2009 HS2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8236373018 ± 1.68e-07
Semi-major axis (a)2.5110542404 AU ± 2.12e-08
Inclination (i)15.63009098° ± 3.07e-05
Long. of Asc. Node (Ω)29.19561763° ± 1.30e-05
Arg. of Perihelion (ω)56.61546071° ± 3.71e-05
Mean Anomaly (M)71.87152786° ± 3.61e-06
Mean Motion (n)0.2477012142°/day ± 3.14e-09
Perihelion dist (q)0.44285630 AU ± 4.22e-07
Aphelion dist (Q)4.57925218 AU ± 4.23e-07
Orbital Period3.97909347 yr ± 5.04e-08
Physical Parameters
H (abs. magnitude)21.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.271″
Uncertainty0
Orbit TypeApollo
MOID0.089860 AU
Observations Used121
Oppositions12
Arc Total2009-2025
First Observation Used2009-04-18
Last Observation Used2025-04-21
Observations (126)
Date Type RA Dec Mag Band Observatory
2017-04-03 21:31:53 C 14 34 03.67 +15 38 37.3 18.7 S 104
2017-04-03 21:44:33 C 14 33 56.47 +15 37 43.8 18.7 S 104
2017-04-03 21:50:53 C 14 33 52.86 +15 37 16.8 18.7 S 104
2017-04-04 09:56:46 C 14 27 14.02 +14 46 50.7 o 926
2017-04-04 10:00:02 C 14 27 12.28 +14 46 36.9 o 926
2017-04-04 10:03:16 C 14 27 10.52 +14 46 23.5 o 926
2017-04-04 12:00:36 C 14 26 07.58 +14 38 20.3 q I52
2017-04-04 12:07:52 C 14 26 03.71 +14 37 49.8 q I52
2017-04-04 12:11:02 C 14 26 02.01 +14 37 36.4 q I52
2017-04-04 21:56:32 C 14 21 07.38 +13 58 17.2 U J95
2017-04-04 22:07:18 C 14 21 01.97 +13 57 34.6 U J95
2017-04-04 22:14:29 C 14 20 58.32 +13 57 06.6 U J95
2017-04-05 05:33:12 C 14 17 25.17 +13 28 55.5 u 926
2017-04-05 05:40:09 C 14 17 21.72 +13 28 29.7 u 926
2017-04-05 06:26:55 C 14 16 59.02 +13 25 31.0 q I52
2017-04-05 06:28:01 C 14 16 58.48 +13 25 26.8 q I52
2017-04-05 06:29:07 C 14 16 57.94 +13 25 22.4 q I52
2017-04-05 06:30:12 C 14 16 57.40 +13 25 18.3 q I52
2017-04-05 08:46:50 C 14 15 51.22 +13 16 40.7 o 926
2017-04-05 08:50:22 C 14 15 49.51 +13 16 27.2 o 926
2017-04-05 08:55:47 C 14 15 46.90 +13 16 06.6 o 926
2017-04-05 13:30:49 C 14 13 38.03 +12 59 00.5 o F65
2017-04-05 13:33:04 C 14 13 36.99 +12 58 52.8 o F65
2017-04-05 13:33:50 C 14 13 36.58 +12 58 49.4 o F65
2017-04-05 13:35:21 C 14 13 35.91 +12 58 44.0 o F65
2017-04-05 13:36:07 C 14 13 35.49 +12 58 40.7 o F65
2017-04-05 13:36:52 C 14 13 35.10 +12 58 37.6 o F65
2017-04-05 13:37:37 C 14 13 34.82 +12 58 35.1 o F65
2017-04-05 13:38:23 C 14 13 34.45 +12 58 32.3 o F65
2017-04-05 13:39:08 C 14 13 34.04 +12 58 29.0 o F65
2017-04-06 05:44:56 C 14 06 31.87 +12 00 06.1 q G96
2017-04-06 05:47:00 C 14 06 30.98 +11 59 59.1 q G96
2017-04-06 05:48:59 C 14 06 30.13 +11 59 52.1 q G96
2017-04-06 05:51:31 C 14 06 29.05 +11 59 43.1 q G96
2017-04-06 08:07:38 C 14 05 29.82 +11 51 44.5 q H36
2017-04-06 08:17:03 C 14 05 25.76 +11 51 11.2 q H36
2017-04-06 08:35:51 C 14 05 17.75 +11 50 06.9 q H36
2017-04-06 08:59:01 C 14 05 08.43 +11 48 50.0 q G96
2017-04-06 09:00:57 C 14 05 07.08 +11 48 39.7 q H36
2017-04-06 09:05:09 C 14 05 05.85 +11 48 29.8 q G96
2017-04-06 09:11:16 C 14 05 03.21 +11 48 08.3 q G96
2017-04-06 09:17:24 C 14 05 00.65 +11 47 47.2 q G96
2017-04-06 21:46:17 C 14 00 01.07 +11 05 25.5 q I93
2017-04-06 21:55:30 C 13 59 57.51 +11 04 54.1 q I93
2017-04-06 22:05:38 C 13 59 53.51 +11 04 19.3 q I93
2017-04-06 22:10:21 C 13 59 51.34 +11 04 04.7 U 587
2017-04-06 22:17:36 C 13 59 48.46 +11 03 40.9 U 587
2021-04-03 09:24:32 C 14 50 36.56 +14 49 27.1 V 703
2021-04-03 09:32:04 C 14 50 31.12 +14 48 50.7 V 703
2021-04-03 09:39:36 C 14 50 25.66 +14 48 13.0 V 703