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
1998-04-22 14:45:09 C 14 34 24.46 +32 54 32.7 c 566
1998-04-22 14:59:49 C 14 34 21.31 +32 54 14.9 c 566
1998-04-26 10:26:57 C 14 15 26.21 +30 54 50.0 c 566
1998-04-26 10:56:34 C 14 15 20.08 +30 54 08.8 c 566
1998-04-26 11:26:09 C 14 15 14.00 +30 53 26.9 c 566
2001-05-20 08:07:21 C 12 42 36.49 +20 26 38.2 c 608
2001-05-20 08:23:00 C 12 42 35.17 +20 26 09.5 c 608
2001-05-20 08:39:04 C 12 42 33.87 +20 25 39.2 c 608
2004-05-12 06:40:06 C 12 49 53.366 +32 46 19.28 n 645
2004-05-12 06:41:18 C 12 49 53.227 +32 46 16.54 n 645
2004-05-12 06:43:41 C 12 49 52.973 +32 46 11.60 n 645
2004-05-12 06:44:53 C 12 49 52.824 +32 46 08.80 n 645
2007-04-20 09:48:21 C 14 18 52.34 +57 35 31.8 r 703
2007-04-20 09:56:01 C 14 18 50.07 +57 35 20.4 r 703
2007-04-20 10:03:39 C 14 18 47.62 +57 35 10.5 r 703
2007-04-20 10:11:20 C 14 18 45.36 +57 34 58.8 r 703
2007-04-20 10:43:51 C 14 18 35.67 +57 34 10.7 r 703
2007-04-20 10:51:55 C 14 18 33.19 +57 33 58.6 r 703
2007-04-20 11:08:11 C 14 18 28.47 +57 33 35.3 r 703
2007-04-20 19:53:49 C 14 15 56.38 +57 20 46.0 o 198
2007-04-20 19:55:20 C 14 15 55.92 +57 20 43.9 o 198
2007-04-20 20:01:01 C 14 15 54.21 +57 20 35.9 o A17
2007-04-20 20:22:02 C 14 15 48.06 +57 20 05.9 o 198
2007-04-20 20:40:27 C 14 15 42.61 +57 19 39.9 c 595
2007-04-20 20:47:04 C 14 15 40.74 +57 19 29.0 o A17
2007-04-20 20:54:18 C 14 15 38.58 +57 19 18.8 c 595
2007-04-20 21:08:48 C 14 15 34.31 +57 18 56.9 o 024
2007-04-20 21:09:19 C 14 15 33.97 +57 18 56.9 c 595
2007-04-20 21:15:03 C 14 15 32.44 +57 18 47.9 o 024
2007-04-20 21:17:36 C 14 15 31.80 +57 18 44.5 o A17
2007-04-20 21:23:17 C 14 15 30.07 +57 18 36.2 o 024
2007-04-20 23:18:37 C 14 14 56.10 +57 15 47.0 r 473
2007-04-20 23:24:15 C 14 14 54.48 +57 15 38.5 r 473
2007-04-20 23:43:47 C 14 14 48.72 +57 15 09.2 r 473
2007-04-21 00:04:08 C 14 14 42.73 +57 14 38.7 r 473
2007-04-21 02:48:28 C 14 13 54.94 +57 10 31.3 o J95
2007-04-21 02:56:49 C 14 13 52.46 +57 10 18.4 o J95
2007-04-21 03:05:06 C 14 13 50.01 +57 10 05.9 o J95
2007-04-21 05:53:29 C 14 13 02.26 +57 05 55.8 20.2 o H55
2007-04-21 05:57:21 C 14 13 01.12 +57 05 49.7 20.1 o H55
2007-04-21 06:01:05 C 14 13 00.03 +57 05 44.2 20.2 o H55
2007-04-21 06:01:17 C 14 13 00.01 +57 05 43.0 o 734
2007-04-21 06:07:57 C 14 12 58.23 +57 05 34.2 o 734
2007-04-21 06:14:10 C 14 12 56.34 +57 05 25.2 o 734
2007-04-21 06:20:50 C 14 12 54.34 +57 05 12.3 o 734
2007-04-21 21:14:07 C 14 08 41.24 +56 42 12.8 o J95
2007-04-21 21:22:31 C 14 08 38.77 +56 42 00.1 o J95
2007-04-21 21:30:45 C 14 08 36.50 +56 41 47.7 o J95
2007-04-25 20:09:27 C 13 43 53.35 +53 57 52.7 o A17
2007-04-25 20:25:21 C 13 43 49.50 +53 57 22.8 o A17