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
2014-10-25 01:44:17 C 04 06 32.92 -08 48 37.8 q 160
2014-10-25 01:47:03 C 04 06 32.72 -08 48 33.8 q 160
2014-10-26 01:49:22 C 04 05 02.57 -08 21 20.7 t 160
2014-10-26 01:50:51 C 04 05 02.35 -08 21 21.6 t 160
2014-10-27 23:24:02 C 04 02 04.08 -07 28 15.9 q 160
2014-10-27 23:26:51 C 04 02 03.87 -07 28 13.6 q 160
2014-10-27 23:29:43 C 04 02 03.68 -07 28 09.6 q 160
2014-10-28 06:54:41 C 04 01 33.92 -07 19 16.0 q 703
2014-10-28 07:02:43 C 04 01 33.35 -07 19 06.6 q 703
2014-10-28 07:10:45 C 04 01 32.73 -07 18 57.0 q 703
2014-10-28 07:18:47 C 04 01 32.14 -07 18 47.6 q 703
2014-10-30 09:47:18 C 03 58 00.01 -06 17 29.6 q 448
2014-10-30 09:55:26 C 03 57 59.38 -06 17 19.6 q 448
2014-10-30 10:02:13 C 03 57 58.87 -06 17 11.1 q 448
2014-10-30 10:07:52 C 03 57 58.41 -06 17 04.3 q 448
2014-10-30 10:13:33 C 03 57 57.98 -06 16 57.2 q 448
2014-11-01 23:50:14 C 03 53 28.75 -04 59 26.6 q 160
2014-11-01 23:53:00 C 03 53 28.53 -04 59 23.1 q 160
2014-11-01 23:55:46 C 03 53 28.31 -04 59 19.4 q 160
2014-11-04 05:41:30 C 03 49 25.17 -03 49 27.9 q 703
2014-11-04 05:52:21 C 03 49 24.27 -03 49 14.1 q 703
2014-11-04 06:03:13 C 03 49 23.42 -03 48 59.2 q 703
2014-11-04 06:18:01 C 03 49 22.22 -03 48 40.5 q 703
2014-11-09 09:49:45 C 03 39 45.98 -01 03 07.8 q 448
2014-11-09 10:03:12 C 03 39 44.87 -01 02 49.3 q 448
2014-11-09 10:09:14 C 03 39 44.37 -01 02 41.3 q 448
2014-11-09 10:15:16 C 03 39 43.88 -01 02 32.8 q 448
2014-11-09 10:19:48 C 03 39 43.49 -01 02 26.7 q 448
2014-11-10 06:44:00 C 03 38 09.14 -00 34 42.3 q H45
2014-11-10 06:44:53 C 03 38 09.09 -00 34 40.9 q H45
2014-11-10 06:46:09 C 03 38 08.98 -00 34 39.3 q H45
2014-11-10 06:48:04 C 03 38 08.81 -00 34 36.2 q H45
2014-11-10 06:50:10 C 03 38 08.60 -00 34 33.7 q H45
2014-11-10 06:51:04 C 03 38 08.56 -00 34 32.3 q H45
2014-11-10 11:13:47 C 03 37 48.089 -00 28 29.02 L F51
2014-11-10 11:32:12 C 03 37 46.536 -00 28 03.97 L F51
2014-11-10 11:50:40 C 03 37 44.982 -00 27 38.75 L F51
2014-11-10 12:09:07 C 03 37 43.433 -00 27 13.59 L F51
2014-11-11 05:50:34 C 03 36 21.47 -00 02 43.7 q W88
2014-11-11 06:00:31 C 03 36 20.65 -00 02 30.4 q W88
2014-11-11 06:10:22 C 03 36 19.83 -00 02 16.8 q W88
2014-11-11 06:20:20 C 03 36 19.00 -00 02 03.0 q W88
2014-11-15 21:37:11 C 03 27 54.87 +02 29 02.7 r 006
2014-11-15 21:41:49 C 03 27 54.53 +02 29 09.1 r 006
2014-11-15 21:51:14 C 03 27 53.84 +02 29 22.4 r 006
2014-11-15 21:57:31 C 03 27 53.40 +02 29 30.7 r 006
2014-11-16 02:13:55 C 03 27 34.66 +02 35 45.5 u X14
2014-11-16 02:29:24 C 03 27 33.45 +02 36 06.8 u X14
2014-11-16 02:33:51 C 03 27 33.06 +02 36 12.1 u X14
2014-11-16 19:31:26 C 03 26 19.55 +02 58 38.9 r 006