516976 (2012 HM1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4799185241 ± 8.21e-09
Semi-major axis (a)2.0707113977 AU ± 1.77e-09
Inclination (i)7.55304987° ± 1.80e-06
Long. of Asc. Node (Ω)211.69812878° ± 9.45e-06
Arg. of Perihelion (ω)72.22716046° ± 1.07e-05
Mean Anomaly (M)172.16834710° ± 1.87e-06
Mean Motion (n)0.3307751806°/day ± 4.25e-10
Perihelion dist (q)1.07693864 AU ± 1.70e-08
Aphelion dist (Q)3.06448416 AU ± 1.72e-08
Orbital Period2.97974679 yr ± 3.83e-09
Physical Parameters
H (abs. magnitude)21.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.233″
Uncertainty0
Orbit TypeAmor
MOID0.136540 AU
Observations Used328
Oppositions8
Arc Total2012-2024
First Observation Used2012-04-16
Last Observation Used2024-10-22
Observations (347)
Date Type RA Dec Mag Band Observatory
2024-05-18 09:31:45 C 20 31 58.141 +00 25 21.43 V G96
2024-05-18 09:38:37 C 20 31 59.653 +00 25 34.36 V G96
2024-06-06 13:52:35 C 22 13 32.093 +14 25 07.91 X F52
2024-06-06 14:01:09 C 22 13 33.717 +14 25 20.76 X F52
2024-06-06 14:09:48 C 22 13 35.407 +14 25 34.08 X F52
2024-06-06 14:18:21 C 22 13 37.051 +14 25 47.01 X F52
2024-06-16 10:23:09 C 22 57 39.784 +19 31 30.29 V G96
2024-06-16 10:30:32 C 22 57 40.946 +19 31 36.95 V G96
2024-06-16 10:37:54 C 22 57 42.188 +19 31 45.26 V G96
2024-06-16 10:45:18 C 22 57 43.405 +19 31 53.44 V G96
2024-08-08 13:03:32 C 01 09 21.019 +27 19 20.28 X F52
2024-08-08 13:19:44 C 01 09 21.463 +27 19 17.18 X F52
2024-08-08 13:35:57 C 01 09 21.930 +27 19 14.60 X F52
2024-08-15 11:57:25 C 01 13 27.697 +26 36 52.25 X F52
2024-08-15 12:13:29 C 01 13 27.855 +26 36 47.24 X F52
2024-08-15 12:29:33 C 01 13 28.009 +26 36 42.08 X F52
2024-09-07 11:10:23 C 01 06 02.891 +21 26 59.40 X F52
2024-09-07 11:28:30 C 01 06 02.108 +21 26 45.19 X F52
2024-09-07 11:46:53 C 01 06 01.317 +21 26 30.82 X F52
2024-09-24 08:44:42 C 00 47 32.087 +15 24 33.53 X F52
2024-09-24 09:17:08 C 00 47 30.383 +15 24 03.19 X F52
2024-09-24 09:33:26 C 00 47 29.530 +15 23 48.08 X F52
2024-09-27 07:03:11 C 00 44 09.751 +14 18 24.44 V G96
2024-09-27 07:11:50 C 00 44 09.301 +14 18 16.38 V G96
2024-09-27 07:20:28 C 00 44 08.848 +14 18 08.03 V G96
2024-09-27 07:29:06 C 00 44 08.441 +14 18 00.83 V G96
2024-09-28 08:15:52 C 00 42 59.241 +13 54 56.00 X F51
2024-09-28 08:33:54 C 00 42 58.327 +13 54 39.41 X F51
2024-09-28 08:51:09 C 00 42 57.464 +13 54 23.54 X F51
2024-10-02 15:19:56 C 00 38 20.89 +12 20 37.4 V D29
2024-10-02 15:40:18 C 00 38 19.99 +12 20 19.8 V D29
2024-10-02 16:00:40 C 00 38 19.01 +12 20 02.5 V D29
2024-10-04 06:11:28 C 00 36 42.703 +11 46 11.57 V G96
2024-10-04 06:18:53 C 00 36 42.350 +11 46 05.23 V G96
2024-10-04 06:26:19 C 00 36 42.008 +11 45 59.04 V G96
2024-10-04 06:33:45 C 00 36 41.677 +11 45 52.45 V G96
2024-10-08 07:54:31 C 00 32 55.075 +10 23 14.56 X F52
2024-10-08 08:10:45 C 00 32 54.407 +10 23 01.27 X F52
2024-10-08 08:26:59 C 00 32 53.778 +10 22 47.94 X F52
2024-10-22 06:23:19 C 00 24 12.723 +06 30 47.26 X F52
2024-10-22 06:41:27 C 00 24 12.380 +06 30 36.91 X F52
2024-10-22 06:41:36 C 00 24 11.819 +06 30 34.67 V V00
2024-10-22 06:49:53 C 00 24 11.642 +06 30 29.99 V V00
2024-10-22 06:58:09 C 00 24 11.524 +06 30 25.38 V V00
2024-10-22 06:58:38 C 00 24 12.081 +06 30 27.36 X F52
2024-10-22 07:06:23 C 00 24 11.358 +06 30 20.77 V V00
2024-10-22 07:15:50 C 00 24 11.785 +06 30 17.95 X F52