2013 HR

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6771913000
Semi-major axis (a)2.4911347000 AU
Inclination (i)3.80469000°
Long. of Asc. Node (Ω)224.64032000°
Arg. of Perihelion (ω)271.71727000°
Mean Anomaly (M)88.14437000°
Mean Motion (n)0.2506734000°/day
Perihelion dist (q)0.80416000 AU
Aphelion dist (Q)4.17810940 AU
Orbital Period3.93183980 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.170″
Uncertainty6
Orbit TypeApollo
MOID0.032147 AU
Observations Used18
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-04-21
Observations (18)
Date Type RA Dec Mag Band Observatory
2013-04-16 12:13:00 C 15 15 10.311 -26 48 55.04 L F51
2013-04-16 12:36:14 C 15 15 05.778 -26 47 45.32 L F51
2013-04-16 12:59:28 C 15 15 01.272 -26 46 35.80 L F51
2013-04-17 08:07:42 C 15 11 49.55 -25 50 59.3 t W87
2013-04-17 08:12:24 C 15 11 48.75 -25 50 46.3 t W87
2013-04-17 08:17:05 C 15 11 47.93 -25 50 33.1 t W87
2013-04-17 08:21:47 C 15 11 47.10 -25 50 20.0 t W87
2013-04-17 08:26:29 C 15 11 46.29 -25 50 06.8 t W87
2013-04-17 08:31:35 C 15 11 45.42 -25 49 52.6 t W87
2013-04-17 12:08:46 C 15 11 13.241 -25 40 53.86 t 568
2013-04-17 12:10:34 C 15 11 12.918 -25 40 48.89 t 568
2013-04-17 12:12:23 C 15 11 12.609 -25 40 44.02 t 568
2013-04-20 07:39:38 C 15 02 09.85 -23 00 36.4 o 291
2013-04-20 07:43:22 C 15 02 09.37 -23 00 28.9 o 291
2013-04-20 07:47:08 C 15 02 08.86 -23 00 21.3 o 291
2013-04-21 04:32:58 C 14 59 50.34 -22 17 53.5 u 807
2013-04-21 04:40:03 C 14 59 49.48 -22 17 40.1 u 807
2013-04-21 04:46:47 C 14 59 48.67 -22 17 27.1 u 807