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
2003-05-28 22:24:56 C 14 15 05.58 +47 08 51.3 d 170
2003-05-28 22:26:11 C 14 15 05.79 +47 08 58.5 d 170
2003-05-28 22:27:27 C 14 15 06.00 +47 09 05.7 d 170
2003-05-28 22:28:42 C 14 15 06.21 +47 09 12.8 d 170
2003-05-28 22:29:57 C 14 15 06.45 +47 09 19.8 d 170
2003-05-31 20:43:43 C 14 31 37.10 +53 43 08.2 i 071
2003-05-31 20:45:06 C 14 31 37.46 +53 43 15.3 i 071
2003-05-31 20:46:30 C 14 31 37.77 +53 43 24.2 i 071
2003-05-31 20:49:03 C 14 31 38.39 +53 43 37.1 i 071
2003-05-31 20:50:29 C 14 31 38.68 +53 43 45.1 i 071
2003-05-31 20:51:54 C 14 31 39.04 +53 43 52.8 i 071
2003-06-04 07:19:53 C 14 58 24.43 +60 52 11.9 o 699
2003-06-04 07:43:34 C 14 58 32.90 +60 54 05.0 o 699
2003-06-04 08:07:21 C 14 58 41.55 +60 55 58.1 o 699
2003-06-04 08:31:11 C 14 58 50.05 +60 57 50.7 o 699
2003-06-04 20:21:25 C 15 03 40.75 +61 54 58.1 d 118
2003-06-04 20:22:56 C 15 03 41.39 +61 55 05.8 d 118
2003-06-04 20:24:27 C 15 03 41.91 +61 55 12.6 d 118
2003-06-04 20:27:29 C 15 03 43.14 +61 55 26.9 d 118
2003-06-07 20:38:08 C 15 38 49.82 +67 14 14.8 d 118
2003-06-07 20:46:30 C 15 38 54.33 +67 14 48.2 d 118
2003-06-16 23:18:10 C 18 49 33.26 +75 44 00.3 d 118
2003-06-16 23:23:48 C 18 49 39.25 +75 44 03.3 d 118
2003-06-16 23:25:42 C 18 49 41.29 +75 44 04.3 d 118
2003-08-02 10:15:40 C 00 12 32.33 +50 31 23.4 c 673
2003-08-02 10:21:10 C 00 12 32.43 +50 31 17.4 c 673
2003-08-02 10:30:00 C 00 12 32.62 +50 31 07.0 c 673
2003-08-02 10:37:19 C 00 12 32.78 +50 30 57.5 c 673
2003-08-03 06:17:00 C 00 13 10.55 +50 06 55.3 c 673
2003-08-03 06:22:39 C 00 13 10.66 +50 06 49.1 c 673
2003-08-03 06:27:39 C 00 13 10.76 +50 06 44.6 c 673
2003-08-23 20:34:09 C 00 13 20.35 +39 18 58.9 r 151
2003-08-23 20:42:36 C 00 13 20.12 +39 18 47.6 r 151
2003-08-23 20:45:55 C 00 13 20.03 +39 18 42.7 r 151
2003-08-23 20:49:56 C 00 13 19.92 +39 18 37.2 r 151
2003-09-03 23:46:35 C 00 05 14.01 +32 21 26.8 r 198
2003-09-04 00:05:04 C 00 05 13.26 +32 20 56.6 r 198
2003-09-04 00:30:48 C 00 05 12.23 +32 20 14.3 r 198
2003-09-04 00:43:21 C 00 05 11.70 +32 19 53.2 r 198
2003-09-18 21:10:07 C 23 52 55.66 +22 26 40.3 c 113
2003-09-18 21:12:58 C 23 52 55.56 +22 26 35.8 c 113
2003-09-18 21:15:49 C 23 52 55.46 +22 26 31.3 c 113
2003-09-20 07:56:17 C 23 51 51.91 +21 30 44.1 19.1 c 644
2003-09-20 08:30:19 C 23 51 50.70 +21 29 49.0 19.0 c 644
2003-09-20 09:13:19 C 23 51 49.21 +21 28 40.1 19.4 c 644
2006-09-17 08:14:21 C 03 00 58.29 +22 07 47.0 d 291
2006-09-17 08:22:43 C 03 00 58.05 +22 07 44.0 d 291
2006-09-17 08:32:08 C 03 00 57.83 +22 07 40.1 d 291
2006-10-02 10:16:44 C 02 46 37.59 +19 07 19.9 r G96
2006-10-02 10:24:42 C 02 46 37.16 +19 07 15.0 r G96