2015 HB9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5497063000
Semi-major axis (a)2.1019240000 AU
Inclination (i)5.35704000°
Long. of Asc. Node (Ω)217.62765000°
Arg. of Perihelion (ω)303.77462000°
Mean Anomaly (M)185.10174000°
Mean Motion (n)0.3234287000°/day
Perihelion dist (q)0.94648310 AU
Aphelion dist (Q)3.25736490 AU
Orbital Period3.04737230 yr
Physical Parameters
H (abs. magnitude)24.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.490″
Uncertainty7
Orbit TypeApollo
MOID0.035421 AU
Observations Used49
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-05-11
Observations (53)
Date Type RA Dec Mag Band Observatory
2015-04-19 07:12:25 C 13 27 58.35 -25 47 11.7 q 703
2015-04-19 07:18:54 C 13 28 01.87 -25 46 37.8 q 703
2015-04-19 07:25:23 C 13 28 05.34 -25 46 07.2 q 703
2015-04-19 07:31:53 C 13 28 08.73 -25 45 35.1 q 703
2015-04-19 08:13:16 C 13 28 30.93 -25 42 13.9 q 703
2015-04-19 08:14:09 C 13 28 31.57 -25 42 07.2 q 703
2015-04-19 08:15:02 C 13 28 31.92 -25 42 04.4 q 703
2015-04-19 08:15:56 C 13 28 32.42 -25 41 58.4 q 703
2015-04-19 08:16:48 C 13 28 32.93 -25 41 55.1 q 703
2015-04-19 08:48:40 C 13 28 49.84 -25 39 17.9 q 703
2015-04-19 08:49:32 C 13 28 50.30 -25 39 12.4 q 703
2015-04-19 08:50:26 C 13 28 50.85 -25 39 07.3 q 703
2015-04-19 08:51:19 C 13 28 51.39 -25 39 03.5 q 703
2015-04-19 08:52:12 C 13 28 51.83 -25 38 59.8 q 703
2015-04-19 09:28:43 C 13 29 11.25 -25 35 59.4 q 703
2015-04-19 09:30:51 C 13 29 12.35 -25 35 48.5 q 703
2015-04-19 09:32:57 C 13 29 13.47 -25 35 36.9 q 703
2015-04-19 09:35:04 C 13 29 14.66 -25 35 28.8 q 703
2015-04-19 23:29:12 C 13 36 47.64 -24 31 02.2 q I93
2015-04-19 23:44:00 C 13 36 54.66 -24 29 55.9 q I93
2015-04-19 23:53:07 C 13 36 58.98 -24 29 14.5 q I93
2015-04-20 05:44:19 C 13 39 53.40 -24 03 14.0 q H36
2015-04-20 05:50:09 C 13 39 56.02 -24 02 48.5 q H36
2015-04-20 07:06:15 C 13 40 32.07 -23 57 10.8 q I52
2015-04-20 07:06:51 C 13 40 32.30 -23 57 08.5 q I52
2015-04-20 07:07:26 C 13 40 32.55 -23 57 05.4 q I52
2015-04-20 07:08:03 C 13 40 32.80 -23 57 03.3 q I52
2015-04-20 07:35:28 C 13 40 44.96 -23 55 02.4 o 926
2015-04-20 07:42:17 C 13 40 47.91 -23 54 32.6 o 926
2015-04-20 07:49:09 C 13 40 50.92 -23 54 01.4 o 926
2015-04-20 12:22:08 C 13 43 03.86 -23 32 19.7 Q D90
2015-04-20 12:29:17 C 13 43 06.92 -23 31 50.5 Q D90
2015-04-20 12:36:28 C 13 43 10.00 -23 31 21.2 Q D90
2015-04-21 06:42:14 C 13 50 52.02 -22 20 55.9 o 926
2015-04-21 06:49:45 C 13 50 54.76 -22 20 28.2 o 926
2015-04-21 06:57:16 C 13 50 57.50 -22 20 00.4 o 926
2015-04-21 07:01:59 C 13 50 54.05 -22 17 36.6 u 807
2015-04-21 07:07:03 C 13 50 55.94 -22 17 16.7 u 807
2015-04-21 07:11:49 C 13 50 57.70 -22 16 57.7 u 807
2015-04-23 05:23:31 C 14 06 44.75 -19 40 26.6 u 807
2015-04-23 05:28:37 C 14 06 46.07 -19 40 11.1 u 807
2015-04-23 05:33:48 C 14 06 47.43 -19 39 55.4 u 807
2015-04-23 10:37:05 C 14 08 14.938 -19 26 26.46 L F51
2015-04-23 10:53:41 C 14 08 19.085 -19 25 37.44 L F51
2015-04-23 11:10:16 C 14 08 23.226 -19 24 48.86 L F51
2015-04-23 11:26:53 C 14 08 27.371 -19 23 59.68 L F51
2015-04-24 05:35:55 C 14 13 18.98 -18 33 38.3 o 695
2015-04-24 05:36:57 C 14 13 19.20 -18 33 35.2 o 695
2015-04-24 05:37:59 C 14 13 19.45 -18 33 32.7 o 695
2015-04-24 05:39:02 C 14 13 19.68 -18 33 30.2 o 695