159533 (2001 HH31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2888585292 ± 2.93e-09
Semi-major axis (a)1.6546236597 AU ± 2.13e-09
Inclination (i)12.85133130° ± 3.90e-07
Long. of Asc. Node (Ω)71.60731232° ± 3.59e-07
Arg. of Perihelion (ω)275.98680386° ± 1.04e-06
Mean Anomaly (M)100.70770514° ± 3.68e-06
Mean Motion (n)0.4630878974°/day ± 8.93e-10
Perihelion dist (q)1.17667150 AU ± 5.08e-09
Aphelion dist (Q)2.13257582 AU ± 5.57e-09
Orbital Period2.12837841 yr ± 4.11e-09
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.008″
Uncertainty0
Orbit TypeAmor
MOID0.290382 AU
Observations Used706
Gaia Obs Used90
Oppositions10
Arc Total1997-2016
First Observation Used1997-11-06
Last Observation Used2026-01-08
Observations (748)
Date Type RA Dec Mag Band Observatory
2014-12-07 04:24:22 C 03 00 54.18 +12 48 35.1 u H21
2014-12-07 04:26:57 C 03 00 54.10 +12 48 37.8 u H21
2014-12-07 04:29:31 C 03 00 54.03 +12 48 40.8 u H21
2014-12-07 04:32:06 C 03 00 53.93 +12 48 43.5 u H21
2014-12-07 04:37:15 C 03 00 53.80 +12 48 48.7 u H21
2014-12-09 21:27:40 C 02 59 20.28 +13 53 34.3 c A24
2014-12-09 21:28:42 C 02 59 20.22 +13 53 35.0 c A24
2014-12-09 22:31:17 C 02 59 18.69 +13 54 36.2 c A24
2014-12-09 22:32:19 C 02 59 18.69 +13 54 37.0 c A24
2014-12-10 00:00:52 C 02 59 16.54 +13 56 02.3 q 160
2014-12-10 00:03:51 C 02 59 16.51 +13 56 05.1 q 160
2014-12-10 00:06:50 C 02 59 16.42 +13 56 07.5 q 160
2014-12-11 03:39:53 C 02 58 45.98 +14 22 40.5 q G96
2014-12-11 03:47:15 C 02 58 45.82 +14 22 47.5 q G96
2014-12-11 03:54:38 C 02 58 45.63 +14 22 54.0 q G96
2014-12-11 04:01:59 C 02 58 45.51 +14 23 01.6 q G96
2014-12-11 06:01:16 C 02 58 42.91 +14 24 54.8 q 703
2014-12-11 06:08:34 C 02 58 42.73 +14 25 01.6 q 703
2014-12-11 06:15:50 C 02 58 42.58 +14 25 08.9 q 703
2014-12-11 06:23:04 C 02 58 42.41 +14 25 15.5 q 703
2014-12-11 22:04:14 C 02 58 27.03 +14 39 59.7 c A24
2014-12-11 22:05:16 C 02 58 27.00 +14 40 00.5 c A24
2014-12-11 22:54:13 C 02 58 26.06 +14 40 45.6 q 160
2014-12-11 22:57:12 C 02 58 25.99 +14 40 48.6 q 160
2014-12-11 23:00:13 C 02 58 25.91 +14 40 51.5 q 160
2014-12-23 02:27:22 C 02 57 46.30 +18 26 01.5 q 703
2014-12-23 02:34:37 C 02 57 46.34 +18 26 07.3 q 703
2014-12-23 02:41:53 C 02 57 46.41 +18 26 12.9 q 703
2014-12-23 02:49:09 C 02 57 46.44 +18 26 18.2 q 703
2014-12-23 02:49:39 C 02 57 46.45 +18 26 18.5 q G96
2014-12-23 02:57:02 C 02 57 46.50 +18 26 24.1 q G96
2014-12-23 03:04:25 C 02 57 46.56 +18 26 29.8 q G96
2014-12-23 03:11:46 C 02 57 46.61 +18 26 35.2 q G96
2014-12-25 15:31:32 C 02 58 31.98 +19 11 00.2 o C94
2014-12-25 15:35:53 C 02 58 32.07 +19 11 03.1 o C94
2014-12-25 15:40:05 C 02 58 32.05 +19 11 05.7 o C94
2014-12-25 15:44:14 C 02 58 32.13 +19 11 08.1 o C94
2014-12-25 15:48:42 C 02 58 32.11 +19 11 11.5 o C94
2014-12-25 15:53:09 C 02 58 32.26 +19 11 16.0 o C94
2014-12-25 17:09:33 C 02 58 33.17 +19 12 12.8 o C94
2014-12-25 17:14:04 C 02 58 33.33 +19 12 13.0 o C94
2015-01-05 02:40:29 C 03 04 50.26 +21 56 10.9 q 448
2015-01-05 02:56:40 C 03 04 50.75 +21 56 20.4 q 448
2015-01-05 03:12:54 C 03 04 51.25 +21 56 30.3 q 448
2015-01-11 07:53:49 C 03 10 37.247 +23 21 12.24 L F51
2015-01-11 07:55:43 C 03 10 37.325 +23 21 13.17 L F51
2015-01-11 08:12:15 C 03 10 37.994 +23 21 22.04 L F51
2015-01-11 08:14:11 C 03 10 38.073 +23 21 23.03 L F51
2015-01-11 08:30:39 C 03 10 38.743 +23 21 31.82 L F51
2015-01-11 08:32:33 C 03 10 38.822 +23 21 32.78 L F51