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
2008-05-11 08:39:03 C 14 58 50.73 -10 52 52.3 r 703
2008-05-11 08:50:32 C 14 58 50.05 -10 52 34.2 r 703
2008-05-11 09:02:01 C 14 58 49.26 -10 52 15.7 r 703
2008-05-11 09:13:29 C 14 58 48.54 -10 51 57.7 r 703
2008-05-14 05:30:04 C 14 54 53.64 -09 07 54.3 r G96
2008-05-14 05:37:19 C 14 54 53.20 -09 07 43.8 r G96
2008-05-14 05:44:33 C 14 54 52.77 -09 07 33.2 r G96
2008-05-14 05:51:56 C 14 54 52.30 -09 07 22.1 r G96
2008-05-22 04:49:07 C 14 45 50.45 -04 58 28.6 20.7 o H55
2008-05-22 04:55:54 C 14 45 50.17 -04 58 20.6 20.5 o H55
2008-05-22 05:02:38 C 14 45 49.89 -04 58 13.4 20.5 o H55
2008-05-27 05:26:34 C 14 41 43.31 -02 54 15.3 r 448
2008-05-27 06:01:09 C 14 41 42.15 -02 53 42.7 r 448
2008-05-27 06:36:23 C 14 41 41.00 -02 53 10.6 r 448
2008-05-28 06:03:57 C 14 41 01.80 -02 31 57.9 r 448
2008-05-28 06:38:45 C 14 41 00.80 -02 31 26.9 r 448
2008-05-28 07:13:56 C 14 40 59.74 -02 30 55.7 r 448
2008-05-30 03:45:49 C 14 39 53.69 -01 53 14.9 o 691
2008-05-30 04:19:59 C 14 39 52.81 -01 52 47.6 o 691
2008-05-30 04:54:10 C 14 39 51.90 -01 52 20.1 o 691
2008-06-01 03:59:55 C 14 38 52.52 -01 16 02.3 o 691
2008-06-01 04:34:09 C 14 38 51.80 -01 15 37.3 o 691
2008-06-01 05:08:23 C 14 38 51.04 -01 15 12.9 o 691
2008-06-04 03:46:16 C 14 37 42.82 -00 27 16.6 o 691
2008-06-04 04:20:32 C 14 37 42.23 -00 26 54.9 o 691
2008-06-04 04:51:12 C 14 37 41.74 -00 26 35.7 o 691
2008-06-19 02:42:01 C 14 37 42.51 +01 56 55.4 o H55
2008-06-19 02:58:53 C 14 37 42.71 +01 56 59.5 o H55
2008-06-19 03:15:59 C 14 37 42.88 +01 57 02.9 o H55
2012-09-13 08:21:46 C 01 22 20.95 +44 14 45.6 o 926
2012-09-13 08:47:23 C 01 22 21.00 +44 14 50.1 o 926
2012-09-13 09:12:59 C 01 22 21.21 +44 14 54.7 o 926
2012-09-14 08:07:37 C 01 22 34.41 +44 18 26.7 o 926
2012-09-14 08:37:26 C 01 22 34.56 +44 18 31.3 o 926
2012-09-14 09:07:14 C 01 22 34.65 +44 18 36.1 o 926
2012-10-09 07:44:10 C 01 14 07.55 +40 55 20.8 19.7 c 704
2012-10-09 08:03:17 C 01 14 06.79 +40 54 58.9 20.0 c 704
2012-10-09 08:22:24 C 01 14 05.93 +40 54 41.2 20.2 c 704
2012-10-13 00:30:56 C 01 10 53.67 +39 12 28.6 q I42
2012-10-13 00:36:59 C 01 10 53.28 +39 12 19.1 q I42
2012-10-16 06:31:33 C 01 07 47.96 +37 20 04.4 r 703
2012-10-16 06:39:48 C 01 07 47.46 +37 19 51.0 r 703
2012-10-16 06:47:57 C 01 07 47.06 +37 19 38.1 r 703
2012-10-16 06:56:14 C 01 07 46.77 +37 19 25.0 r 703
2012-10-19 08:36:50 c 01 04 48.982 +35 12 11.14 L F51
2012-10-19 08:53:28 c 01 04 48.167 +35 11 40.29 L F51
2012-10-19 10:32:10 c 01 04 43.327 +35 08 34.99 L F51
2012-10-20 07:33:41 C 01 03 52.20 +34 28 02.7 q H45
2012-10-20 07:35:35 C 01 03 52.13 +34 27 59.7 q H45
2012-10-20 07:36:52 C 01 03 52.05 +34 27 56.7 q H45