2003 HN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5109729077 ± 2.06e-08
Semi-major axis (a)2.0261327551 AU ± 2.72e-08
Inclination (i)10.72016076° ± 6.87e-06
Long. of Asc. Node (Ω)212.67308379° ± 8.54e-06
Arg. of Perihelion (ω)65.19235889° ± 1.27e-05
Mean Anomaly (M)274.47167812° ± 5.57e-05
Mean Motion (n)0.3417515003°/day ± 6.89e-09
Perihelion dist (q)0.99083381 AU ± 4.37e-08
Aphelion dist (Q)3.06143170 AU ± 5.85e-08
Orbital Period2.88404376 yr ± 5.81e-08
Physical Parameters
H (abs. magnitude)20.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.430″
Uncertainty0
Orbit TypeApollo
MOID0.103919 AU
Observations Used342
Oppositions13
Arc Total2003-2023
First Observation Used2003-03-23
Last Observation Used2023-02-15
Observations (364)
Date Type RA Dec Mag Band Observatory
2003-05-19 22:24:35 C 13 45 18.95 +26 33 49.4 c 127
2003-05-20 05:08:31 C 13 45 54.12 +27 10 41.6 c 785
2003-05-20 05:23:06 C 13 45 55.16 +27 11 59.8 c 785
2003-05-21 04:59:19 C 13 48 12.11 +29 22 33.3 c 649
2003-05-21 05:02:04 C 13 48 12.34 +29 22 48.5 c 649
2003-05-21 05:07:33 C 13 48 12.81 +29 23 18.6 c 649
2003-05-21 20:54:09 C 13 49 51.75 +30 51 34.8 c 204
2003-05-21 20:56:07 C 13 49 51.92 +30 51 45.1 c 204
2003-05-21 20:59:07 C 13 49 52.22 +30 52 01.5 c 204
2003-05-21 21:03:58 C 13 49 52.65 +30 52 29.3 c 204
2003-05-21 21:10:21 C 13 49 53.21 +30 53 05.5 c 204
2003-05-22 03:54:13 C 13 50 36.64 +31 31 05.5 c 750
2003-05-22 04:05:43 C 13 50 37.74 +31 32 10.6 c 750
2003-05-22 04:15:19 C 13 50 38.61 +31 33 04.9 c 750
2003-05-22 04:24:03 C 13 50 39.41 +31 33 54.1 c 750
2003-05-22 21:45:21 C 13 52 36.73 +33 12 28.8 c 560
2003-05-22 21:49:37 C 13 52 37.09 +33 12 54.1 c 560
2003-05-22 22:00:21 C 13 52 38.19 +33 13 54.5 c 560
2003-05-23 21:38:15 C 13 55 31.14 +35 29 22.4 d 118
2003-05-23 21:43:58 C 13 55 31.78 +35 29 55.9 d 118
2003-05-23 21:45:38 C 13 55 31.97 +35 30 05.7 d 118
2003-05-23 21:48:19 C 13 55 32.29 +35 30 20.7 d 118
2003-05-23 21:56:18 C 13 55 33.52 +35 31 09.6 c 560
2003-05-23 21:59:41 C 13 55 33.89 +35 31 29.0 c 560
2003-05-23 22:03:05 C 13 55 34.26 +35 31 48.7 c 560
2003-05-24 20:34:53 C 13 58 36.16 +37 42 01.8 d 151
2003-05-24 20:37:33 C 13 58 36.50 +37 42 17.8 d 151
2003-05-24 20:38:28 C 13 58 36.60 +37 42 22.2 d 151
2003-05-24 20:40:35 C 13 58 36.83 +37 42 34.2 d 151
2003-05-24 20:41:02 C 13 58 36.94 +37 42 36.4 d 151
2003-05-24 20:41:36 C 13 58 37.04 +37 42 40.4 d 151
2003-05-24 20:42:17 C 13 58 37.01 +37 42 43.4 d 151
2003-05-24 20:44:02 C 13 58 37.32 +37 42 54.1 d 151
2003-05-24 20:45:57 C 13 58 37.51 +37 43 05.6 d 151
2003-05-24 20:46:30 C 13 58 37.60 +37 43 07.7 d 151
2003-05-24 22:52:05 C 13 58 52.59 +37 55 11.0 d 118
2003-05-24 22:57:36 C 13 58 53.22 +37 55 43.3 d 118
2003-05-24 22:59:07 C 13 58 53.39 +37 55 51.9 d 118
2003-05-25 23:00:49 C 14 02 25.07 +40 15 23.7 d 118
2003-05-25 23:02:15 C 14 02 25.29 +40 15 31.4 d 118
2003-05-25 23:03:35 C 14 02 25.48 +40 15 39.0 d 118
2003-05-25 23:05:06 C 14 02 25.68 +40 15 48.2 d 118
2003-05-25 23:07:53 C 14 02 26.11 +40 16 04.4 d 118
2003-05-27 05:34:09 C 14 07 26.96 +43 13 17.9 c 670
2003-05-27 06:54:31 C 14 07 39.05 +43 21 02.5 c 670
2003-05-27 07:45:50 C 14 07 46.80 +43 25 56.2 c 670
2003-05-27 22:37:56 C 14 10 27.63 +44 51 45.6 c 118
2003-05-27 22:39:25 C 14 10 27.87 +44 51 53.8 c 118
2003-05-27 22:40:58 C 14 10 28.15 +44 52 03.1 c 118
2003-05-27 22:42:08 C 14 10 28.39 +44 52 09.6 c 118