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
2015-05-01 07:43:18 C 16 25 15.96 +23 36 30.5 u H21
2015-05-01 07:47:43 C 16 25 15.08 +23 36 25.9 u H21
2015-05-01 07:52:08 C 16 25 14.21 +23 36 20.9 u H21
2015-05-01 07:56:32 C 16 25 13.35 +23 36 16.3 u H21
2015-05-01 08:01:03 C 16 25 12.45 +23 36 11.4 u H21
2015-05-04 04:45:22 C 16 11 09.31 +22 06 41.4 u H21
2015-05-04 04:51:21 C 16 11 07.87 +22 06 32.8 u H21
2015-05-04 04:57:14 C 16 11 06.43 +22 06 24.0 u H21
2015-05-04 06:05:55 C 16 10 49.71 +22 04 39.6 u H21
2015-05-04 06:10:17 C 16 10 48.63 +22 04 33.1 u H21
2015-05-04 06:14:30 C 16 10 47.58 +22 04 26.7 u H21
2015-05-04 06:18:45 C 16 10 46.55 +22 04 20.1 u H21
2015-05-04 06:22:59 C 16 10 45.51 +22 04 13.4 u H21
2015-05-04 06:27:05 C 16 10 44.51 +22 04 07.1 u H21
2015-05-04 06:31:02 C 16 10 43.54 +22 04 01.0 u H21
2015-05-04 06:36:22 C 16 10 42.23 +22 03 52.6 u H21
2015-05-06 06:15:07 C 15 58 52.11 +20 39 23.3 u H21
2015-05-06 06:19:20 C 15 58 50.90 +20 39 15.4 u H21
2015-05-06 06:23:25 C 15 58 49.74 +20 39 07.4 u H21
2015-05-06 06:27:30 C 15 58 48.59 +20 38 59.3 u H21
2015-05-06 06:31:34 C 15 58 47.41 +20 38 51.1 u H21
2015-05-06 06:35:22 C 15 58 46.33 +20 38 43.4 u H21
2015-05-06 06:38:42 C 15 58 45.38 +20 38 37.0 u H21
2015-05-06 08:50:27 C 15 58 07.77 +20 34 09.5 q H21
2015-05-06 08:54:22 C 15 58 06.64 +20 34 01.3 q H21
2015-05-06 08:58:12 C 15 58 05.56 +20 33 53.4 q H21
2015-05-06 09:02:44 C 15 58 04.28 +20 33 44.0 q H21
2015-05-06 09:07:16 C 15 58 02.97 +20 33 34.4 q H21
2015-05-07 03:42:58 C 15 52 58.92 +19 54 03.3 o G48
2015-05-07 03:43:51 C 15 52 58.64 +19 54 00.7 o G48
2015-05-07 03:45:38 C 15 52 58.14 +19 53 57.4 o G48
2015-05-07 03:47:21 C 15 52 57.63 +19 53 53.4 o G48
2015-05-07 06:43:18 C 15 52 03.11 +19 47 21.2 u H21
2015-05-07 06:47:41 C 15 52 01.74 +19 47 12.3 u H21
2015-05-07 06:52:02 C 15 52 00.40 +19 47 02.8 u H21
2015-05-07 06:56:24 C 15 51 59.04 +19 46 52.9 u H21
2015-05-07 07:00:45 C 15 51 57.70 +19 46 43.2 u H21
2015-05-07 20:27:57 C 15 48 02.04 +19 15 00.1 L04
2015-05-07 20:36:49 C 15 47 59.28 +19 14 39.3 L04
2015-05-07 20:44:13 C 15 47 56.97 +19 14 21.7 L04
2015-05-08 22:09:26 C 15 39 58.76 +18 08 50.9 w B49
2015-05-08 22:12:35 C 15 39 57.69 +18 08 42.5 w B49
2015-05-08 22:15:44 C 15 39 56.60 +18 08 33.9 w B49
2015-05-08 23:58:56 C 15 39 20.24 +18 03 43.3 q C47
2015-05-09 00:04:47 C 15 39 18.23 +18 03 27.2 q C47
2015-05-09 00:10:43 C 15 39 16.19 +18 03 10.7 q C47
2015-05-09 00:16:40 C 15 39 14.14 +18 02 53.9 q C47
2015-05-09 00:22:48 C 15 39 12.04 +18 02 37.1 q C47
2015-05-09 08:04:01 C 15 36 39.62 +17 41 14.7 o 691
2015-05-09 08:06:16 C 15 36 38.81 +17 41 08.5 o 691