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
2017-01-21 12:54:34 C 10 02 38.38 +00 55 50.2 1 T09
2017-01-21 13:26:26 C 10 02 35.93 +00 56 02.0 1 T09
2020-12-22 04:14:33 C 02 39 09.16 -16 54 49.7 o 691
2020-12-22 04:27:00 C 02 39 12.40 -16 54 03.6 o 691
2020-12-22 04:39:25 C 02 39 15.65 -16 53 17.5 o 691
2020-12-22 22:22:34 C 02 43 55.670 -15 48 07.39 V K91
2020-12-22 22:27:23 C 02 43 56.847 -15 47 50.33 V K91
2020-12-22 22:32:11 C 02 43 58.061 -15 47 32.94 V K91
2020-12-22 22:37:01 C 02 43 59.270 -15 47 15.87 V K91
2021-01-02 05:53:24 C 03 30 05.26 -04 40 45.3 V 291
2021-01-02 06:10:56 C 03 30 07.53 -04 40 09.8 V 291
2021-01-02 06:28:30 C 03 30 09.87 -04 39 34.4 V 291
2021-01-03 04:57:33 C 03 33 12.36 -03 55 13.9 o 691
2021-01-03 05:16:45 C 03 33 14.73 -03 54 36.6 o 691
2021-01-03 05:35:57 C 03 33 17.20 -03 53 59.9 o 691
2021-01-06 04:42:48 C 03 42 07.59 -01 46 20.0 V 291
2021-01-06 04:47:22 C 03 42 08.11 -01 46 12.7 V 291
2021-01-06 04:51:56 C 03 42 08.65 -01 46 05.4 V 291
2021-01-07 08:14:53 C 03 45 17.201 -01 01 18.65 U F51
2021-01-07 08:30:52 C 03 45 18.897 -01 00 52.97 U F51
2021-01-12 06:43:30 C 03 57 40.64 +01 48 56.1 o 691
2021-01-12 07:02:34 C 03 57 42.37 +01 49 20.4 o 691
2021-01-14 03:56:59 C 04 02 01.22 +02 45 38.3 o 291
2021-01-14 04:18:34 C 04 02 03.14 +02 46 04.3 o 291
2021-01-14 04:40:09 C 04 02 05.04 +02 46 30.2 o 291
2023-04-18 08:01:31 C 14 08 21.019 -06 20 18.71 V G96
2023-04-18 08:08:57 C 14 08 20.332 -06 20 09.67 V G96
2023-04-18 08:16:23 C 14 08 19.622 -06 20 00.89 V G96
2023-04-18 08:23:50 C 14 08 18.884 -06 19 52.46 V G96
2023-04-18 11:21:00 C 14 08 02.522 -06 16 21.10 U F52
2023-04-18 11:37:45 C 14 08 00.857 -06 16 01.57 U F52
2023-04-18 11:54:29 C 14 07 59.214 -06 15 41.91 U F52
2023-04-25 08:18:50 C 13 50 45.288 -02 41 28.87 X F52
2023-04-25 08:37:14 C 13 50 43.029 -02 41 02.71 X F52
2023-04-25 08:55:46 C 13 50 40.753 -02 40 36.29 X F52
2023-04-25 15:21:21 C 13 49 55.20 -02 31 29.4 V D29
2023-04-25 15:25:10 C 13 49 54.72 -02 31 21.9 V D29
2023-04-25 15:41:43 C 13 49 52.73 -02 30 59.4 V D29
2023-04-25 15:45:32 C 13 49 52.25 -02 30 54.3 V D29
2023-04-25 16:02:05 C 13 49 50.21 -02 30 30.6 V D29
2023-04-29 05:19:23 C 13 39 20.365 -00 23 00.17 V G96
2023-04-29 05:26:48 C 13 39 19.314 -00 22 48.22 V G96
2023-04-29 05:41:37 C 13 39 17.330 -00 22 25.25 V G96
2023-05-08 13:37:53 C 13 08 02.72 +05 46 47.1 V D29
2023-05-08 13:40:26 C 13 08 02.48 +05 46 50.7 V D29
2023-05-08 13:58:15 C 13 07 59.65 +05 47 20.7 V D29
2023-05-08 14:21:10 C 13 07 56.07 +05 48 01.3 V D29
2023-05-14 08:47:13 C 12 47 01.072 +09 45 23.92 X F51
2023-05-14 09:02:57 C 12 46 58.538 +09 45 50.61 X F51
2023-05-14 09:18:47 C 12 46 55.990 +09 46 17.41 X F51