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
2009-04-24 07:45:11 C 15 53 34.43 -07 54 37.5 o 691
2009-04-24 08:10:38 C 15 53 34.22 -07 53 59.7 o 691
2009-04-24 08:36:04 C 15 53 34.03 -07 53 22.8 o 691
2009-04-29 08:59:00 C 15 52 51.08 -04 25 13.7 o 691
2009-04-29 09:24:25 C 15 52 50.53 -04 24 22.2 o 691
2009-04-29 09:49:50 C 15 52 49.98 -04 23 31.0 o 691
2009-04-29 10:42:39 C 15 52 48.92 -04 21 43.6 o 291
2009-04-29 10:47:59 C 15 52 48.80 -04 21 32.5 o 291
2009-04-29 10:53:15 C 15 52 48.67 -04 21 21.9 o 291
2009-04-30 07:14:09 C 15 52 34.06 -03 38 53.0 o 291
2009-04-30 07:19:33 C 15 52 33.94 -03 38 41.3 o 291
2009-04-30 07:24:58 C 15 52 33.80 -03 38 29.8 o 291
2009-05-01 06:22:07 C 15 52 12.13 -02 47 34.0 o 291
2009-05-01 06:27:41 C 15 52 11.98 -02 47 21.6 o 291
2009-05-01 06:33:11 C 15 52 11.86 -02 47 09.0 o 291
2009-05-01 15:26:10 C 15 52 01.62 -02 26 34.1 o 300
2009-05-01 15:29:28 C 15 52 01.45 -02 26 26.4 o 300
2009-05-01 15:36:07 C 15 52 01.32 -02 26 10.6 o 300
2009-05-03 09:44:53 C 15 51 05.93 -00 40 45.8 o 291
2009-05-03 09:50:20 C 15 51 05.75 -00 40 31.5 o 291
2009-05-03 09:55:36 C 15 51 05.57 -00 40 17.3 o 291
2009-05-05 09:05:34 C 15 49 47.18 +01 34 27.1 o 691
2009-05-05 09:31:01 C 15 49 46.10 +01 35 44.9 o 691
2009-05-07 15:50:32 C 15 47 47.35 +04 38 36.3 o E10
2009-05-07 15:51:34 C 15 47 47.30 +04 38 40.3 o E10
2009-05-07 15:52:35 C 15 47 47.27 +04 38 43.8 o E10
2009-05-07 15:53:32 C 15 47 47.19 +04 38 47.1 o E10
2009-05-07 15:54:29 C 15 47 47.13 +04 38 51.1 o E10
2009-05-07 15:55:25 C 15 47 47.10 +04 38 54.2 o E10
2009-05-12 07:24:52 C 15 41 38.94 +12 51 47.4 r 926
2009-05-12 07:44:37 C 15 41 37.20 +12 53 30.0 r 926
2009-05-12 08:07:01 C 15 41 35.21 +12 55 32.1 r 926
2009-05-13 00:59:25 C 15 40 20.19 +14 28 36.7 o J13
2009-05-13 00:59:57 C 15 40 20.14 +14 28 39.2 o J13
2009-05-13 01:00:28 C 15 40 20.08 +14 28 42.6 o J13
2009-05-13 01:01:01 C 15 40 20.03 +14 28 46.0 o J13
2009-05-13 07:18:58 C 15 39 49.81 +15 04 54.0 r 926
2009-05-13 07:37:09 C 15 39 48.14 +15 06 39.6 r 926
2009-05-13 07:55:22 C 15 39 46.26 +15 08 27.7 r 926
2009-05-13 10:16:46 C 15 39 32.40 +15 22 07.3 r 448
2009-05-13 10:22:48 C 15 39 31.86 +15 22 41.5 r 448
2009-05-13 10:29:41 C 15 39 31.20 +15 23 22.4 r 448
2009-05-13 10:35:59 C 15 39 30.60 +15 23 58.4 r 448
2009-05-13 10:42:12 C 15 39 30.05 +15 24 35.4 r 448
2009-05-13 23:13:56 C 15 38 29.04 +16 39 55.1 w B40
2009-05-13 23:43:27 C 15 38 26.07 +16 42 56.7 w B40
2009-05-14 00:01:54 C 15 38 24.20 +16 44 50.3 w B40
2009-05-14 07:49:02 C 15 37 42.74 +17 33 36.2 r 703
2009-05-14 08:06:32 C 15 37 40.83 +17 35 28.0 r 703
2009-05-14 08:15:17 C 15 37 39.82 +17 36 23.1 r 703