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
2025-04-25 04:22:22 C 13 37 42.965 -24 50 20.40 V W68
2025-04-25 05:08:35 C 13 37 41.167 -24 48 26.39 V W68
2025-04-25 05:09:14 C 13 37 41.153 -24 48 25.45 V W68
2025-04-25 05:16:08 C 13 37 40.872 -24 48 08.86 V W68
2025-04-25 05:49:45 C 13 37 39.581 -24 46 45.16 V W68
2025-04-28 03:59:41 C 13 35 34.891 -21 58 05.81 V W68
2025-04-28 04:04:59 C 13 35 34.745 -21 57 54.00 V W68
2025-04-28 04:22:49 C 13 35 34.162 -21 57 11.70 V W68
2025-04-28 04:30:44 C 13 35 33.869 -21 56 53.05 V W68
2025-04-28 08:48:02 C 13 35 26.394 -21 47 09.71 V 703
2025-04-28 08:51:22 C 13 35 26.336 -21 47 02.15 V 703
2025-04-28 08:54:42 C 13 35 26.214 -21 46 53.83 V 703
2025-04-28 08:58:02 C 13 35 26.203 -21 46 46.09 V 703
2025-05-03 03:50:22 C 13 32 53.621 -17 29 28.43 V W68
2025-05-03 03:54:57 C 13 32 53.462 -17 29 18.64 V W68
2025-05-03 04:03:33 C 13 32 53.309 -17 29 00.46 V W68
2025-05-03 04:19:19 C 13 32 52.925 -17 28 27.26 V W68
2025-05-04 21:40:50 C 13 32 13.238 -16 02 39.41 V M22
2025-05-04 21:53:56 C 13 32 13.080 -16 02 12.41 V M22
2025-05-04 22:12:30 C 13 32 12.674 -16 01 34.46 V M22
2025-05-04 22:25:03 C 13 32 12.389 -16 01 09.19 V M22
2025-05-21 11:50:25 C 13 32 13.363 -05 39 54.76 V P07
2025-05-21 11:53:09 C 13 32 13.373 -05 39 53.39 V P07
2025-05-21 12:52:27 C 13 32 13.925 -05 38 46.18 V P07
2025-05-21 15:20:46 C 13 32 15.180 -05 36 01.30 V P07
2025-05-21 15:40:22 C 13 32 15.336 -05 35 37.93 V P07
2025-05-21 15:40:31 C 13 32 15.422 -05 35 39.41 V P07
2025-05-22 05:46:34 C 13 32 27.229 -05 20 25.80 V G96
2025-05-22 05:54:46 C 13 32 27.316 -05 20 16.84 V G96
2025-05-22 06:02:59 C 13 32 27.398 -05 20 08.20 V G96
2025-05-22 06:11:11 C 13 32 27.460 -05 19 59.30 V G96
2025-05-31 06:52:02 C 13 36 49.576 -02 09 10.17 X F51
2025-05-31 07:07:25 C 13 36 49.921 -02 08 59.49 X F51
2025-05-31 07:09:26 C 13 36 49.964 -02 08 58.05 X F51
2025-05-31 07:25:52 C 13 36 50.321 -02 08 46.71 X F51
2025-05-31 07:27:53 C 13 36 50.372 -02 08 45.24 X F51
2025-05-31 07:44:31 C 13 36 50.737 -02 08 33.69 X F51
2025-05-31 07:46:32 C 13 36 50.766 -02 08 32.23 X F51
2025-06-01 16:04:29 C 13 37 42.172 -01 46 59.23 W O18
2025-06-01 17:49:31 C 13 37 44.793 -01 45 51.67 W O18
2025-06-14 15:32:38 C 13 48 16.302 +00 31 16.79 W O18
2025-06-14 15:34:24 C 13 48 16.368 +00 31 17.18 W O18
2025-06-15 15:35:35 C 13 49 14.237 +00 37 31.89 W O18
2025-06-15 16:50:20 C 13 49 17.124 +00 37 50.55 W O18
2025-06-18 15:38:21 C 13 52 14.540 +00 53 10.61 W O18
2025-06-18 16:53:35 C 13 52 17.626 +00 53 24.65 W O18
2025-06-19 15:39:15 C 13 53 16.801 +00 57 24.99 W O18
2025-06-19 16:54:23 C 13 53 19.936 +00 57 37.68 W O18
2025-06-20 15:32:24 C 13 54 19.784 +01 01 11.12 W O18
2025-06-20 16:24:38 C 13 54 21.987 +01 01 18.64 W O18