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
2015-01-11 08:49:01 C 03 10 39.490 +23 21 41.59 L F51
2015-01-11 08:50:56 C 03 10 39.567 +23 21 42.52 L F51
2015-01-14 07:41:50 C 03 13 52.459 +23 59 07.58 L F51
2015-01-14 08:00:17 C 03 13 53.281 +23 59 16.95 L F51
2015-01-14 08:18:41 C 03 13 54.103 +23 59 26.26 L F51
2015-01-14 08:37:03 C 03 13 54.926 +23 59 35.56 L F51
2015-01-16 03:39:20 C 03 16 00.38 +24 21 26.4 R G45
2015-01-16 03:45:26 C 03 16 00.68 +24 21 29.4 R G45
2015-01-16 03:51:30 C 03 16 01.03 +24 21 32.5 R G45
2015-01-16 04:01:04 C 03 16 01.47 +24 21 38.5 R G45
2015-01-16 04:07:11 C 03 16 01.64 +24 21 40.7 R G45
2015-01-16 04:13:03 C 03 16 01.96 +24 21 43.2 R G45
2015-01-17 03:38:00 C 03 17 12.66 +24 33 21.4 R G45
2015-01-17 03:44:06 C 03 17 12.98 +24 33 24.5 R G45
2015-01-17 03:59:55 C 03 17 13.76 +24 33 32.7 R G45
2015-01-17 04:05:47 C 03 17 14.02 +24 33 35.3 R G45
2015-01-17 04:12:03 C 03 17 14.31 +24 33 37.8 R G45
2015-01-17 05:18:21 C 03 17 17.56 +24 34 10.0 R G45
2015-01-17 05:30:46 C 03 17 18.15 +24 34 16.3 R G45
2015-01-17 05:36:38 C 03 17 18.44 +24 34 19.4 R G45
2015-01-17 05:42:44 C 03 17 18.77 +24 34 21.6 R G45
2015-01-18 03:36:49 C 03 18 26.72 +24 45 05.6 R G45
2015-01-18 03:43:07 C 03 18 27.06 +24 45 08.8 R G45
2015-01-18 03:49:06 C 03 18 27.35 +24 45 12.0 R G45
2015-01-18 03:52:41 C 03 18 27.53 +24 45 13.5 R G45
2015-01-18 03:58:33 C 03 18 27.80 +24 45 15.8 R G45
2015-01-18 05:22:06 C 03 18 31.99 +24 45 55.6 R G45
2015-01-18 05:28:04 C 03 18 32.27 +24 45 59.0 R G45
2015-01-18 05:33:57 C 03 18 32.60 +24 46 01.4 R G45
2015-01-18 05:39:54 C 03 18 32.89 +24 46 04.1 R G45
2015-01-19 03:34:14 C 03 19 42.43 +24 56 38.2 R G45
2015-01-19 03:40:20 C 03 19 42.75 +24 56 41.2 R G45
2015-01-19 03:56:13 C 03 19 43.52 +24 56 48.7 R G45
2015-01-19 05:24:22 C 03 19 48.09 +24 57 30.0 R G45
2015-01-19 05:30:14 C 03 19 48.37 +24 57 33.2 R G45
2015-01-24 03:26:02 C 03 26 25.88 +25 51 48.3 R G45
2015-01-24 03:31:07 C 03 26 26.24 +25 51 50.4 R G45
2015-01-24 03:37:06 C 03 26 26.54 +25 51 52.4 R G45
2015-01-24 03:42:58 C 03 26 26.93 +25 51 55.5 R G45
2015-01-24 03:48:56 C 03 26 27.18 +25 51 58.2 R G45
2015-01-25 18:34:27 C 03 28 46.42 +26 08 54.8 t G36
2015-01-25 20:41:34 C 03 28 53.81 +26 09 49.6 t G36
2015-01-25 22:42:34 C 03 29 00.93 +26 10 40.7 t G36
2015-02-05 02:11:27 C 03 44 56.55 +27 47 45.3 q 448
2015-02-05 02:41:08 C 03 44 58.55 +27 47 57.0 q 448
2015-02-05 03:40:57 C 03 45 02.55 +27 48 18.0 q 448
2015-02-13 02:10:20 C 03 58 53.37 +28 53 46.6 q 448
2015-02-13 03:06:53 C 03 58 57.61 +28 54 04.5 q 448
2015-02-13 04:08:45 C 03 59 02.04 +28 54 23.2 q 448
2015-02-14 02:42:43 C 04 00 44.87 +29 01 34.4 R G45