2011 HL7

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2888357125 ± 1.14e-07
Semi-major axis (a)1.6408611649 AU ± 7.66e-08
Inclination (i)10.43810852° ± 6.96e-06
Long. of Asc. Node (Ω)208.60200449° ± 1.95e-05
Arg. of Perihelion (ω)359.23270859° ± 4.46e-05
Mean Anomaly (M)343.34024937° ± 1.84e-04
Mean Motion (n)0.4689262248°/day ± 3.28e-08
Perihelion dist (q)1.16692186 AU ± 1.95e-07
Aphelion dist (Q)2.11480047 AU ± 2.12e-07
Orbital Period2.10187921 yr ± 1.47e-07
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.162176 AU
Observations Used167
Oppositions2
Arc Total2011-2014
First Observation Used2011-04-28
Last Observation Used2014-12-26
Observations (171)
Date Type RA Dec Mag Band Observatory
2011-06-21 06:55:19 C 17 13 28.57 +12 32 00.8 o H21
2011-06-24 06:08:10 C 17 13 11.24 +12 09 41.5 o 691
2011-06-24 06:33:45 C 17 13 10.97 +12 09 32.3 o 691
2011-06-24 06:59:22 C 17 13 10.79 +12 09 23.2 o 691
2011-07-01 05:58:49 C 17 13 20.23 +10 56 11.1 o 691
2011-07-01 06:24:27 C 17 13 20.20 +10 55 58.1 o 691
2011-07-01 06:50:04 C 17 13 20.17 +10 55 44.8 o 691
2011-08-01 02:16:48 C 17 31 00.48 +02 47 24.6 o H21
2011-08-01 02:38:12 C 17 31 01.26 +02 47 09.9 o H21
2013-01-05 10:00:52 C 08 11 04.24 -07 06 38.7 o 291
2013-01-05 10:09:45 C 08 11 03.87 -07 06 43.2 o 291
2013-01-05 10:18:38 C 08 11 03.48 -07 06 47.7 o 291
2013-01-06 04:39:12 C 08 10 19.44 -07 15 37.5 u 807
2013-01-06 04:51:57 C 08 10 18.87 -07 15 44.0 u 807
2013-01-06 05:05:18 C 08 10 18.29 -07 15 50.3 u 807
2013-06-14 04:17:04 C 11 48 50.95 +10 03 37.3 o 291
2013-06-14 04:27:55 C 11 48 52.72 +10 03 32.7 o 291
2013-06-14 04:38:15 C 11 48 54.36 +10 03 28.9 o 291
2014-12-26 04:50:40 C 05 46 50.23 +02 25 21.8 u H21
2014-12-26 05:16:51 C 05 46 48.44 +02 25 15.0 u H21
2014-12-26 05:26:36 C 05 46 47.75 +02 25 12.5 u H21