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
2020-05-25 10:17:27 C 16 51 45.608 -00 47 01.14 U F52
2020-05-25 10:18:22 C 16 51 45.543 -00 47 00.18 U F52
2020-05-25 10:33:42 C 16 51 44.328 -00 46 45.41 U F52
2020-05-25 10:34:39 C 16 51 44.271 -00 46 44.75 U F52
2020-05-28 10:02:21 C 16 46 23.762 +00 18 46.46 U F52
2020-05-28 10:18:34 C 16 46 22.494 +00 19 00.80 U F52
2020-05-28 10:34:47 C 16 46 21.235 +00 19 15.12 U F52
2020-05-28 10:51:02 C 16 46 19.972 +00 19 29.35 U F52
2020-05-30 12:04:07 C 16 42 41.628 +01 01 22.20 U F51
2020-05-30 12:21:05 C 16 42 40.329 +01 01 36.15 U F51
2020-06-13 07:49:22 C 16 20 48.612 +04 29 13.24 U F52
2020-06-13 08:08:23 C 16 20 47.458 +04 29 21.53 U F52
2020-06-13 08:27:29 C 16 20 46.317 +04 29 30.12 U F52
2020-06-13 08:46:37 C 16 20 45.191 +04 29 38.40 U F52
2020-06-22 10:07:58 C 16 10 17.741 +05 36 37.39 U F52
2020-06-22 10:25:58 C 16 10 16.983 +05 36 40.57 U F52
2020-06-22 11:01:54 C 16 10 15.472 +05 36 47.53 U F52
2020-07-10 03:05:08 C 16 00 46.61 +05 46 14.3 u H21
2020-07-10 03:14:29 C 16 00 46.54 +05 46 13.1 u H21
2020-07-10 03:21:12 C 16 00 46.48 +05 46 12.1 u H21
2024-11-30 05:13:37 C 09 11 04.030 -31 33 49.30 V 807
2024-11-30 05:18:23 C 09 11 04.700 -31 34 03.10 V 807
2024-11-30 05:23:15 C 09 11 05.410 -31 34 17.00 V 807
2024-11-30 05:28:00 C 09 11 06.100 -31 34 31.10 V 807
2025-04-07 04:42:29 C 13 56 51.050 -42 33 28.73 V W68
2025-04-07 04:47:05 C 13 56 50.707 -42 33 19.30 V W68
2025-04-07 04:51:43 C 13 56 50.467 -42 33 08.14 V W68
2025-04-07 05:01:07 C 13 56 49.951 -42 32 47.72 V W68
2025-04-17 23:27:53 C 13 44 19.198 -32 05 19.57 V M22
2025-04-17 23:32:31 C 13 44 18.972 -32 05 06.97 V M22
2025-04-17 23:40:33 C 13 44 18.607 -32 04 46.60 V M22
2025-04-17 23:55:04 C 13 44 17.856 -32 04 10.70 V M22
2025-04-18 23:32:34 C 13 43 17.407 -31 04 07.72 V M22
2025-04-18 23:37:27 C 13 43 17.124 -31 03 56.27 V M22
2025-04-18 23:47:25 C 13 43 16.702 -31 03 30.24 V M22
2025-04-19 00:02:37 C 13 43 15.893 -31 02 51.97 V M22
2025-04-21 04:55:29 C 13 41 07.685 -28 48 41.51 V W68
2025-04-21 05:00:07 C 13 41 07.474 -28 48 30.20 V W68
2025-04-21 05:08:19 C 13 41 07.099 -28 48 08.78 V W68
2025-04-21 05:23:01 C 13 41 06.470 -28 47 31.52 V W68
2025-04-24 00:49:19 C 13 38 38.254 -25 58 40.40 V R17
2025-04-24 01:09:52 C 13 38 37.411 -25 57 49.07 V R17
2025-04-24 01:30:23 C 13 38 36.574 -25 56 58.63 V R17
2025-04-24 01:50:55 C 13 38 35.712 -25 56 07.12 V R17
2025-04-24 04:34:11 C 13 38 30.463 -25 49 02.21 V W68
2025-04-24 04:48:31 C 13 38 29.897 -25 48 26.42 V W68
2025-04-24 04:53:46 C 13 38 29.719 -25 48 12.92 V W68
2025-04-24 05:01:20 C 13 38 29.369 -25 47 54.82 V W68
2025-04-25 04:17:42 C 13 37 43.135 -24 50 32.46 V W68
2025-04-25 04:21:43 C 13 37 42.984 -24 50 22.13 V W68