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
2003-05-05 13:35:10 C 15 02 37.18 -27 38 09.6 c 474
2003-05-05 13:38:29 C 15 02 36.80 -27 38 16.3 c 474
2003-05-06 05:32:07 C 15 00 58.30 -28 10 21.2 c 649
2003-05-06 05:34:40 C 15 00 58.08 -28 10 26.5 c 649
2003-05-06 05:37:14 C 15 00 57.70 -28 10 32.4 c 649
2003-05-06 08:12:59 C 15 00 40.55 -28 15 37.4 c 926
2003-05-06 08:16:22 C 15 00 40.17 -28 15 44.1 c 926
2003-05-06 08:19:43 C 15 00 39.81 -28 15 50.5 c 926
2003-05-06 08:23:02 C 15 00 39.49 -28 15 57.3 c 926
2003-05-10 13:58:12 C 14 49 40.31 -31 30 15.2 c E14
2003-05-10 14:08:25 C 14 49 39.07 -31 30 34.2 c E14
2003-05-10 14:18:37 C 14 49 37.88 -31 30 52.3 c E14
2003-05-20 06:24:59 C 14 24 07.21 -37 54 43.0 c 673
2003-05-20 06:27:50 C 14 24 06.94 -37 54 47.1 c 673
2003-05-20 06:31:20 C 14 24 06.54 -37 54 51.3 c 673
2003-05-20 06:35:20 C 14 24 06.17 -37 54 56.2 c 673
2003-05-20 06:37:49 C 14 24 05.85 -37 55 00.1 c 673
2003-05-21 06:48:40 C 14 21 34.65 -38 28 51.8 c 673
2003-05-21 06:53:40 C 14 21 34.10 -38 28 59.6 c 673
2003-05-21 06:58:30 C 14 21 33.59 -38 29 06.4 c 673
2003-05-21 07:03:19 C 14 21 33.05 -38 29 12.2 c 673
2003-05-21 07:08:10 C 14 21 32.53 -38 29 18.7 c 673
2003-06-02 16:20:18 C 13 56 30.80 -43 52 18.6 e 413
2003-06-02 16:29:20 C 13 56 30.20 -43 52 25.5 e 413
2003-07-02 11:38:08 C 13 57 55.21 -49 55 46.7 e 413
2003-07-02 11:53:07 C 13 57 56.01 -49 55 50.9 e 413
2005-09-12 07:30:59 C 01 55 01.42 -14 11 19.0 d 291
2005-09-12 07:37:25 C 01 55 01.04 -14 11 19.2 d 291
2005-09-12 07:43:07 C 01 55 00.71 -14 11 19.9 d 291
2005-09-30 08:49:13 C 01 23 32.38 -13 29 01.5 r G96
2005-09-30 08:52:40 C 01 23 32.06 -13 29 01.0 r G96
2005-09-30 08:56:10 C 01 23 31.74 -13 28 59.9 r G96
2005-09-30 08:59:40 C 01 23 31.45 -13 28 59.4 r G96
2010-03-04 08:33:59 C 13 57 27.61 +26 13 10.2 o H21
2010-03-04 08:49:32 C 13 57 27.40 +26 13 10.9 o H21
2010-03-04 09:04:10 C 13 57 27.20 +26 13 11.5 o H21
2010-04-06 09:45:50 C 13 09 26.06 +21 18 14.5 r 703
2010-04-06 09:54:57 C 13 09 25.09 +21 18 06.6 r 703
2010-04-06 10:04:02 C 13 09 24.12 +21 17 56.7 r 703
2010-04-06 10:13:20 C 13 09 23.25 +21 17 47.1 r 703
2010-04-09 05:52:09 C 13 02 37.71 +20 03 59.1 r 703
2010-04-09 06:01:05 C 13 02 36.74 +20 03 48.0 r 703
2010-04-09 06:10:03 C 13 02 35.80 +20 03 38.5 r 703
2010-04-09 06:18:57 C 13 02 34.76 +20 03 27.1 r 703
2010-04-10 07:42:53 C 13 00 00.79 +19 33 24.0 19.5 c 704
2010-04-10 07:59:26 C 12 59 58.92 +19 33 04.8 19.8 c 704
2010-04-10 08:16:01 C 12 59 57.18 +19 32 43.8 20.1 c 704
2010-04-13 06:07:18 C 12 52 58.36 +18 03 48.4 r 703
2010-04-13 06:17:04 C 12 52 57.25 +18 03 35.7 r 703
2010-04-13 06:27:06 C 12 52 56.17 +18 03 23.1 r 703