343158 (2009 HC82)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8068039987 ± 2.57e-08
Semi-major axis (a)2.5270197650 AU ± 1.45e-08
Inclination (i)154.34899969° ± 3.59e-06
Long. of Asc. Node (Ω)295.50320552° ± 1.45e-05
Arg. of Perihelion (ω)298.99507100° ± 1.38e-05
Mean Anomaly (M)87.37815237° ± 5.87e-06
Mean Motion (n)0.2453574888°/day ± 2.11e-09
Perihelion dist (q)0.48821011 AU ± 6.50e-08
Aphelion dist (Q)4.56582942 AU ± 7.00e-08
Orbital Period4.01710291 yr ± 3.45e-08
Physical Parameters
H (abs. magnitude)16.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.252″
Uncertainty0
Orbit TypeApollo
MOID0.147656 AU
Observations Used320
Oppositions16
Arc Total2004-2025
First Observation Used2004-03-18
Last Observation Used2025-06-16
Observations (344)
Date Type RA Dec Mag Band Observatory
2020-10-18 14:53:45 C 10 08 13.90 -00 15 25.7 V T08
2020-10-18 15:11:47 C 10 08 16.21 -00 16 09.2 V T08
2020-10-18 15:24:32 C 10 08 17.81 -00 16 39.4 V T08
2020-10-20 14:44:38 C 10 14 54.94 -02 18 00.9 V T05
2020-10-20 14:59:10 C 10 14 57.12 -02 18 41.2 V T05
2020-10-20 15:12:21 C 10 14 59.19 -02 19 16.8 V T05
2020-10-20 15:21:36 C 10 15 00.52 -02 19 43.0 V T05
2020-10-21 12:39:55 C 10 18 22.59 -03 20 37.4 U I41
2020-10-21 12:46:37 C 10 18 23.68 -03 20 57.3 U I41
2020-10-21 12:53:22 C 10 18 24.78 -03 21 17.2 U I41
2020-10-21 13:00:06 C 10 18 25.88 -03 21 37.1 U I41
2021-02-10 13:09:22 C 18 08 16.80 -06 23 14.5 U I41
2021-02-10 13:13:48 C 18 08 16.70 -06 23 11.3 U I41
2021-02-10 13:18:14 C 18 08 16.60 -06 23 08.0 U I41
2021-02-10 13:22:39 C 18 08 16.51 -06 23 04.9 U I41
2021-02-10 13:27:02 C 18 08 16.44 -06 23 01.5 U I41
2021-03-21 20:34:28 C 17 22 25.43 +08 59 04.9 q D29
2021-03-21 20:54:49 C 17 22 23.53 +08 59 30.2 q D29
2021-03-22 12:00:32 C 17 20 58.71 +09 18 23.8 V G96
2021-03-22 12:09:38 C 17 20 57.86 +09 18 35.2 V G96
2021-03-22 12:18:42 C 17 20 56.96 +09 18 46.9 V G96
2021-03-22 12:27:49 C 17 20 56.10 +09 18 58.0 V G96
2021-04-07 10:10:40 C 16 35 31.89 +17 31 58.7 V G96
2021-04-07 10:18:54 C 16 35 30.70 +17 32 09.3 V G96
2021-04-07 10:27:08 C 16 35 29.52 +17 32 19.5 V G96
2021-04-07 10:35:24 C 16 35 28.32 +17 32 30.0 V G96
2021-04-09 10:43:18 C 16 28 27.78 +18 32 43.1 V 703
2021-04-09 11:06:08 C 16 28 24.37 +18 33 11.0 V 703
2021-04-13 10:13:42 C 16 13 50.44 +20 26 57.3 V 703
2021-04-13 10:22:06 C 16 13 49.01 +20 27 08.2 V 703
2021-04-13 10:30:02 C 16 13 47.73 +20 27 18.0 V 703
2021-04-13 10:37:46 C 16 13 46.51 +20 27 26.0 V 703
2021-04-17 10:21:44 C 15 58 20.40 +22 12 22.5 V G96
2021-04-17 10:30:07 C 15 58 19.01 +22 12 31.2 V G96
2021-04-17 10:38:27 C 15 58 17.62 +22 12 39.8 V G96
2021-04-17 10:46:48 C 15 58 16.24 +22 12 48.0 V G96
2021-04-17 14:09:05 C 15 57 42.911 +22 16 18.64 U F51
2021-04-17 14:19:18 C 15 57 41.214 +22 16 29.16 U F51
2021-04-17 14:21:10 C 15 57 40.901 +22 16 31.05 U F51
2021-04-17 14:31:22 C 15 57 39.206 +22 16 41.61 U F51
2021-04-17 14:33:14 C 15 57 38.893 +22 16 43.47 U F51
2021-04-17 14:43:26 C 15 57 37.204 +22 16 54.02 U F51
2021-05-05 07:56:16 C 14 47 24.69 +27 11 03.7 V G96
2021-05-05 08:03:45 C 14 47 23.53 +27 11 06.1 V G96
2021-05-05 08:11:15 C 14 47 22.35 +27 11 08.6 V G96
2021-05-05 08:18:44 C 14 47 21.18 +27 11 11.3 V G96
2021-05-12 08:37:52 C 14 22 45.53 +27 46 57.7 U I41
2021-05-12 08:39:14 C 14 22 45.35 +27 46 58.1 U I41
2021-05-12 09:09:23 C 14 22 41.19 +27 47 00.7 U I41
2021-05-12 09:27:05 C 14 22 38.75 +27 47 02.3 U I41