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
2006-10-02 10:32:49 C 02 46 36.73 +19 07 10.7 r G96
2006-10-02 10:40:53 C 02 46 36.22 +19 07 05.7 r G96
2006-10-16 07:07:45 C 02 27 02.41 +15 38 00.1 c 691
2006-10-16 07:32:54 C 02 27 00.72 +15 37 43.9 c 691
2006-10-16 07:57:59 C 02 26 59.17 +15 37 28.2 c 691
2006-10-20 07:01:32 C 02 21 01.79 +14 34 55.8 c 691
2006-10-20 07:26:36 C 02 21 00.11 +14 34 39.4 c 691
2006-10-28 06:56:38 C 02 09 25.84 +12 32 13.1 r G96
2006-10-28 07:10:39 C 02 09 24.98 +12 32 05.1 r G96
2006-10-28 07:24:42 C 02 09 24.15 +12 31 56.2 r G96
2006-10-28 07:38:51 C 02 09 23.25 +12 31 47.5 r G96
2023-02-15 05:51:50 C 09 57 52.95 -05 55 59.5 V 807
2023-02-15 06:08:05 C 09 57 52.03 -05 55 55.4 V 807
2023-02-15 06:23:48 C 09 57 51.15 -05 55 51.2 V 807