IAA RAS IAA Minor Planet Database

2011 HG

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6389284057 ± 9.10e-06
Semi-major axis (a)2.6775990909 AU ± 5.36e-05
Inclination (i)14.69963628° ± 1.80e-04
Long. of Asc. Node (Ω)42.41105319° ± 2.32e-04
Arg. of Perihelion (ω)255.52020119° ± 5.25e-05
Mean Anomaly (M)96.08711213° ± 3.93e-02
Mean Motion (n)0.2249541183°/day ± 6.76e-06
Perihelion dist (q)0.96680497 AU ± 3.11e-05
Aphelion dist (Q)4.38839321 AU ± 9.12e-05
Orbital Period4.38145472 yr ± 1.32e-04
Physical Parameters
H (abs. magnitude)21.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.490″
Uncertainty2
Orbit TypeApollo
MOID0.155773 AU
Observations Used50
Oppositions1
Arc Total2011-2011
First Observation Used2011-04-21
Last Observation Used2011-10-31
Observations (50)
Date Type RA Dec Mag Band Observatory
2011-04-21 10:41:37 C 13 27 58.13 +02 56 54.8 – V F51
2011-04-21 10:57:57 C 13 27 56.71 +02 56 53.1 – V F51
2011-04-21 11:13:31 C 13 27 55.40 +02 56 51.4 – V F51
2011-04-22 05:28:44 C 13 26 25.08 +02 55 03.7 – o 291
2011-04-22 05:36:52 C 13 26 24.32 +02 55 02.9 – o 291
2011-04-22 05:44:34 C 13 26 23.68 +02 55 02.0 – o 291
2011-04-22 06:24:30 C 13 26 20.22 +02 54 58.3 – o 291
2011-04-22 06:35:21 C 13 26 19.20 +02 54 57.6 – o 291
2011-04-23 06:03:38 C 13 24 20.77 +02 52 22.1 – o 291
2011-04-23 06:08:59 C 13 24 20.30 +02 52 20.9 – o 291
2011-04-23 06:20:41 C 13 24 19.26 +02 52 20.0 – o 291
2011-04-23 06:26:11 C 13 24 18.68 +02 52 18.4 – o 291
2011-04-23 06:31:48 C 13 24 18.29 +02 52 18.2 – o 291
2011-04-24 04:21:44 C 13 22 26.67 +02 49 33.1 – o 291
2011-04-24 04:33:02 C 13 22 25.78 +02 49 32.8 – o 291
2011-04-26 05:39:22 C 13 18 08.41 +02 42 07.4 – o 291
2011-04-26 05:44:48 C 13 18 07.93 +02 42 06.2 – o 291
2011-04-26 05:50:06 C 13 18 07.34 +02 42 05.4 – o 291
2011-04-30 05:32:46 C 13 09 30.05 +02 22 23.4 – o H21
2011-04-30 05:47:14 C 13 09 28.61 +02 22 19.3 – o H21
2011-04-30 06:02:12 C 13 09 27.21 +02 22 16.0 – o H21
2011-05-01 06:18:18 C 13 07 13.95 +02 16 07.0 – o 291
2011-05-01 06:23:56 C 13 07 13.41 +02 16 05.3 – o 291
2011-05-01 06:30:07 C 13 07 12.83 +02 16 03.9 – o 291
2011-05-05 04:22:09 C 12 58 33.20 +01 47 22.8 – r G96
2011-05-05 04:23:00 C 12 58 33.06 +01 47 22.9 – r G96
2011-05-05 04:23:51 C 12 58 32.98 +01 47 22.4 – r G96
2011-05-05 04:24:38 C 12 58 32.91 +01 47 22.0 – r G96
2011-05-05 04:36:22 C 12 58 31.80 +01 47 18.8 – o 291
2011-05-05 04:42:21 C 12 58 31.23 +01 47 16.0 – o 291
2011-05-05 04:47:40 C 12 58 30.71 +01 47 15.2 – o 291
2011-05-06 06:43:43 C 12 56 06.59 +01 37 56.6 – o 291
2011-05-06 06:55:41 C 12 56 05.43 +01 37 52.1 – o 291
2011-05-07 05:48:20 C 12 53 59.28 +01 29 08.2 – o 291
2011-05-07 05:53:35 C 12 53 58.81 +01 29 06.6 – o 291
2011-05-07 05:58:56 C 12 53 58.21 +01 29 04.1 – o 291
2011-05-08 05:07:33 C 12 51 50.97 +01 19 44.7 – o 291
2011-05-08 05:14:03 C 12 51 50.37 +01 19 42.8 – o 291
2011-05-08 05:22:56 C 12 51 49.50 +01 19 38.9 – o 291
2011-05-23 04:54:02 C 12 21 40.58 -02 08 16.3 – o 291
2011-05-23 05:04:54 C 12 21 39.78 -02 08 25.8 – o 291
2011-09-14 02:52:28 C 00 11 12.48 -74 25 15.3 – o 807
2011-09-14 03:04:28 C 00 11 10.79 -74 24 22.4 – o 807
2011-09-14 03:16:24 C 00 11 09.45 -74 23 29.3 – o 807
2011-09-30 05:35:48 C 23 56 21.15 -46 57 54.4 – o 807
2011-09-30 05:44:09 C 23 56 20.98 -46 57 22.5 – o 807
2011-09-30 05:52:24 C 23 56 20.79 -46 56 51.2 – o 807
2011-09-30 06:00:46 C 23 56 20.67 -46 56 19.2 – o 807
2011-10-31 03:01:28 C 00 02 14.11 -15 01 33.0 – o 291
2011-10-31 03:06:39 C 00 02 14.23 -15 01 27.0 – o 291