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
2015-04-28 11:28:30 C 15 01 47.34 -02 15 32.5 o 291
2015-04-28 11:37:59 C 15 01 46.90 -02 15 30.4 o 291
2015-04-29 08:02:50 C 15 00 52.64 -02 11 30.0 o 926
2015-04-29 08:22:51 C 15 00 51.65 -02 11 26.0 o 926
2015-04-29 08:47:28 C 15 00 50.49 -02 11 21.3 o 926
2015-05-08 07:42:28 C 14 51 39.70 -01 43 27.0 t 705
2015-05-08 07:44:20 C 14 51 39.61 -01 43 26.9 t 705
2015-05-08 07:46:12 C 14 51 39.54 -01 43 26.8 t 705
2015-05-09 09:35:34 C 14 50 38.40 -01 41 51.3 o 926
2015-05-09 09:56:07 C 14 50 37.53 -01 41 50.2 o 926
2015-05-09 10:13:40 C 14 50 36.82 -01 41 48.7 o 926
2015-05-11 05:57:19 C 14 48 57.50 -01 39 46.3 u 807
2015-05-11 06:06:59 C 14 48 57.13 -01 39 46.3 u 807
2015-05-11 06:16:56 C 14 48 56.71 -01 39 45.6 u 807
2015-05-17 09:45:54 C 14 43 59.01 -01 41 23.1 1 T09
2015-05-17 11:18:58 C 14 43 55.96 -01 41 27.5 1 T09
2015-05-17 11:55:36 C 14 43 54.76 -01 41 29.2 1 T09
2015-05-25 07:48:35 C 14 39 16.735 -01 59 11.00 V F51
2015-05-25 08:07:09 C 14 39 16.331 -01 59 13.49 V F51
2015-05-25 08:25:43 C 14 39 15.909 -01 59 15.90 V F51
2015-05-25 08:44:15 C 14 39 15.493 -01 59 18.18 V F51
2015-05-26 07:43:09 C 14 38 49.995 -02 02 33.33 V F51
2015-05-26 08:01:39 C 14 38 49.612 -02 02 35.87 V F51
2015-05-26 08:20:13 C 14 38 49.225 -02 02 38.64 V F51
2015-05-26 08:38:52 C 14 38 48.834 -02 02 41.18 V F51
2015-05-29 05:19:43 C 14 37 43.27 -02 13 41.2 o 711
2015-05-29 05:26:34 C 14 37 43.20 -02 13 42.3 o 711
2015-05-29 05:33:29 C 14 37 43.08 -02 13 43.7 o 711
2021-10-02 09:44:03 C 02 02 08.012 +04 33 04.11 V F52
2021-10-02 10:00:34 C 02 02 07.445 +04 32 58.37 V F52
2021-10-02 13:42:16 C 02 01 59.773 +04 31 44.84 V F51
2021-10-03 13:06:30 C 02 01 12.499 +04 23 49.63 V F51
2021-10-03 13:23:36 C 02 01 11.894 +04 23 44.23 V F51
2021-10-03 13:40:44 C 02 01 11.268 +04 23 38.37 V F51
2021-10-03 13:57:50 C 02 01 10.670 +04 23 32.25 V F51
2021-10-06 10:27:03 C 01 58 44.254 +03 59 50.44 V F51
2021-10-06 10:43:36 C 01 58 43.567 +03 59 44.62 V F51
2021-10-06 11:00:06 C 01 58 42.951 +03 59 38.93 V F51
2021-10-06 11:16:32 C 01 58 42.358 +03 59 33.72 V F51
2021-11-06 07:11:23 C 01 25 31.831 -00 18 09.50 V F52
2021-11-06 07:31:29 C 01 25 30.915 -00 18 15.17 V F52
2021-11-25 06:30:55 C 01 09 30.273 -01 44 28.33 V F51
2021-11-25 06:46:02 C 01 09 29.887 -01 44 29.64 V F51
2025-11-23 14:49:24 C 07 27 19.701 +08 30 14.43 V F51
2025-11-23 15:02:52 C 07 27 20.576 +08 30 08.39 V F51
2025-11-23 15:16:14 C 07 27 21.454 +08 30 02.52 V F51
2025-11-25 09:06:52 C 07 30 13.774 +08 11 36.60 V I52
2025-11-25 09:12:29 C 07 30 14.152 +08 11 33.97 V I52
2025-11-25 09:18:05 C 07 30 14.533 +08 11 31.34 V I52
2025-11-25 09:23:41 C 07 30 14.897 +08 11 29.18 V I52