2015 HC117

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4875946338 ± 3.80e-08
Semi-major axis (a)2.3880799828 AU ± 6.79e-09
Inclination (i)6.15364174° ± 2.58e-06
Long. of Asc. Node (Ω)154.46745092° ± 3.38e-05
Arg. of Perihelion (ω)349.89782734° ± 3.32e-05
Mean Anomaly (M)337.37714129° ± 3.54e-06
Mean Motion (n)0.2670734800°/day ± 1.14e-09
Perihelion dist (q)1.22366510 AU ± 9.09e-08
Aphelion dist (Q)3.55249490 AU ± 9.14e-08
Orbital Period3.69039890 yr ± 1.57e-08
Physical Parameters
H (abs. magnitude)19.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.199″
Uncertainty0
Orbit TypeAmor
MOID0.236634 AU
Observations Used126
Oppositions3
Arc Total2014-2026
First Observation Used
Last Observation Used2026-03-22
Observations (153)
Date Type RA Dec Mag Band Observatory
2025-12-01 13:30:53 C 07 40 11.320 +07 05 41.28 X F52
2025-12-01 13:44:03 C 07 40 12.135 +07 05 35.35 X F52
2025-12-01 14:10:29 C 07 40 13.765 +07 05 23.89 X F52
2025-12-10 12:22:55 C 07 54 07.434 +05 30 47.52 X F51
2025-12-10 12:35:58 C 07 54 08.199 +05 30 41.77 X F51
2025-12-10 12:49:04 C 07 54 08.964 +05 30 36.20 X F51
2025-12-10 13:02:14 C 07 54 09.750 +05 30 30.42 X F51
2025-12-11 11:51:59 C 07 55 35.983 +05 20 38.44 V G96
2025-12-11 11:59:24 C 07 55 36.422 +05 20 35.52 V G96
2025-12-11 12:06:49 C 07 55 36.833 +05 20 32.06 V G96
2025-12-11 12:14:14 C 07 55 37.283 +05 20 29.04 V G96
2025-12-12 13:17:00 C 07 57 12.352 +05 09 53.10 X F52
2025-12-12 13:35:53 C 07 57 13.446 +05 09 45.12 X F52
2025-12-12 13:54:43 C 07 57 14.543 +05 09 37.04 X F52
2025-12-14 10:31:22 C 08 00 02.753 +04 50 57.25 X F52
2025-12-14 10:43:21 C 08 00 03.451 +04 50 52.30 X F52
2025-12-14 10:55:20 C 08 00 04.148 +04 50 47.41 X F52
2025-12-14 11:07:22 C 08 00 04.842 +04 50 42.43 X F52
2026-01-07 10:45:59 C 08 34 38.006 +02 08 07.04 V T05
2026-01-07 10:50:36 C 08 34 38.249 +02 08 06.94 V T05
2026-01-07 10:58:14 C 08 34 38.676 +02 08 06.94 V T05
2026-01-07 11:15:11 C 08 34 39.566 +02 08 05.03 V T05
2026-01-07 20:29:58 C 08 35 13.649 +02 07 43.25 V M22
2026-01-07 20:32:35 C 08 35 13.829 +02 07 42.42 V M22
2026-01-07 21:08:22 C 08 35 15.806 +02 07 40.08 V M22
2026-01-07 21:29:55 C 08 35 17.021 +02 07 39.58 V M22
2026-01-10 23:00:58 C 08 39 41.470 +02 04 49.08 V M22
2026-01-10 23:04:53 C 08 39 41.614 +02 04 48.68 V M22
2026-01-10 23:10:04 C 08 39 41.993 +02 04 49.15 V M22
2026-01-10 23:17:56 C 08 39 42.379 +02 04 48.54 V M22
2026-01-12 12:25:01 C 08 41 56.635 +02 05 07.66 V T08
2026-01-12 12:29:39 C 08 41 56.892 +02 05 07.76 V T08
2026-01-12 12:38:12 C 08 41 57.326 +02 05 08.23 V T08
2026-01-12 13:00:34 C 08 41 58.536 +02 05 08.63 V T08
2015-04-18 03:25:39 C 12 56 34.97 -11 01 23.9 23.1 W84
2015-04-18 03:30:22 C 12 56 34.79 -11 01 22.7 W84
2015-04-18 03:35:02 C 12 56 34.62 -11 01 21.6 W84
2015-04-18 03:39:42 C 12 56 34.43 -11 01 20.4 W84
2015-04-18 03:44:21 C 12 56 34.25 -11 01 19.3 W84
2015-04-19 03:10:24 C 12 55 42.76 -10 55 30.7 22.7 W84
2015-04-19 03:15:00 C 12 55 42.59 -10 55 29.6 W84
2015-04-19 03:19:36 C 12 55 42.41 -10 55 28.5 W84
2015-04-19 03:24:09 C 12 55 42.23 -10 55 27.3 W84
2015-04-19 03:28:52 C 12 55 42.06 -10 55 26.2 W84
2015-04-21 03:14:03 C 12 53 59.91 -10 43 41.6 23.5 W84
2015-04-21 03:18:37 C 12 53 59.78 -10 43 40.5 W84
2015-04-21 03:23:10 C 12 53 59.60 -10 43 39.3 W84
2015-04-21 03:27:53 C 12 53 59.42 -10 43 38.3 W84
2015-04-22 03:12:54 C 12 53 10.18 -10 37 51.4 23.2 W84
2015-04-22 03:17:33 C 12 53 10.01 -10 37 50.2 W84