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
2011-10-15 20:25:07 C 23 39 35.99 +02 21 31.4 u 510
2011-10-15 21:29:53 C 23 39 55.71 +02 17 13.8 t 204
2011-10-15 21:35:26 C 23 39 57.38 +02 16 51.6 t 204
2011-10-15 21:40:59 C 23 39 59.07 +02 16 29.2 t 204
2011-10-16 07:28:13 C 23 43 00.26 +01 37 53.9 r 703
2011-10-16 07:30:21 C 23 43 00.87 +01 37 45.6 r 703
2011-10-16 07:32:30 C 23 43 01.48 +01 37 37.3 r 703
2011-10-16 07:34:38 C 23 43 02.10 +01 37 28.9 r 703
2011-10-16 19:23:13 C 23 46 38.94 +00 52 13.7 c A48
2011-10-16 19:27:26 C 23 46 40.19 +00 51 58.2 c A48
2011-10-16 19:31:38 C 23 46 41.35 +00 51 42.2 c A48
2011-10-16 19:35:50 C 23 46 42.54 +00 51 26.1 c A48
2011-10-17 19:26:21 C 23 53 30.32 -00 33 58.1 u 160
2011-10-17 19:28:41 C 23 53 30.94 -00 34 06.3 u 160
2011-10-17 19:31:02 C 23 53 31.54 -00 34 14.0 u 160
2011-10-17 19:33:33 C 23 53 32.20 -00 34 22.3 u 160
2011-10-20 01:01:34 C 00 07 05.86 -03 19 48.3 u I39
2011-10-20 01:26:23 C 00 07 11.39 -03 20 58.3 u I39
2011-10-20 01:56:15 C 00 07 17.97 -03 22 22.5 u I39
2011-10-20 06:21:51 C 00 08 18.62 -03 35 43.8 17.9 c 704
2011-10-20 06:38:49 C 00 08 22.32 -03 36 30.0 18.2 c 704
2011-10-20 06:55:40 C 00 08 25.98 -03 37 16.2 18.3 c 704
2011-10-20 07:12:31 C 00 08 29.67 -03 38 02.9 18.4 c 704
2011-10-20 07:29:21 C 00 08 33.34 -03 38 49.0 18.2 c 704
2011-10-21 04:37:56 C 00 13 18.71 -04 34 41.2 18.2 c 704
2011-10-21 04:55:06 C 00 13 22.18 -04 35 25.1 18.4 c 704
2011-10-21 05:12:13 C 00 13 25.68 -04 36 08.4 18.2 c 704
2011-10-21 05:29:18 C 00 13 29.05 -04 36 52.0 19.0 c 704
2011-10-21 05:46:36 C 00 13 32.72 -04 37 35.9 18.0 c 704
2011-10-22 02:49:46 C 00 17 57.16 -05 27 44.5 u I45
2011-10-22 02:56:04 C 00 17 58.60 -05 27 59.2 u I45
2011-10-22 04:40:32 C 00 18 20.73 -05 32 59.2 17.9 c 704
2011-10-22 04:57:50 C 00 18 24.02 -05 33 38.9 18.0 c 704
2011-10-22 05:15:25 C 00 18 27.39 -05 34 19.8 18.2 c 704
2011-10-22 05:32:50 C 00 18 30.66 -05 35 00.0 18.2 c 704
2011-10-22 05:50:57 C 00 18 34.10 -05 35 41.0 18.5 c 704
2011-10-23 09:06:07 C 00 23 50.35 -06 35 14.0 r 703
2011-10-23 09:07:26 C 00 23 50.53 -06 35 16.3 r 703
2011-10-23 09:08:45 C 00 23 50.82 -06 35 19.1 r 703
2011-10-23 09:10:02 C 00 23 51.07 -06 35 21.8 r 703
2011-10-26 08:52:09 C 00 36 09.228 -08 44 37.35 L F51
2011-10-26 09:27:36 C 00 36 14.327 -08 45 32.31 L F51
2011-10-26 09:45:15 C 00 36 16.880 -08 45 59.72 L F51
2011-10-30 04:49:08 C 00 49 05.71 -10 43 58.2 18.5 c 704
2011-10-30 04:55:12 C 00 49 06.49 -10 44 05.2 r 703
2011-10-30 05:03:28 C 00 49 07.46 -10 44 14.2 r 703
2011-10-30 05:06:41 C 00 49 07.73 -10 44 17.2 18.8 c 704
2011-10-30 05:11:39 C 00 49 08.43 -10 44 22.4 r 703
2011-10-30 05:19:47 C 00 49 09.44 -10 44 30.9 r 703
2011-10-30 05:24:14 C 00 49 09.77 -10 44 36.3 19.1 c 704