2009 HY51

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3062192532 ± 1.45e-06
Semi-major axis (a)1.7101631380 AU ± 2.07e-07
Inclination (i)13.62447146° ± 7.42e-05
Long. of Asc. Node (Ω)62.36642021° ± 3.52e-05
Arg. of Perihelion (ω)81.56001284° ± 8.80e-05
Mean Anomaly (M)191.93275267° ± 3.42e-04
Mean Motion (n)0.4407131046°/day ± 8.00e-08
Perihelion dist (q)1.18647826 AU ± 2.48e-06
Aphelion dist (Q)2.23384802 AU ± 2.49e-06
Orbital Period2.23643516 yr ± 4.06e-07
Physical Parameters
H (abs. magnitude)20.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.268″
Uncertainty0
Orbit TypeAmor
MOID0.314687 AU
Observations Used83
Oppositions6
Arc Total2009-2019
First Observation Used2009-04-23
Last Observation Used2019-12-31
Observations (92)
Date Type RA Dec Mag Band Observatory
2009-04-23 10:34:48 C 15 39 54.17 -01 50 56.8 o 691
2009-04-23 11:00:14 C 15 39 52.16 -01 51 15.7 o 691
2009-04-23 11:25:41 C 15 39 50.18 -01 51 35.0 o 691
2009-04-23 14:02:36 C 15 39 39.25 -01 53 08.0 o 474
2009-04-23 14:05:22 C 15 39 39.03 -01 53 11.6 o 474
2009-04-23 14:08:52 C 15 39 38.74 -01 53 14.1 o 474
2009-04-24 06:19:54 C 15 38 26.81 -02 05 47.4 o 291
2009-04-24 06:39:04 C 15 38 25.17 -02 06 01.9 o 291
2009-04-24 06:44:55 C 15 38 24.79 -02 06 05.3 o 291
2009-04-24 07:58:56 C 15 38 18.61 -02 07 02.4 r H36
2009-04-24 08:26:56 C 15 38 16.40 -02 07 24.5 r H36
2009-04-26 09:42:24 C 15 34 30.17 -02 44 57.8 o 291
2009-04-26 09:47:41 C 15 34 29.73 -02 45 02.9 o 291
2009-04-27 09:34:14 C 15 32 38.49 -03 03 26.1 o 291
2009-04-27 09:39:39 C 15 32 38.03 -03 03 30.3 o 291
2009-04-27 09:44:55 C 15 32 37.61 -03 03 34.5 o 291
2009-04-28 09:55:12 C 15 30 43.15 -03 22 23.5 o 291
2009-04-28 10:00:32 C 15 30 42.78 -03 22 29.8 o 291
2009-04-28 10:05:48 C 15 30 42.37 -03 22 34.5 o 291
2009-04-29 07:39:39 C 15 29 00.41 -03 39 30.8 o 291
2009-04-29 07:45:20 C 15 28 59.89 -03 39 35.6 o 291
2009-04-29 08:37:29 C 15 28 55.49 -03 40 16.7 o 691
2009-04-29 09:28:18 C 15 28 51.21 -03 40 56.5 o 691
2009-05-03 08:52:05 C 15 21 12.89 -04 56 51.3 o 291
2009-05-03 08:57:30 C 15 21 12.42 -04 56 54.9 o 291
2009-05-03 09:03:02 C 15 21 11.92 -04 56 59.8 o 291
2009-05-12 04:41:19 C 15 04 47.37 -07 46 07.6 o H55
2009-05-12 04:59:44 C 15 04 45.90 -07 46 21.3 o H55
2009-05-12 05:17:45 C 15 04 44.48 -07 46 34.7 o H55
2009-05-14 08:42:37 C 15 01 02.43 -08 26 45.7 o 291
2009-05-14 08:48:00 C 15 01 02.16 -08 26 50.9 o 291
2009-05-14 08:55:01 C 15 01 01.50 -08 26 55.3 o 291
2009-05-16 07:25:33 C 14 57 50.14 -09 02 47.2 r G96
2009-05-16 07:36:45 C 14 57 49.32 -09 02 55.8 r G96
2009-05-16 07:47:49 C 14 57 48.56 -09 03 04.1 r G96
2009-05-16 07:58:48 C 14 57 47.77 -09 03 12.8 r G96
2009-05-30 04:06:28 C 14 40 09.36 -13 00 09.9 o 291
2009-05-30 04:12:10 C 14 40 09.12 -13 00 14.2 o 291
2009-05-30 04:17:58 C 14 40 08.91 -13 00 17.2 o 291
2009-05-31 04:20:33 C 14 39 16.02 -13 16 00.7 o 291
2009-05-31 04:25:58 C 14 39 15.66 -13 16 03.8 o 291
2009-05-31 04:32:36 C 14 39 15.54 -13 16 07.7 o 291
2019-11-19 08:10:15 C 03 25 06.93 +13 30 39.6 V V00
2019-11-19 08:19:23 C 03 25 06.14 +13 30 44.1 V V00
2019-11-19 08:28:30 C 03 25 05.37 +13 30 48.5 V V00
2019-11-19 08:37:37 C 03 25 04.57 +13 30 53.2 V V00
2019-11-20 04:32:33 C 03 23 25.52 +13 41 20.0 u 807
2019-11-20 04:41:25 C 03 23 24.74 +13 41 24.4 u 807
2019-11-20 04:50:15 C 03 23 23.97 +13 41 28.8 u 807
2019-11-21 05:28:20 C 03 21 19.68 +13 54 16.6 u 807