868894 (2016 HM2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1049770720 ± 5.02e-08
Semi-major axis (a)1.4276429950 AU ± 3.80e-09
Inclination (i)13.15019796° ± 4.53e-06
Long. of Asc. Node (Ω)107.91003848° ± 1.28e-05
Arg. of Perihelion (ω)149.62859126° ± 2.86e-05
Mean Anomaly (M)194.93806125° ± 2.61e-05
Mean Motion (n)0.5778070654°/day ± 2.31e-09
Perihelion dist (q)1.27777321 AU ± 7.17e-08
Aphelion dist (Q)1.57751278 AU ± 7.18e-08
Orbital Period1.70580518 yr ± 6.81e-09
Physical Parameters
H (abs. magnitude)21.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.287″
Uncertainty0
Orbit TypeAmor
MOID0.271180 AU
Observations Used179
Oppositions9
Arc Total2004-2026
First Observation Used2004-05-22
Last Observation Used2026-01-20
Observations (180)
Date Type RA Dec Mag Band Observatory
2016-06-17 04:53:06 C 17 11 44.99 +01 46 41.2 u H21
2016-06-23 00:28:04 C 17 05 16.03 -02 19 41.7 q 204
2016-06-23 00:42:53 C 17 05 15.27 -02 20 08.9 q 204
2016-06-23 00:57:37 C 17 05 14.57 -02 20 35.2 q 204
2016-06-28 04:59:46 C 17 00 19.65 -06 13 20.5 q H21
2016-06-28 05:06:36 C 17 00 19.34 -06 13 33.6 q H21
2016-06-28 05:13:25 C 17 00 19.06 -06 13 46.9 q H21
2016-06-30 06:01:35 C 16 58 40.05 -07 46 51.1 q H21
2016-06-30 06:08:24 C 16 58 39.78 -07 47 03.9 q H21
2016-06-30 06:15:14 C 16 58 39.52 -07 47 17.0 q H21
2016-07-03 05:12:23 C 16 56 38.37 -10 02 28.2 R G45
2016-07-03 05:20:09 C 16 56 38.14 -10 02 43.1 R G45
2016-07-03 05:26:39 C 16 56 37.97 -10 02 55.9 R G45
2016-07-03 05:33:38 C 16 56 37.73 -10 03 08.9 R G45
2016-07-03 05:40:49 C 16 56 37.49 -10 03 22.2 R G45
2016-07-03 05:47:54 C 16 56 37.29 -10 03 35.3 R G45
2016-07-03 05:55:28 C 16 56 37.01 -10 03 50.1 R G45
2016-07-03 06:02:09 C 16 56 36.78 -10 04 02.7 R G45
2016-07-03 06:09:41 C 16 56 36.52 -10 04 17.0 R G45
2016-07-03 06:23:54 C 16 56 36.11 -10 04 43.4 R G45
2016-07-03 06:31:27 C 16 56 35.83 -10 04 58.0 R G45
2016-07-03 07:49:08 C 16 56 33.52 -10 07 24.9 o 691
2016-07-03 08:09:50 C 16 56 32.87 -10 08 04.1 o 691
2016-07-04 05:38:19 C 16 56 02.63 -10 48 45.5 R G45
2016-07-04 06:16:22 C 16 56 01.45 -10 49 57.3 R G45
2016-07-04 06:16:28 C 16 56 01.43 -10 49 57.2 R G45
2016-07-04 06:23:50 C 16 56 01.26 -10 50 10.9 R G45
2016-07-04 06:31:16 C 16 56 01.04 -10 50 25.3 R G45
2016-07-04 06:31:22 C 16 56 01.02 -10 50 25.6 R G45
2016-07-04 06:38:21 C 16 56 00.80 -10 50 38.1 R G45
2016-07-04 06:38:27 C 16 56 00.81 -10 50 38.5 R G45
2016-07-04 06:45:26 C 16 56 00.61 -10 50 51.1 R G45
2016-07-04 06:45:32 C 16 56 00.59 -10 50 52.1 R G45
2016-07-04 06:52:40 C 16 56 00.38 -10 51 05.3 R G45
2016-07-04 06:59:45 C 16 56 00.18 -10 51 18.9 R G45
2016-07-04 06:59:51 C 16 56 00.15 -10 51 18.5 R G45
2016-07-04 07:07:14 C 16 55 59.97 -10 51 32.6 R G45
2016-07-04 07:07:20 C 16 55 59.98 -10 51 33.2 R G45
2018-10-05 14:04:03 C 04 56 22.968 -02 01 50.45 V T12
2018-10-05 14:20:56 C 04 56 23.253 -02 01 55.60 V T12
2018-10-10 14:21:00 C 04 58 05.207 -02 38 12.49 V T12
2018-10-10 14:29:37 C 04 58 05.258 -02 38 15.12 V T12
2018-11-08 07:48:08 C 04 41 17.68 -05 04 54.4 u H21
2018-11-08 07:54:16 C 04 41 17.30 -05 04 54.4 u H21
2018-11-11 06:32:47 C 04 37 02.79 -05 05 54.3 u H21
2018-11-11 06:42:43 C 04 37 02.13 -05 05 54.4 u H21
2018-11-11 06:55:37 C 04 37 01.30 -05 05 54.0 u H21
2018-12-09 03:48:17 C 03 49 10.16 -01 35 08.0 u H21
2018-12-09 03:59:29 C 03 49 09.41 -01 35 01.5 u H21
2018-12-09 04:18:42 C 03 49 08.12 -01 34 49.2 u H21