2015 HT9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3137762000
Semi-major axis (a)1.4244300000 AU
Inclination (i)4.79484000°
Long. of Asc. Node (Ω)226.04080000°
Arg. of Perihelion (ω)46.98159000°
Mean Anomaly (M)46.38553000°
Mean Motion (n)0.5797521800°/day
Perihelion dist (q)0.97747780 AU
Aphelion dist (Q)1.87138220 AU
Orbital Period1.70004990 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.460″
Uncertainty3
Orbit TypeApollo
MOID0.019883 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-05-24
Observations (28)
Date Type RA Dec Mag Band Observatory
2015-04-18 01:11:09 X 12 41 04.52 -18 47 08.6 L W84
2015-04-18 01:15:46 C 12 41 04.28 -18 47 05.5 L W84
2015-04-18 01:20:20 C 12 41 04.05 -18 47 02.1 L W84
2015-04-18 01:24:57 C 12 41 03.81 -18 46 58.7 L W84
2015-04-19 00:51:02 C 12 40 08.25 -18 28 10.6 L W84
2015-04-19 00:55:39 C 12 40 08.01 -18 28 07.1 L W84
2015-04-19 01:00:17 C 12 40 07.77 -18 28 03.4 L W84
2015-04-19 01:04:50 C 12 40 07.53 -18 27 59.8 L W84
2015-04-19 01:09:28 C 12 40 07.28 -18 27 56.1 L W84
2015-04-20 23:44:38 C 12 38 15.50 -17 46 09.1 L W84
2015-04-20 23:49:11 C 12 38 15.27 -17 46 05.4 L W84
2015-04-20 23:58:24 C 12 38 14.80 -17 45 57.2 L W84
2015-04-28 09:27:51 C 12 30 58.493 -14 03 20.67 t 568
2015-04-28 09:34:27 C 12 30 58.078 -14 03 09.75 t 568
2015-04-28 09:41:08 C 12 30 57.659 -14 02 58.90 t 568
2015-04-28 09:47:44 C 12 30 57.246 -14 02 48.11 t 568
2015-05-12 03:30:10 C 12 18 32.40 +01 50 28.0 q G96
2015-05-12 03:36:46 C 12 18 31.82 +01 51 01.7 q G96
2015-05-12 03:43:21 C 12 18 31.37 +01 51 35.0 q G96
2015-05-18 04:40:06 C 12 12 11.98 +18 40 38.0 o 291
2015-05-18 04:44:43 C 12 12 11.50 +18 41 22.0 o 291
2015-05-18 04:49:25 C 12 12 11.01 +18 42 05.7 o 291
2015-05-18 05:32:14 C 12 12 06.32 +18 48 50.1 o 926
2015-05-18 05:44:15 C 12 12 05.10 +18 50 42.8 o 926
2015-05-18 05:56:17 C 12 12 03.86 +18 52 35.7 o 926
2015-05-24 07:24:50 C 11 59 20.87 +49 55 37.9 t 705
2015-05-24 07:26:43 C 11 59 20.42 +49 56 15.7 t 705
2015-05-24 07:28:34 C 11 59 20.15 +49 56 33.4 t 705