2012 HH8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7459466421 ± 5.73e-07
Semi-major axis (a)1.4972147376 AU ± 3.22e-09
Inclination (i)33.81664791° ± 4.72e-05
Long. of Asc. Node (Ω)195.39144498° ± 1.65e-05
Arg. of Perihelion (ω)249.39446326° ± 7.84e-05
Mean Anomaly (M)182.16040543° ± 1.42e-05
Mean Motion (n)0.5380047823°/day ± 1.73e-09
Perihelion dist (q)0.38037243 AU ± 8.58e-07
Aphelion dist (Q)2.61405704 AU ± 8.58e-07
Orbital Period1.83200283 yr ± 5.91e-09
Physical Parameters
H (abs. magnitude)21.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.372″
Uncertainty0
Orbit TypeApollo
MOID0.052451 AU
Observations Used100
Oppositions5
Arc Total2012-2023
First Observation Used2012-04-11
Last Observation Used2023-04-25
Observations (101)
Date Type RA Dec Mag Band Observatory
2012-05-01 04:45:34 C 13 34 08.54 +32 27 18.1 o H21
2012-05-01 07:31:20 C 13 33 56.378 +32 25 28.93 V F51
2012-05-11 05:14:22 C 13 22 22.11 +29 50 40.8 t H21
2012-05-11 05:40:36 C 13 22 21.28 +29 50 23.4 t H21
2012-05-11 06:06:51 C 13 22 20.47 +29 50 07.5 t H21
2012-05-13 06:37:03 C 13 21 10.97 +29 20 19.6 o 291
2012-05-13 06:41:47 C 13 21 10.73 +29 20 16.3 o 291
2012-05-13 06:46:29 C 13 21 10.66 +29 20 14.2 o 291
2012-05-15 02:24:17 C 13 20 23.21 +28 53 39.8 o H21
2012-05-15 02:42:23 C 13 20 22.81 +28 53 30.1 o H21
2012-05-15 03:02:14 C 13 20 22.34 +28 53 17.2 o H21
2012-05-18 03:15:44 C 13 19 29.13 +28 09 55.0 o H21
2012-05-18 03:39:38 C 13 19 28.85 +28 09 41.1 o H21
2012-05-18 04:03:49 C 13 19 28.57 +28 09 26.2 o H21
2023-04-07 00:58:25 C 18 17 25.061 +15 50 58.42 V J95
2023-04-07 01:03:35 C 18 17 19.428 +15 51 46.22 V J95
2023-04-09 10:34:42 C 17 17 46.579 +23 16 27.44 V I52
2023-04-09 10:37:41 C 17 17 43.624 +23 16 46.02 V I52
2023-04-11 00:00:05 C 16 43 58.702 +26 33 21.24 V J95
2023-04-11 00:05:10 C 16 43 54.382 +26 33 43.99 V J95
2023-04-11 00:10:58 C 16 43 49.450 +26 34 10.27 V J95
2023-04-11 00:15:57 C 16 43 45.199 +26 34 32.12 V J95
2023-04-12 10:39:35 C 16 16 44.656 +28 42 16.70 V 703
2023-04-12 10:43:18 C 16 16 41.876 +28 42 27.40 V G96
2023-04-12 10:47:11 C 16 16 38.946 +28 42 38.95 V 703
2023-04-12 10:51:34 C 16 16 35.717 +28 42 52.81 V G96
2023-04-12 10:54:46 C 16 16 33.337 +28 43 02.06 V 703
2023-04-12 10:59:50 C 16 16 29.572 +28 43 18.05 V G96
2023-04-12 11:02:20 C 16 16 27.732 +28 43 25.72 V 703
2023-04-12 11:08:08 C 16 16 23.437 +28 43 43.32 V G96
2023-04-14 00:54:27 C 15 51 12.75 +30 18 04.6 X C95
2023-04-14 01:20:41 C 15 50 56.34 +30 18 58.2 X C95
2023-04-14 01:29:26 B 15 50 50.72 +30 19 08.8 V L65
2023-04-14 01:44:18 B 15 50 41.56 +30 19 38.1 V L65
2023-04-14 01:46:59 C 15 50 40.04 +30 19 50.4 X C95
2023-04-14 01:59:11 B 15 50 32.32 +30 20 07.8 V L65
2023-04-16 09:37:14 C 15 20 45.499 +31 40 39.61 V 703
2023-04-16 09:44:59 C 15 20 41.795 +31 40 48.11 V 703
2023-04-16 09:52:42 C 15 20 38.058 +31 40 54.66 V 703
2023-04-16 10:00:20 C 15 20 34.343 +31 41 02.00 V 703
2023-04-16 14:06:23 C 15 18 39.495 +31 45 05.18 U F52
2023-04-16 14:23:53 C 15 18 31.279 +31 45 20.59 U F52
2023-04-16 14:41:14 C 15 18 23.123 +31 45 35.92 U F52
2023-04-19 08:30:43 C 14 52 23.725 +32 24 02.16 V 703
2023-04-19 08:38:30 C 14 52 21.090 +32 24 05.65 V 703
2023-04-19 08:46:12 C 14 52 18.527 +32 24 09.50 V 703
2023-04-19 08:53:53 C 14 52 15.834 +32 24 10.80 V 703
2023-04-25 07:46:17 C 14 15 50.936 +32 20 55.25 V G96
2023-04-25 07:53:45 C 14 15 49.489 +32 20 53.77 V G96
2023-04-25 08:01:14 C 14 15 48.010 +32 20 52.04 V G96