665390 (2009 HD82)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4766371298 ± 1.93e-08
Semi-major axis (a)1.2537505679 AU ± 5.57e-09
Inclination (i)5.80151265° ± 3.84e-06
Long. of Asc. Node (Ω)191.18909933° ± 3.74e-05
Arg. of Perihelion (ω)148.00040506° ± 4.01e-05
Mean Anomaly (M)227.70870251° ± 9.58e-06
Mean Motion (n)0.7020944857°/day ± 4.68e-09
Perihelion dist (q)0.65616650 AU ± 2.44e-08
Aphelion dist (Q)1.85133464 AU ± 2.55e-08
Orbital Period1.40383710 yr ± 9.35e-09
NGA Modelr2
A2-4.07704840e-14 ± 1.08e-14 AU/d²
Physical Parameters
H (abs. magnitude)21.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.330″
Uncertainty0
Orbit TypeApollo
MOID0.081262 AU
Observations Used197
Oppositions4
Arc Total2009-2023
First Observation Used2009-04-24
Last Observation Used2023-05-20
Observations (204)
Date Type RA Dec Mag Band Observatory
2009-05-14 10:30:33 C 15 37 25.27 +17 50 41.7 o 291
2009-05-14 10:36:08 C 15 37 24.72 +17 51 16.7 o 291
2009-05-14 10:41:45 C 15 37 24.11 +17 51 52.7 o 291
2009-05-16 20:56:12 C 15 31 06.19 +24 45 56.8 o 198
2009-05-16 20:58:33 C 15 31 05.85 +24 46 15.8 o 198
2009-05-16 21:00:07 C 15 31 05.63 +24 46 28.5 o 198
2009-05-16 21:12:59 C 15 31 03.79 +24 48 10.1 o 198
2009-05-16 21:20:25 C 15 31 02.77 +24 49 13.7 c 560
2009-05-16 21:21:52 C 15 31 02.53 +24 49 25.2 c 560
2009-05-16 21:23:29 C 15 31 02.29 +24 49 38.1 c 560
2009-05-19 20:45:17 C 15 19 24.81 +35 23 20.2 c 560
2009-05-19 20:45:47 C 15 19 24.72 +35 23 25.2 c 560
2009-05-19 20:46:58 C 15 19 24.47 +35 23 37.3 c 560
2009-05-20 21:08:20 C 15 13 55.23 +39 32 51.9 w 160
2009-05-20 21:13:33 C 15 13 53.85 +39 33 47.8 w 160
2009-05-20 21:19:15 C 15 13 52.28 +39 34 47.9 w 160
2009-05-25 01:15:12 C 14 33 39.29 +58 43 18.0 c 118
2009-05-25 01:17:33 C 14 33 37.66 +58 43 45.2 c 118
2009-05-25 01:20:16 C 14 33 35.91 +58 44 17.2 c 118
2009-05-25 01:23:24 C 14 33 33.77 +58 44 53.6 c 118
2013-12-25 05:48:05 C 04 41 53.50 -09 40 33.6 q 703
2013-12-25 05:58:14 C 04 41 53.47 -09 40 06.7 q 703
2013-12-25 06:08:25 C 04 41 53.34 -09 39 39.9 q 703
2013-12-25 06:18:34 C 04 41 53.40 -09 39 12.0 q 703
2013-12-25 07:23:34 C 04 41 53.02 -09 36 18.6 q 703
2013-12-25 07:24:48 C 04 41 53.13 -09 36 15.4 q 703
2013-12-25 07:26:02 C 04 41 53.02 -09 36 11.7 q 703
2013-12-25 07:27:15 C 04 41 53.05 -09 36 08.6 q 703
2013-12-26 00:47:13 C 04 42 01.61 -08 50 13.5 u 807
2013-12-26 00:52:37 C 04 42 01.62 -08 49 59.9 u 807
2013-12-26 00:57:58 C 04 42 01.61 -08 49 46.3 u 807
2013-12-26 03:38:00 C 04 42 02.04 -08 43 42.9 q H36
2013-12-26 03:51:25 C 04 42 02.02 -08 43 08.1 q H36
2013-12-26 04:04:16 C 04 42 02.00 -08 42 36.8 q H36
2013-12-26 04:09:46 C 04 42 02.59 -08 42 19.2 q G96
2013-12-26 04:24:07 C 04 42 02.52 -08 41 42.9 q G96
2013-12-26 04:38:29 C 04 42 02.52 -08 41 06.5 q G96
2013-12-26 04:52:50 C 04 42 02.45 -08 40 30.2 q G96
2013-12-26 07:46:16 C 04 42 01.99 -08 33 13.3 o 926
2013-12-26 08:00:08 C 04 42 02.00 -08 32 38.8 o 926
2013-12-26 08:10:44 C 04 42 01.94 -08 32 11.3 o 926
2016-04-27 06:29:37 C 14 42 54.30 -03 31 03.3 R G45
2016-04-27 06:36:04 C 14 42 53.64 -03 30 52.6 R G45
2016-04-27 06:42:25 C 14 42 53.03 -03 30 41.3 R G45
2016-04-27 06:48:46 C 14 42 52.37 -03 30 31.3 R G45
2016-04-27 06:55:10 C 14 42 51.72 -03 30 19.3 R G45
2016-04-28 21:23:01 C 14 39 03.45 -02 21 42.6 q A17
2016-04-28 21:39:59 C 14 39 01.54 -02 21 11.4 q A17
2016-04-28 21:56:58 C 14 38 59.68 -02 20 39.9 q A17
2016-04-29 07:25:14 C 14 37 59.60 -02 02 51.8 q 703