489885 (2008 HY37)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3545345944 ± 1.01e-07
Semi-major axis (a)1.7201266944 AU ± 1.95e-08
Inclination (i)35.14125944° ± 1.63e-05
Long. of Asc. Node (Ω)26.06335727° ± 1.32e-05
Arg. of Perihelion (ω)1.69194161° ± 2.73e-05
Mean Anomaly (M)102.49364566° ± 1.35e-05
Mean Motion (n)0.4368895156°/day ± 7.43e-09
Perihelion dist (q)1.11028227 AU ± 1.75e-07
Aphelion dist (Q)2.32997111 AU ± 1.77e-07
Orbital Period2.25600809 yr ± 3.84e-08
Physical Parameters
H (abs. magnitude)18.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.409″
Uncertainty0
Orbit TypeAmor
MOID0.112911 AU
Observations Used100
Oppositions9
Arc Total2008-2024
First Observation Used2008-04-29
Last Observation Used2024-05-03
Observations (106)
Date Type RA Dec Mag Band Observatory
2008-04-29 03:53:07 C 13 07 49.06 -09 08 19.8 o 691
2008-04-29 04:08:43 C 13 07 47.94 -09 08 21.5 o 691
2008-04-29 04:24:19 C 13 07 46.78 -09 08 23.8 o 691
2008-04-29 05:12:12 C 13 07 43.25 -09 08 30.1 o 291
2008-04-29 05:17:43 C 13 07 42.90 -09 08 31.5 o 291
2008-04-29 05:23:07 C 13 07 42.46 -09 08 32.6 o 291
2008-04-30 05:19:50 C 13 06 00.03 -09 11 53.1 r G96
2008-04-30 05:25:13 C 13 05 59.72 -09 11 53.2 o 291
2008-04-30 05:28:57 C 13 05 59.38 -09 11 54.4 r G96
2008-04-30 05:30:36 C 13 05 59.26 -09 11 55.5 o 291
2008-04-30 05:36:03 C 13 05 58.88 -09 11 55.3 o 291
2008-04-30 05:38:11 C 13 05 58.70 -09 11 55.5 r G96
2008-04-30 05:47:18 C 13 05 58.02 -09 11 57.2 r G96
2008-05-02 05:38:02 C 13 02 38.34 -09 18 42.6 o 291
2008-05-02 05:49:03 C 13 02 37.64 -09 18 44.6 o 291
2008-05-02 05:56:55 C 13 02 37.08 -09 18 45.5 o 291
2008-05-03 04:45:50 C 13 01 04.45 -09 22 00.9 o 291
2008-05-03 04:52:25 C 13 01 04.01 -09 22 01.6 o 291
2008-05-03 04:57:45 C 13 01 03.68 -09 22 02.2 o 291
2008-05-05 04:20:34 C 12 57 56.57 -09 28 54.0 22.1 o H55
2008-05-05 04:33:30 C 12 57 55.66 -09 28 56.8 22.0 o H55
2008-05-05 04:47:08 C 12 57 54.67 -09 28 59.4 22.1 o H55
2008-06-03 03:58:22 C 12 29 09.90 -11 34 11.2 o 291
2008-06-03 04:15:38 C 12 29 09.62 -11 34 13.7 o 291
2008-06-03 04:32:36 C 12 29 09.22 -11 34 17.4 o 291
2010-03-09 09:54:58 C 13 22 57.69 +25 47 29.9 c 926
2010-03-09 10:08:49 C 13 22 56.58 +25 47 31.7 c 926
2010-03-09 10:22:39 C 13 22 55.52 +25 47 33.7 c 926
2010-03-10 09:54:57 C 13 21 06.29 +25 49 56.5 c 926
2010-03-10 10:01:54 C 13 21 05.66 +25 49 57.0 c 926
2010-03-10 10:08:49 C 13 21 05.17 +25 49 57.8 c 926
2010-03-10 10:15:43 C 13 21 04.61 +25 49 57.7 c 926
2010-03-10 10:22:40 C 13 21 04.06 +25 49 59.0 c 926
2010-03-26 04:34:07 C 12 48 33.63 +25 38 51.4 o 291
2010-03-26 04:40:03 C 12 48 33.11 +25 38 50.2 o 291
2010-04-22 08:28:09 C 11 58 29.72 +21 24 24.4 o 291
2010-04-22 08:33:49 C 11 58 29.29 +21 24 21.1 o 291
2010-04-22 08:46:12 C 11 58 28.66 +21 24 13.2 o 291
2012-03-04 11:32:02 C 10 30 10.70 +71 25 32.6 o 291
2012-03-04 11:35:19 C 10 30 10.09 +71 25 28.9 o 291
2012-03-04 11:38:36 C 10 30 09.53 +71 25 26.0 o 291
2012-03-05 09:17:38 C 10 26 26.09 +71 03 55.3 o 291
2012-03-05 09:21:09 C 10 26 25.40 +71 03 51.5 o 291
2012-03-05 09:24:40 C 10 26 24.85 +71 03 48.0 o 291
2013-12-23 02:08:58 C 22 29 42.29 -05 29 21.4 o 291
2013-12-23 02:12:14 C 22 29 42.63 -05 29 14.1 o 291
2017-03-07 13:35:20 C 14 25 04.705 -03 13 26.66 L F51
2017-03-07 13:54:27 C 14 25 03.993 -03 13 29.30 L F51
2017-03-07 14:13:28 C 14 25 03.293 -03 13 32.04 L F51
2017-04-26 08:45:42 C 13 05 28.121 -05 58 12.79 L F51