345813 (2007 HX4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3318767618 ± 8.53e-09
Semi-major axis (a)1.3175811070 AU ± 3.29e-09
Inclination (i)56.55406511° ± 1.41e-06
Long. of Asc. Node (Ω)41.66743749° ± 2.22e-06
Arg. of Perihelion (ω)14.55209784° ± 3.36e-06
Mean Anomaly (M)201.44570142° ± 8.88e-06
Mean Motion (n)0.6516977746°/day ± 2.44e-09
Perihelion dist (q)0.88030656 AU ± 1.15e-08
Aphelion dist (Q)1.75485566 AU ± 1.21e-08
Orbital Period1.51239780 yr ± 5.66e-09
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.018″
Uncertainty0
Orbit TypeApollo
MOID0.105478 AU
Observations Used154
Gaia Obs Used55
Oppositions6
Arc Total1998-2016
First Observation Used1998-04-22
Last Observation Used2025-01-12
Observations (193)
Date Type RA Dec Mag Band Observatory
2007-04-25 20:38:04 C 13 43 46.35 +53 56 59.1 o A17
2007-04-30 02:54:39 C 13 21 22.83 +50 31 35.1 20.5 o H55
2007-04-30 03:00:04 C 13 21 21.64 +50 31 24.1 20.7 o H55
2007-04-30 03:05:21 C 13 21 20.53 +50 31 13.1 20.3 o H55
2007-05-01 02:36:37 C 13 16 48.71 +49 40 51.1 20.4 o H55
2007-05-01 02:42:47 C 13 16 47.60 +49 40 36.8 20.5 o H55
2007-05-01 02:48:53 C 13 16 46.43 +49 40 25.1 20.3 o H55
2007-05-01 20:07:26 C 13 13 34.66 +49 02 43.9 r A17
2007-05-01 20:33:06 C 13 13 30.03 +49 01 47.9 r A17
2007-05-01 20:56:11 C 13 13 25.69 +49 00 57.6 r A17
2007-05-06 21:31:51 C 12 54 17.25 +44 28 41.3 o 151
2007-05-06 21:35:41 C 12 54 16.63 +44 28 32.6 o 151
2007-05-08 23:52:29 C 12 47 44.02 +42 32 02.2 o 511
2007-05-08 23:55:59 C 12 47 43.66 +42 31 54.5 o 511
2007-05-08 23:59:20 C 12 47 43.29 +42 31 45.2 o 511
2007-05-09 00:02:30 C 12 47 42.69 +42 31 36.3 o 511
2007-05-09 00:06:20 C 12 47 42.15 +42 31 30.2 o 511
2007-05-09 00:09:44 C 12 47 42.03 +42 31 22.7 o 511
2007-05-09 00:13:00 C 12 47 41.68 +42 31 13.6 o 511
2007-05-09 21:36:51 C 12 45 08.95 +41 41 29.0 o 511
2007-05-09 21:40:32 C 12 45 08.53 +41 41 20.6 o 511
2007-05-09 21:44:40 C 12 45 08.03 +41 41 10.9 o 511
2007-05-09 21:49:16 C 12 45 07.52 +41 41 01.2 o 511
2007-05-09 21:53:23 C 12 45 07.00 +41 40 51.2 o 511
2007-05-09 21:56:58 C 12 45 06.61 +41 40 44.3 o 511
2007-05-09 22:01:37 C 12 45 06.00 +41 40 32.1 o 511
2007-05-09 22:07:46 C 12 45 05.31 +41 40 17.0 o 511
2007-05-09 22:11:42 C 12 45 04.74 +41 40 08.5 o 511
2007-05-10 05:04:54 C 12 44 17.41 +41 24 08.3 r 448
2007-05-10 05:31:38 C 12 44 14.25 +41 23 05.7 r 448
2007-05-10 05:58:22 C 12 44 11.14 +41 22 03.9 r 448
2007-05-12 07:19:06 C 12 38 54.16 +39 27 19.5 r 703
2007-05-12 07:28:31 C 12 38 53.12 +39 26 56.0 r 703
2007-05-12 07:37:55 C 12 38 52.15 +39 26 35.0 r 703
2007-05-12 07:47:19 C 12 38 51.10 +39 26 12.4 r 703
2007-05-14 06:41:00 C 12 34 24.99 +37 37 43.9 r H45
2007-05-14 06:48:12 C 12 34 24.28 +37 37 27.1 r H45
2007-05-14 06:50:36 C 12 34 24.10 +37 37 20.7 r H45
2007-05-14 06:53:07 C 12 34 23.86 +37 37 14.6 r H45
2007-05-14 06:55:54 C 12 34 23.66 +37 37 08.9 r H45
2007-05-14 06:58:11 C 12 34 23.39 +37 37 03.2 r H45
2007-05-22 02:57:21 C 12 21 20.42 +30 35 59.0 o H55
2007-05-22 03:00:28 C 12 21 20.26 +30 35 53.1 o H55
2007-05-22 03:04:10 C 12 21 20.11 +30 35 44.7 o H55
2007-05-22 03:08:53 C 12 21 19.86 +30 35 35.5 o H55
2007-05-22 03:14:04 C 12 21 19.53 +30 35 22.8 o H55
2007-05-22 03:20:17 C 12 21 19.18 +30 35 10.8 o H55
2007-05-22 03:25:29 C 12 21 18.94 +30 34 58.9 o H55
2009-11-01 00:01:45 C 18 15 02.32 -79 41 35.6 r I19
2009-11-01 00:09:44 C 18 15 09.91 -79 41 05.6 r I19