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
2024-03-02 13:55:02 C 11 30 27.593 +29 01 12.86 X F52
2024-03-13 06:20:15 C 11 14 17.034 +30 15 45.58 V G96
2024-03-13 06:27:43 C 11 14 16.552 +30 15 46.91 V G96
2024-03-13 06:35:12 C 11 14 16.084 +30 15 48.49 V G96
2024-03-13 06:42:40 C 11 14 15.594 +30 15 49.82 V G96
2024-03-29 10:29:39 C 10 52 41.508 +30 34 47.46 X F51
2024-03-29 10:49:15 C 10 52 40.574 +30 34 45.42 X F51
2024-03-29 11:19:30 C 10 52 39.120 +30 34 42.32 X F51
2024-03-31 05:56:34 C 10 50 45.812 +30 30 14.96 X F52
2024-03-31 06:13:25 C 10 50 45.057 +30 30 12.97 X F52
2024-03-31 06:47:09 C 10 50 43.532 +30 30 09.35 X F52
2024-04-04 05:55:41 C 10 46 54.882 +30 16 05.60 X F52
2024-04-04 06:27:55 C 10 46 53.627 +30 16 00.12 X F52
2024-04-04 06:44:00 C 10 46 52.995 +30 15 57.30 X F52
2024-04-05 05:19:55 C 10 46 03.900 +30 11 48.66 V G96
2024-04-05 05:27:22 C 10 46 03.605 +30 11 47.04 V G96
2024-04-05 05:34:49 C 10 46 03.292 +30 11 45.82 V G96
2024-04-05 05:42:15 C 10 46 03.061 +30 11 44.56 V G96
2024-04-16 03:21:54 C 10 39 13.489 +29 05 05.82 V G96
2024-04-16 03:30:04 C 10 39 13.327 +29 05 03.23 V G96
2024-04-16 03:38:15 C 10 39 13.194 +29 05 01.14 V G96
2024-04-16 03:46:27 C 10 39 13.054 +29 04 58.12 V G96
2024-05-02 07:50:06 C 10 37 34.981 +26 39 28.45 X F52
2024-05-02 08:05:12 C 10 37 35.067 +26 39 21.91 X F52
2024-05-02 08:20:20 C 10 37 35.170 +26 39 15.36 X F52
2024-05-14 03:48:33 C 10 41 51.947 +24 30 47.59 V G96
2024-05-14 03:56:38 C 10 41 52.098 +24 30 43.85 V G96
2024-05-14 04:04:45 C 10 41 52.267 +24 30 39.56 V G96
2024-05-14 04:12:52 C 10 41 52.454 +24 30 35.28 V G96
2025-10-29 20:46:37 C 09 46 19.533 +21 50 50.25 W O18
2025-10-29 21:59:56 C 09 46 24.975 +21 50 46.26 W O18
2025-11-27 14:20:50 C 10 30 19.200 +22 01 14.16 X F52
2025-11-27 14:37:27 C 10 30 20.014 +22 01 16.26 X F52
2025-11-27 14:54:09 C 10 30 20.845 +22 01 18.07 X F52
2025-11-27 15:11:00 C 10 30 21.678 +22 01 20.10 X F52
2025-11-27 22:10:16 C 10 30 42.998 +22 02 07.29 W O18
2025-11-27 23:03:29 C 10 30 45.622 +22 02 13.59 W O18
2025-11-29 20:48:16 C 10 33 01.96 +22 08 01.8 V D29
2025-11-29 21:29:00 C 10 33 03.86 +22 08 07.4 V D29
2025-12-25 13:01:16 C 10 53 15.244 +24 51 53.31 X F52
2025-12-25 13:21:03 C 10 53 15.488 +24 52 01.44 X F52
2025-12-25 13:40:59 C 10 53 15.743 +24 52 09.63 X F52
2025-12-25 14:01:33 C 10 53 15.985 +24 52 18.15 X F52
2026-01-01 12:03:54 C 10 54 39.462 +26 06 22.69 X F52
2026-01-01 12:11:26 C 10 54 39.462 +26 06 26.15 X F52
2026-01-01 12:26:37 C 10 54 39.487 +26 06 33.90 X F52
2026-01-08 18:41:06 C 10 53 52.257 +27 36 48.65 W O18
2026-01-08 19:31:33 C 10 53 51.609 +27 37 16.24 W O18