 38 08.2 u H21
2015-05-01 06:14:10 C 16 25 33.44 +23 38 04.8 u H21
2015-05-01 06:17:06 C 16 25 32.87 +23 38 02.1 u H21
2015-05-01 06:20:03 C 16 25 32.31 +23 37 58.6 u H21
2015-05-01 06:23:23 C 16 25 31.68 +23 37 55.1 u H21
2015-05-01 07:39:35 C 16 25 16.66 +23 36 34.7 u H21