516457 (2005 HM3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3100975440 ± 6.15e-08
Semi-major axis (a)1.6783775827 AU ± 2.46e-09
Inclination (i)28.32288669° ± 1.35e-05
Long. of Asc. Node (Ω)209.19207572° ± 4.62e-06
Arg. of Perihelion (ω)4.31882902° ± 2.27e-05
Mean Anomaly (M)168.50081896° ± 1.42e-05
Mean Motion (n)0.4532917040°/day ± 9.97e-10
Perihelion dist (q)1.15791682 AU ± 1.03e-07
Aphelion dist (Q)2.19883835 AU ± 1.03e-07
Orbital Period2.17437530 yr ± 4.78e-09
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.351″
Uncertainty0
Orbit TypeAmor
MOID0.153607 AU
Observations Used146
Oppositions7
Arc Total2005-2018
First Observation Used2005-04-20
Last Observation Used2018-07-04
Observations (152)
Date Type RA Dec Mag Band Observatory
2005-04-21 11:47:22 C 15 36 48.42 -00 27 08.6 r 703
2005-04-22 01:44:01 C 15 38 08.28 +01 13 14.3 r J95
2005-04-22 01:56:52 C 15 38 09.30 +01 14 47.1 r J95
2005-04-22 02:09:31 C 15 38 10.37 +01 16 17.4 r J95
2005-04-25 00:51:13 C 15 44 18.36 +09 24 14.7 r 170
2005-04-25 00:52:35 C 15 44 18.45 +09 24 24.4 r 170
2005-04-25 00:55:33 C 15 44 18.67 +09 24 43.9 r 170
2005-04-26 22:57:12 C 15 47 54.66 +14 16 03.9 c A48
2005-04-26 22:59:20 C 15 47 54.77 +14 16 17.3 c A48
2005-04-26 23:01:29 C 15 47 54.86 +14 16 30.0 c A48
2005-04-29 21:31:38 C 15 52 50.10 +20 54 33.0 o 151
2005-04-29 21:32:53 C 15 52 50.17 +20 54 39.1 o 151
2005-04-29 21:33:05 C 15 52 50.20 +20 54 39.8 o 151
2005-04-30 00:31:52 C 15 53 00.59 +21 10 18.0 r 176
2005-04-30 00:33:06 C 15 53 00.66 +21 10 24.5 r 176
2005-04-30 00:34:19 C 15 53 00.72 +21 10 30.9 r 176
2005-04-30 00:35:34 C 15 53 00.78 +21 10 37.4 r 176
2005-04-30 00:36:49 C 15 53 00.85 +21 10 43.9 r 176
2005-04-30 01:52:02 C 15 53 04.50 +21 17 10.3 c 589
2005-04-30 01:56:37 C 15 53 04.79 +21 17 33.8 c 589
2005-04-30 02:06:36 C 15 53 05.30 +21 18 24.6 c 589
2005-05-01 00:52:00 C 15 54 31.77 +23 12 43.5 d A56
2005-05-01 00:59:35 C 15 54 32.14 +23 13 19.4 d A56
2005-05-01 01:07:45 C 15 54 32.59 +23 14 00.3 d A56
2005-05-01 01:15:57 C 15 54 33.01 +23 14 40.0 d A56
2005-05-02 05:59:00 C 15 56 17.48 +25 29 56.8 c 673
2005-05-02 06:06:00 C 15 56 17.85 +25 30 29.4 c 673
2005-05-02 06:18:00 C 15 56 18.40 +25 31 24.0 c 673
2005-05-02 06:31:00 C 15 56 19.02 +25 32 23.5 c 673
2005-05-05 06:12:31 C 16 00 06.52 +30 28 31.7 r H45
2005-05-05 06:19:41 C 16 00 06.83 +30 28 57.9 r H45
2005-05-05 06:25:12 C 16 00 07.02 +30 29 19.1 r H45
2005-05-07 09:18:04 C 16 02 26.32 +33 26 41.5 r H45
2005-05-07 09:27:16 C 16 02 26.62 +33 27 12.0 r H45
2005-05-07 09:31:01 C 16 02 26.80 +33 27 25.4 r H45
2005-05-07 09:34:56 C 16 02 26.92 +33 27 36.4 r H45
2005-05-13 12:09:30 C 16 07 53.41 +39 54 29.8 o F65
2005-05-13 12:10:45 C 16 07 53.45 +39 54 32.4 o F65
2005-05-13 12:11:59 C 16 07 53.52 +39 54 35.2 o F65
2005-05-15 06:22:44 C 16 09 10.87 +41 17 47.3 o 699
2005-05-15 07:08:29 C 16 09 11.85 +41 19 16.6 o 699
2005-05-15 07:53:23 C 16 09 12.61 +41 20 40.6 o 699
2005-05-15 08:36:49 C 16 09 13.28 +41 22 00.0 o 699
2005-05-22 23:27:55 C 16 13 34.73 +45 37 21.6 r J95
2005-05-22 23:42:28 C 16 13 34.95 +45 37 36.2 r J95
2005-05-22 23:56:52 C 16 13 35.12 +45 37 51.5 r J95
2005-05-25 21:42:53 C 16 14 54.89 +46 40 38.4 o 198
2005-05-25 21:43:55 C 16 14 54.90 +46 40 39.2 o 198
2005-05-25 21:44:56 C 16 14 54.91 +46 40 40.1 o 198
2005-05-25 21:45:57 C 16 14 54.92 +46 40 40.9 o 198