2011 HC36

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4077883710 ± 1.66e-08
Semi-major axis (a)1.6403799891 AU ± 4.40e-09
Inclination (i)15.48079030° ± 5.67e-06
Long. of Asc. Node (Ω)200.70519229° ± 4.24e-06
Arg. of Perihelion (ω)121.70882934° ± 7.66e-06
Mean Anomaly (M)279.74866223° ± 1.02e-05
Mean Motion (n)0.4691325665°/day ± 1.89e-09
Perihelion dist (q)0.97145211 AU ± 2.74e-08
Aphelion dist (Q)2.30930787 AU ± 2.80e-08
Orbital Period2.10095473 yr ± 8.45e-09
Physical Parameters
H (abs. magnitude)20.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.317″
Uncertainty0
Orbit TypeApollo
MOID0.086172 AU
Observations Used205
Oppositions11
Arc Total1990-2011
First Observation Used1990-10-15
Last Observation Used2011-11-12
Observations (212)
Date Type RA Dec Mag Band Observatory
2011-09-22 19:18:16 C 18 17 57.51 +42 13 12.8 c A53
2011-09-24 19:55:31 C 18 45 44.84 +41 29 59.1 c A48
2011-09-24 20:00:57 C 18 45 48.05 +41 29 52.7 c A48
2011-09-24 20:06:46 C 18 45 51.49 +41 29 45.6 c A48
2011-09-24 20:11:49 C 18 45 54.44 +41 29 38.7 c A48
2011-09-27 19:15:31 C 19 32 13.76 +39 17 26.2 u 160
2011-09-27 19:19:03 C 19 32 16.12 +39 17 17.1 u 160
2011-09-27 19:22:46 C 19 32 18.62 +39 17 07.7 u 160
2011-09-28 19:06:18 C 19 48 57.01 +38 10 01.0 u 160
2011-09-28 19:09:42 C 19 48 59.34 +38 09 50.1 u 160
2011-09-28 19:13:55 C 19 49 02.23 +38 09 36.8 u 160
2011-09-28 19:17:55 C 19 49 04.99 +38 09 24.5 u 160
2011-09-28 19:19:12 C 19 49 06.08 +38 09 17.9 t 204
2011-09-28 19:25:28 C 19 49 10.40 +38 08 58.1 t 204
2011-09-28 19:31:33 C 19 49 14.58 +38 08 39.5 t 204
2011-09-30 19:06:58 C 20 23 31.99 +35 14 30.3 u 160
2011-09-30 19:10:15 C 20 23 34.29 +35 14 16.1 u 160
2011-09-30 19:13:40 C 20 23 36.69 +35 14 02.1 u 160
2011-10-01 19:36:54 C 20 41 15.83 +33 24 26.1 u 160
2011-10-01 19:38:21 C 20 41 16.79 +33 24 18.6 u 160
2011-10-01 19:39:41 C 20 41 17.73 +33 24 12.4 u 160
2011-10-02 18:48:23 C 20 57 53.27 +31 28 21.7 u 160
2011-10-02 18:50:46 C 20 57 54.92 +31 28 09.4 u 160
2011-10-02 18:53:08 C 20 57 56.54 +31 27 57.2 u 160
2011-10-02 19:40:24 C 20 58 29.08 +31 23 46.8 t 130
2011-10-02 19:42:05 C 20 58 30.25 +31 23 37.9 t 130
2011-10-02 19:43:46 C 20 58 31.44 +31 23 29.8 t 130
2011-10-02 19:45:27 C 20 58 32.56 +31 23 20.4 t 130
2011-10-02 20:29:17 C 20 59 02.60 +31 19 20.7 o 639
2011-10-02 20:38:15 C 20 59 08.82 +31 18 32.4 o 639
2011-10-02 20:46:05 C 20 59 14.41 +31 18 00.1 c A24
2011-10-02 20:46:50 C 20 59 14.89 +31 17 56.0 c A24
2011-10-02 20:47:35 C 20 59 15.35 +31 17 51.7 c A24
2011-10-02 20:49:35 C 20 59 16.64 +31 17 32.9 o 639
2011-10-02 21:55:54 C 21 00 02.53 +31 11 47.3 c A24
2011-10-02 21:56:39 C 21 00 02.98 +31 11 43.4 c A24
2011-10-02 21:57:23 C 21 00 03.51 +31 11 39.0 c A24
2011-10-03 18:23:28 C 21 14 25.61 +29 19 54.6 u 160
2011-10-03 18:26:21 C 21 14 27.54 +29 19 38.4 u 160
2011-10-03 18:28:15 C 21 14 28.81 +29 19 27.7 u 160
2011-10-03 19:18:02 C 21 15 02.14 +29 14 47.6 u 160
2011-10-03 19:19:56 C 21 15 03.43 +29 14 37.2 u 160
2011-10-03 19:37:39 C 21 15 15.45 +29 12 54.0 c A24
2011-10-03 19:38:24 C 21 15 15.93 +29 12 50.3 c A24
2011-10-03 19:39:09 C 21 15 16.45 +29 12 46.2 c A24
2011-10-03 20:48:01 C 21 16 02.50 +29 06 14.6 c A24
2011-10-03 20:48:46 C 21 16 02.98 +29 06 10.5 c A24
2011-10-03 20:49:30 C 21 16 03.46 +29 06 06.4 c A24
2011-10-04 18:32:21 C 21 30 49.09 +26 59 33.6 u 160
2011-10-04 18:34:50 C 21 30 50.71 +26 59 19.2 u 160