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
2003-03-23 09:07:01 C 13 27 16.58 -22 06 04.7 c 644
2003-03-23 09:37:05 C 13 27 16.76 -22 05 59.1 c 644
2003-03-23 10:07:33 C 13 27 16.96 -22 05 53.7 c 644
2003-03-30 10:27:28 C 13 28 34.77 -21 16 59.5 c 644
2003-03-30 11:01:01 C 13 28 34.80 -21 16 45.9 c 644
2003-04-23 13:48:16 C 13 27 25.59 -11 16 16.1 19.5 c 608
2003-04-23 14:03:21 C 13 27 25.55 -11 15 46.8 20.5 c 608
2003-04-23 14:19:06 C 13 27 25.42 -11 15 17.5 20.2 c 608
2003-04-23 18:17:14 C 13 27 25.06 -11 07 07.5 c 413
2003-04-23 18:21:51 C 13 27 25.05 -11 06 58.7 c 413
2003-04-23 21:19:10 C 13 27 27.36 -11 02 03.1 c 587
2003-04-23 21:21:47 C 13 27 27.33 -11 01 58.1 c 587
2003-04-23 21:24:22 C 13 27 27.28 -11 01 52.9 c 587
2003-04-23 21:26:13 C 13 27 27.25 -11 01 49.1 d 151
2003-04-23 21:27:46 C 13 27 27.15 -11 01 47.8 d 151
2003-04-23 21:30:05 C 13 27 27.28 -11 01 42.2 d 151
2003-04-23 21:31:58 C 13 27 27.20 -11 01 37.9 d 151
2003-04-23 21:33:03 C 13 27 27.22 -11 01 36.3 d 151
2003-04-23 21:39:11 C 13 27 27.18 -11 01 25.9 d 151
2003-04-23 21:41:03 C 13 27 27.18 -11 01 21.1 d 151
2003-04-23 21:42:21 C 13 27 27.13 -11 01 18.1 d 151
2003-04-23 22:04:47 C 13 27 26.78 -11 00 35.8 c 246
2003-04-23 22:05:55 C 13 27 26.74 -11 00 33.5 c 246
2003-04-23 22:07:30 C 13 27 26.74 -11 00 30.6 c 246
2003-04-23 22:09:18 C 13 27 26.73 -11 00 27.0 c 246
2003-04-23 22:11:15 C 13 27 26.71 -11 00 23.6 c 246
2003-04-23 22:12:54 C 13 27 26.70 -11 00 20.2 c 246
2003-04-23 22:42:27 C 13 27 26.73 -10 59 18.5 17.5 d 620
2003-04-23 22:45:32 C 13 27 26.67 -10 59 12.1 17.9 d 620
2003-04-23 22:48:37 C 13 27 26.68 -10 59 07.4 17.4 d 620
2003-04-23 22:51:41 C 13 27 26.75 -10 59 01.7 17.9 d 620
2003-04-23 22:54:46 C 13 27 26.66 -10 58 55.9 17.7 d 620
2003-04-23 23:31:27 C 13 27 26.44 -10 57 48.2 o J95
2003-04-23 23:36:20 C 13 27 26.37 -10 57 38.6 o J95
2003-04-23 23:37:21 C 13 27 25.91 -10 57 36.0 d 557
2003-04-23 23:39:33 C 13 27 25.92 -10 57 31.7 d 557
2003-04-23 23:41:57 C 13 27 26.29 -10 57 27.3 o J95
2003-04-23 23:43:54 C 13 27 25.82 -10 57 23.7 d 557
2003-04-24 01:03:19 C 13 27 25.13 -10 54 45.2 c 599
2003-04-24 01:04:45 C 13 27 25.14 -10 54 42.3 c 599
2003-04-24 01:06:11 C 13 27 25.13 -10 54 39.7 c 599
2003-04-24 01:07:39 C 13 27 25.12 -10 54 35.9 c 599
2003-04-24 04:08:22 C 13 27 27.27 -10 48 38.3 c 854
2003-04-24 04:13:34 C 13 27 27.21 -10 48 28.2 c 854
2003-04-24 04:21:22 C 13 27 27.16 -10 48 12.8 c 854
2003-04-24 08:04:50 C 13 27 24.78 -10 40 52.8 c 926
2003-04-24 08:09:38 C 13 27 24.71 -10 40 42.8 c 926
2003-04-24 09:21:02 C 13 27 25.67 -10 38 16.6 18.7 c 608
2003-04-24 09:36:36 C 13 27 25.51 -10 37 45.9 18.9 c 608
2003-04-24 09:51:59 C 13 27 25.33 -10 37 15.1 18.8 c 608