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
2011-10-04 18:37:17 C 21 30 52.28 +26 59 04.4 u 160
2011-10-04 19:47:36 C 21 31 37.77 +26 52 03.6 c A24
2011-10-04 19:48:20 C 21 31 38.23 +26 51 58.8 c A24
2011-10-04 19:49:05 C 21 31 38.76 +26 51 54.9 c A24
2011-10-04 20:27:40 C 21 32 03.44 +26 48 04.5 c A53
2011-10-04 20:30:46 C 21 32 05.45 +26 47 45.7 c A53
2011-10-04 20:33:53 C 21 32 07.47 +26 47 26.4 c A53
2011-10-04 20:36:47 C 21 32 09.35 +26 47 09.3 c A53
2011-10-04 20:39:40 C 21 32 11.17 +26 46 52.1 c A53
2011-10-04 20:58:17 C 21 32 23.26 +26 44 59.1 c A24
2011-10-04 20:59:02 C 21 32 23.77 +26 44 55.7 c A24
2011-10-04 20:59:46 C 21 32 24.25 +26 44 51.0 c A24
2011-10-05 19:38:15 C 21 47 07.73 +24 26 53.8 u 160
2011-10-05 19:40:38 C 21 47 09.19 +24 26 39.0 u 160
2011-10-05 19:43:01 C 21 47 10.66 +24 26 24.4 u 160
2011-10-05 19:45:02 C 21 47 11.92 +24 26 11.5 u 160
2011-10-06 19:18:54 C 22 01 47.27 +21 59 11.7 u 160
2011-10-06 19:22:20 C 22 01 49.26 +21 58 50.3 u 160
2011-10-06 19:25:44 C 22 01 51.27 +21 58 28.8 u 160
2011-10-07 00:12:26 C 22 04 43.74 +21 28 31.0 u I15
2011-10-07 00:16:03 C 22 04 45.91 +21 28 07.3 u I15
2011-10-07 00:19:39 C 22 04 47.93 +21 27 45.0 u I15
2011-10-07 00:44:21 C 22 05 03.47 +21 25 11.1 o H21
2011-10-07 00:48:28 C 22 05 05.86 +21 24 45.6 o H21
2011-10-07 00:54:30 C 22 05 09.34 +21 24 07.7 o H21
2011-10-07 00:58:37 C 22 05 11.71 +21 23 42.3 o H21
2011-10-07 01:02:46 C 22 05 14.08 +21 23 16.6 o H21
2011-10-07 01:04:24 C 22 05 15.04 +21 23 06.4 o H21
2011-10-08 00:35:29 C 22 18 49.76 +18 55 35.8 o H21
2011-10-08 00:43:44 C 22 18 54.24 +18 54 45.0 o H21
2011-10-08 00:47:52 C 22 18 56.49 +18 54 19.5 o H21
2011-10-08 00:56:10 C 22 19 00.98 +18 53 28.3 o H21
2011-10-08 01:00:17 C 22 19 03.22 +18 53 02.7 o H21
2011-10-08 01:04:40 C 22 19 05.61 +18 52 35.7 o H21
2011-10-11 03:43:51 C 22 56 42.06 +11 26 34.6 o H21
2011-10-11 03:48:26 C 22 56 44.04 +11 26 09.0 o H21
2011-10-11 03:53:01 C 22 56 46.03 +11 25 43.1 o H21
2011-10-11 03:57:28 C 22 56 47.95 +11 25 18.2 o H21
2011-10-11 04:02:03 C 22 56 49.93 +11 24 52.6 o H21
2011-10-14 02:56:07 C 23 25 32.46 +05 21 33.2 o H21
2011-10-14 03:01:36 C 23 25 34.39 +05 21 07.8 o H21
2011-10-14 03:06:17 C 23 25 35.99 +05 20 46.0 o H21
2011-10-14 03:11:34 C 23 25 37.83 +05 20 21.7 o H21
2011-10-14 03:16:32 C 23 25 39.51 +05 19 58.6 o H21
2011-10-15 03:11:20 C 23 33 58.66 +03 33 37.0 u H23
2011-10-15 03:27:25 C 23 34 03.73 +03 32 29.0 u H23
2011-10-15 03:48:47 C 23 34 10.55 +03 30 57.4 u H23
2011-10-15 19:57:57 C 23 39 27.68 +02 23 21.4 u 510
2011-10-15 20:07:00 C 23 39 30.45 +02 22 44.7 u 510
2011-10-15 20:16:03 C 23 39 33.24 +02 22 08.1 u 510