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
2012-10-20 07:38:35 C 01 03 52.03 +34 27 53.1 q H45
2012-10-20 07:39:52 C 01 03 51.95 +34 27 51.0 q H45
2012-10-20 07:41:30 C 01 03 51.89 +34 27 47.7 q H45
2012-10-20 19:25:26 C 01 03 25.93 +34 04 22.7 c A24
2012-10-20 19:27:31 C 01 03 25.86 +34 04 18.5 c A24
2012-10-20 19:48:22 C 01 03 24.90 +34 03 37.2 c A24
2012-10-20 20:12:30 C 01 03 23.83 +34 02 49.2 c A24
2012-10-20 20:32:40 C 01 03 22.91 +34 02 09.2 c A24
2012-10-20 20:34:43 C 01 03 22.83 +34 02 05.2 c A24
2012-10-20 20:45:50 C 01 03 22.14 +34 01 42.5 o 046
2012-10-20 20:48:51 C 01 03 22.00 +34 01 36.5 o 046
2012-10-20 20:50:16 C 01 03 21.91 +34 01 34.0 o 046
2012-10-20 20:51:44 C 01 03 21.85 +34 01 30.4 o 046
2012-10-20 20:53:12 C 01 03 21.80 +34 01 27.4 o 046
2012-10-21 02:11:11 C 01 03 09.34 +33 50 44.4 u I15
2012-10-21 02:15:26 C 01 03 09.21 +33 50 36.3 u I15
2012-10-21 02:19:40 C 01 03 09.00 +33 50 28.1 u I15
2012-10-23 01:40:27 C 01 01 16.26 +32 09 17.9 t 204
2012-10-23 01:45:59 C 01 01 16.05 +32 09 05.7 t 204
2012-10-23 01:51:33 C 01 01 15.79 +32 08 52.7 t 204
2012-10-23 03:45:17 C 01 01 13.83 +32 04 46.3 r 703
2012-10-23 03:52:31 C 01 01 13.47 +32 04 30.5 r 703
2012-10-23 03:59:49 C 01 01 13.15 +32 04 14.3 r 703
2012-10-23 04:07:07 C 01 01 12.82 +32 03 57.9 r 703
2012-10-23 18:46:18 C 01 00 39.60 +31 30 32.6 c A24
2012-10-23 18:48:23 C 01 00 39.58 +31 30 28.5 c A24
2012-10-23 19:09:14 C 01 00 38.68 +31 29 41.0 c A24
2012-10-23 19:33:23 C 01 00 37.63 +31 28 45.9 c A24
2012-10-23 19:53:31 C 01 00 36.83 +31 27 59.9 c A24
2012-10-23 19:55:37 C 01 00 36.71 +31 27 55.3 c A24
2012-10-27 06:54:44 C 00 57 36.23 +28 02 35.4 q H45
2012-10-27 06:55:59 C 00 57 36.17 +28 02 32.2 q H45
2012-10-27 06:59:49 C 00 57 36.01 +28 02 21.4 q H45
2012-10-27 07:00:56 C 00 57 35.96 +28 02 18.6 q H45
2012-10-27 07:02:21 C 00 57 35.84 +28 02 15.0 q H45
2012-10-30 05:54:43 C 00 55 22.31 +24 45 10.4 q H45
2012-10-30 05:56:18 C 00 55 22.24 +24 45 05.7 q H45
2012-10-30 05:57:59 C 00 55 22.16 +24 45 01.2 q H45
2012-10-30 06:00:46 C 00 55 22.03 +24 44 53.0 q H45
2012-10-30 06:03:57 C 00 55 21.96 +24 44 43.6 q H45
2012-10-30 06:06:32 C 00 55 21.88 +24 44 35.9 q H45
2012-11-01 05:18:13 C 00 54 04.83 +22 23 00.7 q H45
2012-11-01 05:20:32 C 00 54 04.77 +22 22 53.7 q H45
2012-11-01 05:22:25 C 00 54 04.69 +22 22 47.9 q H45
2012-11-01 05:24:02 C 00 54 04.63 +22 22 42.6 q H45
2012-11-01 05:25:35 C 00 54 04.58 +22 22 37.7 q H45
2012-11-03 06:05:35 C 00 52 55.94 +19 48 47.9 q H45
2012-11-03 06:07:40 C 00 52 55.90 +19 48 41.1 q H45
2012-11-03 06:09:03 C 00 52 55.85 +19 48 36.4 q H45
2012-11-03 06:10:24 C 00 52 55.80 +19 48 32.4 q H45