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
2010-06-08 00:40:49 S 12 03 24.88 +21 49 51.8 L C51
2010-06-08 03:51:20 S 12 03 25.42 +21 44 05.6 L C51
2012-05-10 06:25:36 C 17 57 54.87 -80 08 18.2 o 807
2012-05-10 06:34:11 C 17 57 52.90 -80 08 36.7 o 807
2012-05-10 06:42:46 C 17 57 50.78 -80 08 54.9 o 807
2012-10-26 23:56:00 C 16 39 58.59 -81 29 42.0 u 807
2012-10-27 00:04:13 C 16 40 08.45 -81 29 33.7 u 807
2012-12-02 01:28:57 C 21 01 33.09 -13 19 20.3 r 703
2012-12-02 01:36:52 C 21 01 33.27 -13 18 33.2 r 703
2012-12-02 01:43:13 C 21 01 33.38 -13 17 56.5 r 703
2012-12-02 01:49:43 C 21 01 33.49 -13 17 18.1 r 703
2015-05-04 05:26:26 C 17 22 02.05 -71 17 35.6 u 807
2015-05-04 05:37:12 C 17 22 00.40 -71 17 59.2 u 807
2015-05-04 05:47:36 C 17 21 58.39 -71 18 20.4 u 807
2015-11-22 00:23:04 C 20 56 15.28 -50 03 52.7 u 807
2015-11-22 00:25:29 C 20 56 15.58 -50 03 41.8 u 807
2015-11-22 00:28:25 C 20 56 15.98 -50 03 28.4 u 807
2015-11-22 00:31:01 C 20 56 16.33 -50 03 16.7 u 807
2015-11-22 00:33:38 C 20 56 16.68 -50 03 04.7 u 807
2019-01-03 05:17:23 C 22 10 41.77 +09 19 12.9 V T05
2019-01-03 05:27:24 C 22 10 41.95 +09 19 42.0 V T05
2019-01-03 05:29:29 C 22 10 42.10 +09 19 48.1 V T05
2019-01-03 05:53:08 C 22 10 42.56 +09 21 00.3 V T05
2019-01-12 01:46:35 C 22 15 02.75 +19 13 53.0 V 703
2019-01-12 02:03:04 C 22 15 02.92 +19 14 34.1 V 703
2019-01-12 02:11:18 C 22 15 03.10 +19 14 55.5 V 703
2019-05-11 21:27:49 C 11 09 21.41 +60 47 25.1 V C95
2019-05-11 21:55:31 C 11 09 22.16 +60 46 13.0 V C95
2019-05-11 22:23:27 C 11 09 23.13 +60 44 57.1 V C95
2019-05-25 03:35:12 C 11 20 59.60 +47 19 54.3 V G96
2019-05-25 03:43:22 C 11 20 59.83 +47 19 34.6 V G96
2019-05-25 03:51:31 C 11 21 00.13 +47 19 15.5 V G96
2019-05-25 03:59:39 C 11 21 00.41 +47 18 55.3 V G96
2021-02-17 15:23:27 C 16 52 23.397 -20 44 31.40 U F51
2021-02-17 15:30:55 C 16 52 23.739 -20 44 37.10 U F51
2021-02-17 15:38:22 C 16 52 24.073 -20 44 43.20 U F51
2022-01-05 01:39:51 C 22 30 13.79 +01 00 20.4 V 703
2022-01-05 01:56:25 C 22 30 14.52 +01 01 13.5 V 703
2022-01-05 02:04:43 C 22 30 14.94 +01 01 41.4 V 703
2025-01-12 01:37:19 C 22 50 27.726 -00 04 38.60 V G96
2025-01-12 01:44:48 C 22 50 28.147 -00 04 16.21 V G96
2025-01-12 01:56:31 C 22 50 28.784 -00 03 41.51 V G96
2025-01-12 02:04:00 C 22 50 29.206 -00 03 19.40 V G96