2012 HL8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5364360024 ± 7.49e-05
Semi-major axis (a)2.4527623748 AU ± 3.32e-04
Inclination (i)3.51587271° ± 3.30e-04
Long. of Asc. Node (Ω)65.26519618° ± 2.12e-04
Arg. of Perihelion (ω)187.86565261° ± 6.35e-04
Mean Anomaly (M)186.17886594° ± 2.76e-01
Mean Motion (n)0.2565836997°/day ± 5.21e-05
Perihelion dist (q)1.13701233 AU ± 2.40e-04
Aphelion dist (Q)3.76851242 AU ± 5.42e-04
Orbital Period3.84134411 yr ± 7.80e-04
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.354″
Uncertainty3
Orbit TypeAmor
MOID0.121918 AU
Observations Used35
Oppositions1
Arc Total2012-2012
First Observation Used2012-04-21
Last Observation Used2012-06-25
Observations (36)
Date Type RA Dec Mag Band Observatory
2012-04-21 08:41:54 C 15 29 14.85 -08 57 31.7 r G96
2012-04-21 08:53:47 C 15 29 16.26 -08 57 39.8 r G96
2012-04-21 09:05:44 C 15 29 17.70 -08 57 48.1 r G96
2012-04-21 09:17:39 C 15 29 19.06 -08 57 56.0 r G96
2012-04-22 09:08:28 C 15 32 26.61 -09 14 15.6 r G96
2012-04-22 09:11:31 C 15 32 26.98 -09 14 16.9 r G96
2012-04-22 09:14:31 C 15 32 27.40 -09 14 19.6 r G96
2012-04-22 09:17:34 C 15 32 27.99 -09 14 22.4 r G96
2012-04-22 10:36:14 C 15 32 37.40 -09 15 16.8 o H01
2012-04-22 10:41:14 C 15 32 38.03 -09 15 20.3 o H01
2012-04-22 10:55:33 C 15 32 39.82 -09 15 30.2 o H01
2012-04-22 11:11:30 C 15 32 41.82 -09 15 41.2 o H01
2012-04-23 10:04:28 C 15 35 48.50 -09 32 09.3 o 291
2012-04-23 10:07:39 C 15 35 48.91 -09 32 11.6 o 291
2012-04-23 10:10:51 C 15 35 49.31 -09 32 13.5 o 291
2012-04-24 08:48:08 C 15 38 59.70 -09 49 14.0 o 291
2012-04-24 08:51:19 C 15 39 00.13 -09 49 17.0 o 291
2012-04-25 09:01:35 C 15 42 28.97 -10 08 17.1 o 291
2012-04-25 09:04:47 C 15 42 29.42 -10 08 19.5 o 291
2012-04-25 09:07:58 C 15 42 29.86 -10 08 22.4 o 291
2012-04-28 08:12:52 C 15 53 26.96 -11 09 28.8 o 291
2012-04-28 08:17:04 C 15 53 27.64 -11 09 33.1 o 291
2012-04-28 08:21:14 C 15 53 28.21 -11 09 37.4 o 291
2012-04-28 09:18:44 C 15 53 36.80 -11 10 30.5 o 691
2012-04-28 09:45:21 C 15 53 40.91 -11 10 54.8 o 691
2012-05-11 10:50:42 C 16 57 02.28 -17 14 03.6 o 291
2012-05-11 10:52:56 C 16 57 02.77 -17 14 06.5 o 291
2012-05-11 10:55:08 C 16 57 03.26 -17 14 09.8 o 291
2012-05-28 05:58:42 C 18 50 51.03 -25 53 08.6 o 807
2012-05-28 06:05:22 C 18 50 52.85 -25 53 15.3 o 807
2012-05-28 06:12:01 C 18 50 54.64 -25 53 22.4 o 807
2012-06-25 08:16:07 C 21 03 26.18 -30 04 56.6 u 807
2012-06-25 08:19:00 C 21 03 26.41 -30 04 56.6 u 807
2012-06-25 08:21:52 C 21 03 26.62 -30 04 56.7 u 807
2012-06-25 08:24:45 C 21 03 26.85 -30 04 56.9 u 807
2012-06-25 08:27:37 C 21 03 27.08 -30 04 57.0 u 807