240320 (2003 HS42)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1213233563 ± 8.71e-08
Semi-major axis (a)1.4589763365 AU ± 4.20e-09
Inclination (i)15.82229043° ± 7.72e-06
Long. of Asc. Node (Ω)38.24269031° ± 9.65e-06
Arg. of Perihelion (ω)192.35399415° ± 3.82e-05
Mean Anomaly (M)282.85812866° ± 4.75e-05
Mean Motion (n)0.5592936701°/day ± 2.42e-09
Perihelion dist (q)1.28196843 AU ± 1.27e-07
Aphelion dist (Q)1.63598424 AU ± 1.27e-07
Orbital Period1.76226969 yr ± 7.61e-09
Physical Parameters
H (abs. magnitude)20.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.400″
Uncertainty0
Orbit TypeAmor
MOID0.275725 AU
Observations Used171
Oppositions11
Arc Total1998-2024
First Observation Used1998-09-22
Last Observation Used2024-03-03
Observations (178)
Date Type RA Dec Mag Band Observatory
1998-09-22 09:34:44 C 02 37 57.501 -01 01 50.86 645
1998-09-22 09:39:31 C 02 37 57.260 -01 01 49.94 645
1998-09-25 09:19:25 C 02 34 29.952 -00 47 59.53 e 645
1998-09-25 09:24:25 C 02 34 29.687 -00 47 58.60 22.31 e 645
2003-04-01 12:53:20 C 15 43 07.85 -04 21 29.0 o 608
2003-04-29 07:47:53 C 15 16 58.97 -22 36 44.3 18.9 c 704
2003-04-29 07:48:22 C 15 16 58.69 -22 36 43.9 18.4 c 704
2003-04-29 08:05:05 C 15 16 57.27 -22 37 19.1 19.2 c 704
2003-04-29 08:05:34 C 15 16 57.08 -22 37 18.9 18.8 c 704
2003-04-29 08:22:11 C 15 16 55.66 -22 37 53.8 19.1 c 704
2003-04-29 08:22:41 C 15 16 55.42 -22 37 52.7 19.0 c 704
2003-04-29 08:39:14 C 15 16 54.02 -22 38 27.6 18.7 c 704
2003-04-29 08:39:44 C 15 16 53.79 -22 38 28.5 18.8 c 704
2003-04-30 05:03:38 C 15 15 07.33 -23 19 40.2 c 651
2003-04-30 05:06:06 C 15 15 07.09 -23 19 46.3 c 651
2003-04-30 05:16:03 C 15 15 06.25 -23 20 07.1 c 651
2003-04-30 07:35:39 C 15 14 52.47 -23 24 53.5 18.6 c 704
2003-04-30 07:38:55 C 15 14 52.21 -23 24 59.5 18.8 c 704
2003-04-30 07:39:57 C 15 14 52.00 -23 25 02.3 18.7 c 704
2003-04-30 07:52:51 C 15 14 50.74 -23 25 27.7 18.5 c 704
2003-04-30 07:56:13 C 15 14 50.43 -23 25 34.4 18.9 c 704
2003-04-30 07:57:11 C 15 14 50.35 -23 25 37.1 18.7 c 704
2003-04-30 08:10:22 C 15 14 49.05 -23 26 03.6 18.9 c 704
2003-04-30 08:13:24 C 15 14 48.79 -23 26 09.9 19.5 c 704
2003-04-30 08:14:22 C 15 14 48.63 -23 26 12.2 19.0 c 704
2003-04-30 08:27:27 C 15 14 47.34 -23 26 38.1 18.7 c 704
2003-04-30 08:30:37 C 15 14 47.09 -23 26 43.7 18.8 c 704
2003-04-30 08:31:35 C 15 14 46.90 -23 26 46.1 19.1 c 704
2003-04-30 08:47:55 C 15 14 45.37 -23 27 19.0 19.0 c 704
2003-04-30 08:48:54 C 15 14 45.25 -23 27 22.2 19.2 c 704
2003-04-30 09:11:00 C 15 14 43.17 -23 28 06.3 c 926
2003-04-30 09:17:57 C 15 14 42.57 -23 28 18.7 c 926
2003-04-30 13:26:17 C 15 14 21.25 -23 36 13.0 e 422
2003-04-30 13:27:41 C 15 14 21.05 -23 36 15.5 e 422
2003-04-30 22:59:04 C 15 13 29.20 -23 56 02.6 c J87
2003-04-30 23:06:56 C 15 13 28.32 -23 56 20.8 c J87
2003-04-30 23:14:21 C 15 13 27.75 -23 56 33.8 c J87
2003-05-01 00:25:53 C 15 13 20.50 -23 59 01.0 d 941
2003-05-01 00:27:31 C 15 13 20.25 -23 59 04.8 d 941
2003-05-01 00:29:10 C 15 13 20.07 -23 59 08.4 d 941
2003-05-01 00:30:48 C 15 13 19.92 -23 59 11.5 d 941
2003-05-01 07:27:39 C 15 12 41.52 -24 13 13.9 c 926
2003-05-01 07:29:55 C 15 12 41.28 -24 13 19.3 c 926
2003-05-01 07:32:13 C 15 12 41.10 -24 13 23.7 c 926
2003-05-01 07:37:23 C 15 12 40.41 -24 13 35.1 18.8 c 704
2003-05-01 07:54:45 C 15 12 38.70 -24 14 09.5 19.2 c 704
2003-05-01 08:11:53 C 15 12 36.96 -24 14 44.9 19.1 c 704
2003-05-01 08:29:08 C 15 12 35.18 -24 15 20.0 19.4 c 704
2003-05-01 08:46:18 C 15 12 33.50 -24 15 54.2 19.5 c 704
2003-05-05 13:32:39 C 15 02 37.44 -27 38 04.7 c 474