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
2018-06-15 13:49:28 C 13 50 37.39 -05 07 53.2 q D29
2020-01-30 13:45:03 C 13 59 14.353 +04 40 34.70 U F51
2020-01-30 14:00:48 C 13 59 14.857 +04 40 35.46 U F51
2020-01-30 14:16:47 C 13 59 15.362 +04 40 36.61 U F51
2020-01-30 14:32:34 C 13 59 15.863 +04 40 37.60 U F51
2020-02-16 12:36:49 C 14 08 54.17 +05 33 27.9 V G96
2020-02-16 12:42:59 C 14 08 54.27 +05 33 29.3 V G96
2020-02-16 12:49:07 C 14 08 54.32 +05 33 30.5 V G96
2020-02-16 12:55:17 C 14 08 54.41 +05 33 31.6 V G96
2020-03-25 08:32:47 C 13 54 22.74 +10 10 38.9 V G96
2020-03-25 08:40:09 C 13 54 22.40 +10 10 41.6 V G96
2020-03-25 08:47:31 C 13 54 22.03 +10 10 44.1 V G96
2020-03-25 08:54:53 C 13 54 21.68 +10 10 46.6 V G96
2020-04-21 07:29:54 C 13 16 07.27 +12 35 55.8 V 703
2020-04-21 07:45:02 C 13 16 06.28 +12 35 56.6 V 703
2020-04-21 08:12:45 C 13 16 04.871 +12 35 59.76 U F52
2020-04-21 08:42:54 C 13 16 02.931 +12 36 01.38 U F52
2020-04-21 08:58:07 C 13 16 01.949 +12 36 02.16 U F52
2020-04-22 06:55:01 C 13 14 40.12 +12 36 55.6 V G96
2020-04-22 07:03:06 C 13 14 39.48 +12 36 56.0 V G96
2020-04-22 07:11:10 C 13 14 39.04 +12 36 55.5 V G96
2020-04-22 07:19:14 C 13 14 38.54 +12 36 56.0 V G96
2020-04-23 06:37:46 C 13 13 12.67 +12 37 32.5 U I41
2020-04-23 07:55:36 C 13 13 08.105 +12 37 35.73 U F51
2020-04-23 08:10:14 C 13 13 06.80 +12 37 34.3 U I41
2020-04-23 08:11:18 C 13 13 07.110 +12 37 36.01 U F51
2020-04-23 08:27:04 C 13 13 06.103 +12 37 36.31 U F51
2020-04-23 08:42:56 C 13 13 05.118 +12 37 36.57 U F51
2020-04-25 06:24:04 C 13 10 19.41 +12 37 39.7 U I41
2020-04-25 07:03:31 C 13 10 16.98 +12 37 39.2 U I41
2020-04-26 06:02:21 C 13 08 55.41 +12 37 09.2 U I41
2020-04-26 06:58:05 C 13 08 52.02 +12 37 07.6 U I41
2020-04-26 07:18:09 C 13 08 51.150 +12 37 08.54 U F52
2020-04-26 07:34:04 C 13 08 50.193 +12 37 08.08 U F52
2020-04-26 07:49:57 C 13 08 49.222 +12 37 07.68 U F52
2020-04-26 08:05:50 C 13 08 48.246 +12 37 07.15 U F52
2020-05-18 14:20:39 C 12 45 04.63 +10 52 22.2 q D29
2020-05-18 14:41:01 C 12 45 04.05 +10 52 15.1 q D29
2020-05-18 15:01:22 C 12 45 03.47 +10 52 08.5 q D29
2020-05-21 06:01:32 C 12 43 28.92 +10 29 44.2 V G96
2020-05-21 06:09:03 C 12 43 28.74 +10 29 41.6 V G96
2020-05-21 06:16:34 C 12 43 28.59 +10 29 38.0 V G96
2020-05-21 06:24:04 C 12 43 28.44 +10 29 35.7 V G96
2020-07-12 06:33:21 C 13 02 18.926 -00 39 41.73 U F52
2020-07-12 06:41:02 C 13 02 19.280 -00 39 46.30 U F52
2020-07-12 06:48:46 C 13 02 19.618 -00 39 51.31 U F52
2020-07-12 06:56:27 C 13 02 19.956 -00 39 56.25 U F52
2022-02-03 09:30:52 C 13 06 52.96 +13 42 42.0 V G96
2022-02-03 09:38:58 C 13 06 52.97 +13 42 44.8 V G96
2022-02-03 09:47:04 C 13 06 53.02 +13 42 47.3 V G96