2015 HE1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4924503084 ± 2.00e+00
Semi-major axis (a)1.4233973680 AU ± 3.00e+00
Inclination (i)3.46805821° ± 4.00e+00
Long. of Asc. Node (Ω)212.12952031° ± 5.00e+00
Arg. of Perihelion (ω)79.34482884° ± 6.00e+00
Mean Anomaly (M)55.59659787° ± 2.31e-01
Mean Motion (n)0.5803763900°/day ± 1.83e+00
Perihelion dist (q)0.72249570 AU ± 3.23e+00
Aphelion dist (Q)2.12432130 AU ± 5.31e+00
Orbital Period1.69822150 yr ± 5.37e+00
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.409″
Uncertainty3
Orbit TypeApollo
MOID0.002262 AU
Observations Used40
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-04-20
Observations (40)
Date Type RA Dec Mag Band Observatory
2015-04-18 07:21:31 C 12 04 30.171 -13 58 10.33 L F51
2015-04-18 07:52:06 C 12 03 54.743 -13 56 37.82 L F51
2015-04-18 08:07:26 C 12 03 36.805 -13 55 50.08 L F51
2015-04-19 02:58:22 C 11 37 11.81 -12 32 21.6 o 926
2015-04-19 03:02:13 C 11 37 04.37 -12 31 57.1 o 926
2015-04-19 03:06:03 C 11 36 56.87 -12 31 34.6 o 926
2015-04-19 03:34:17 C 11 36 01.31 -12 29 02.4 L 688
2015-04-19 03:34:44 C 11 36 00.40 -12 28 59.3 L 688
2015-04-19 03:34:57 C 11 35 59.96 -12 28 58.1 L 688
2015-04-19 03:35:57 C 11 35 57.97 -12 28 51.6 L 688
2015-04-19 03:36:11 C 11 35 57.54 -12 28 50.4 L 688
2015-04-19 03:36:38 C 11 35 56.63 -12 28 47.5 L 688
2015-04-19 05:36:56 C 11 31 49.55 -12 15 19.0 o 291
2015-04-19 05:37:55 C 11 31 47.44 -12 15 12.2 o 291
2015-04-19 05:39:01 C 11 31 45.13 -12 15 04.5 o 291
2015-04-19 06:10:18 C 11 30 37.66 -12 11 20.1 o 926
2015-04-19 06:18:01 C 11 30 20.93 -12 10 24.3 o 926
2015-04-19 19:46:14 C 10 55 26.68 -10 01 12.8 r 106
2015-04-19 19:50:35 C 10 55 11.78 -10 00 16.6 r 106
2015-04-19 19:52:45 C 10 55 04.26 -09 59 48.3 r 106
2015-04-19 19:54:56 C 10 54 56.82 -09 59 19.3 r 106
2015-04-19 19:57:06 C 10 54 49.32 -09 58 51.2 r 106
2015-04-19 20:14:55 C 10 53 54.74 -09 55 23.8 q J95
2015-04-19 20:24:01 C 10 53 23.09 -09 53 23.7 q J95
2015-04-19 20:29:30 C 10 53 03.89 -09 52 09.6 q J95
2015-04-19 20:36:58 C 10 52 37.55 -09 49 48.0 q I93
2015-04-19 20:37:54 C 10 52 34.44 -09 50 16.5 q J95
2015-04-19 20:48:53 C 10 51 55.16 -09 47 05.8 q I93
2015-04-19 20:56:24 C 10 51 28.31 -09 45 22.7 q I93
2015-04-19 22:31:20 C 10 45 34.00 -09 22 36.8 q 204
2015-04-19 22:39:05 C 10 45 04.62 -09 20 38.7 q 204
2015-04-19 22:50:48 C 10 44 19.92 -09 17 39.3 q 204
2015-04-19 22:58:24 C 10 43 50.86 -09 15 41.3 q 204
2015-04-20 03:32:22 C 10 25 40.85 -07 55 42.8 o 291
2015-04-20 03:33:37 C 10 25 35.07 -07 55 18.9 o 291
2015-04-20 03:34:55 C 10 25 29.03 -07 54 54.2 o 291
2015-04-20 20:54:05 C 08 37 08.09 +00 29 19.7 q J95
2015-04-20 21:04:45 C 08 35 39.63 +00 36 22.2 q J95
2015-04-20 21:11:53 C 08 34 40.32 +00 41 05.8 q J95
2015-04-20 21:18:42 C 08 33 43.60 +00 45 36.3 q J95