498550 (2008 HV4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2779242183 ± 1.86e-08
Semi-major axis (a)1.4263294280 AU ± 1.43e-09
Inclination (i)20.81526152° ± 6.72e-06
Long. of Asc. Node (Ω)223.98406026° ± 4.77e-06
Arg. of Perihelion (ω)249.53465469° ± 1.13e-05
Mean Anomaly (M)189.11226184° ± 9.33e-06
Mean Motion (n)0.5786054396°/day ± 8.67e-10
Perihelion dist (q)1.02991794 AU ± 2.66e-08
Aphelion dist (Q)1.82274092 AU ± 2.67e-08
Orbital Period1.70345146 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)19.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.351″
Uncertainty0
Orbit TypeAmor
MOID0.173810 AU
Observations Used346
Oppositions7
Arc Total2008-2025
First Observation Used2008-04-30
Last Observation Used2025-06-26
Observations (354)
Date Type RA Dec Mag Band Observatory
2012-11-03 06:12:30 C 00 52 55.75 +19 48 25.4 q H45
2012-11-03 06:14:00 C 00 52 55.70 +19 48 21.1 q H45
2012-11-04 05:11:22 C 00 52 28.36 +18 33 19.8 q H45
2012-11-04 05:12:35 C 00 52 28.32 +18 33 15.5 q H45
2012-11-04 05:15:18 C 00 52 28.22 +18 33 07.0 q H45
2012-11-04 05:17:06 C 00 52 28.17 +18 33 00.6 q H45
2012-11-04 05:18:33 C 00 52 28.14 +18 32 56.0 q H45
2012-11-04 05:20:16 C 00 52 28.08 +18 32 50.6 q H45
2012-11-05 01:41:46 C 00 52 06.97 +17 25 03.5 q I42
2012-11-05 01:47:53 C 00 52 06.79 +17 24 43.5 q I42
2012-11-05 02:03:29 C 00 52 07.14 +17 23 53.3 q H45
2012-11-05 02:05:47 C 00 52 07.08 +17 23 45.8 q H45
2012-11-05 02:07:19 C 00 52 07.05 +17 23 40.9 q H45
2012-11-05 02:08:53 C 00 52 07.03 +17 23 35.6 q H45
2012-11-05 02:10:11 C 00 52 06.99 +17 23 31.3 q H45
2012-11-05 19:11:45 C 00 51 50.19 +16 25 58.2 c A24
2012-11-05 20:23:14 C 00 51 48.64 +16 21 57.0 c A24
2012-11-05 20:24:17 C 00 51 48.65 +16 21 53.6 c A24
2012-11-05 20:25:18 C 00 51 48.63 +16 21 50.2 c A24
2012-11-05 20:26:21 C 00 51 48.61 +16 21 46.7 c A24
2012-11-07 19:30:03 C 00 51 12.42 +13 39 40.4 u 151
2012-11-07 19:33:23 C 00 51 12.38 +13 39 28.6 u 151
2012-11-07 19:36:44 C 00 51 12.34 +13 39 16.9 u 151
2012-11-12 02:46:22 C 00 50 43.10 +07 33 41.9 o G48
2012-11-12 02:48:53 C 00 50 43.06 +07 33 32.7 o G48
2012-11-12 02:51:25 C 00 50 43.03 +07 33 23.9 o G48
2012-11-12 03:39:43 C 00 50 42.75 +07 30 30.3 r 703
2012-11-12 03:47:32 C 00 50 42.68 +07 30 02.3 r 703
2012-11-12 03:55:20 C 00 50 42.64 +07 29 34.5 r 703
2012-11-12 04:03:08 C 00 50 42.57 +07 29 06.8 r 703
2012-11-12 04:49:47 C 00 50 42.25 +07 26 19.7 r 703
2012-11-12 05:00:05 C 00 50 42.18 +07 25 43.6 r 703
2012-11-12 05:10:24 C 00 50 42.07 +07 25 06.6 r 703
2012-11-12 05:20:35 C 00 50 41.96 +07 24 29.7 r 703
2012-11-13 18:41:55 C 00 50 51.08 +05 10 45.3 o B67
2012-11-13 18:52:24 C 00 50 51.11 +05 10 08.2 o B67
2012-11-13 19:03:17 C 00 50 51.11 +05 09 29.9 o B67
2012-11-16 20:33:06 C 00 51 35.47 +00 48 59.9 o 046
2012-11-16 20:35:57 C 00 51 35.49 +00 48 51.2 o 046
2012-11-16 20:37:02 C 00 51 35.49 +00 48 46.8 o 046
2012-11-16 20:39:27 C 00 51 35.53 +00 48 38.0 o 046
2012-11-17 21:41:00 C 00 51 59.46 -00 38 34.3 o 046
2012-11-17 21:42:10 C 00 51 59.46 -00 38 39.3 o 046
2012-11-17 21:46:58 C 00 51 59.54 -00 38 55.4 o 046
2012-11-17 21:48:23 C 00 51 59.51 -00 39 00.1 o 046
2012-11-17 21:49:43 C 00 51 59.60 -00 39 05.1 o 046
2012-11-23 02:44:55 C 00 55 10.02 -07 35 48.1 q 448
2012-11-23 02:52:21 C 00 55 10.16 -07 36 12.4 q 448
2012-11-23 03:00:35 C 00 55 10.36 -07 36 38.0 q 448
2012-11-23 03:08:18 C 00 55 10.53 -07 37 01.4 q 448