442605 (2012 HY33)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5437093433 ± 3.51e-08
Semi-major axis (a)1.9972524233 AU ± 1.69e-08
Inclination (i)14.69735405° ± 8.74e-06
Long. of Asc. Node (Ω)63.57130301° ± 1.66e-05
Arg. of Perihelion (ω)270.79866939° ± 1.85e-05
Mean Anomaly (M)238.55796674° ± 1.96e-05
Mean Motion (n)0.3491908386°/day ± 4.42e-09
Perihelion dist (q)0.91132762 AU ± 7.05e-08
Aphelion dist (Q)3.08317723 AU ± 7.47e-08
Orbital Period2.82260064 yr ± 3.57e-08
Physical Parameters
H (abs. magnitude)19.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeApollo
MOID0.163154 AU
Observations Used124
Oppositions16
Arc Total2001-2026
First Observation Used2001-12-15
Last Observation Used2026-03-14
Observations (138)
Date Type RA Dec Mag Band Observatory
2012-05-27 04:14:29 C 13 52 33.20 -02 59 57.6 r G96
2012-05-27 04:25:12 C 13 52 32.30 -03 00 00.1 r G96
2012-05-27 04:35:57 C 13 52 31.44 -03 00 03.4 r G96
2012-05-27 04:46:43 C 13 52 30.54 -03 00 06.1 r G96
2012-06-15 05:46:48 C 13 23 53.37 -06 05 51.1 o 291
2012-06-15 05:53:35 C 13 23 53.04 -06 05 54.7 o 291
2012-06-15 06:00:23 C 13 23 52.74 -06 05 58.1 o 291
2012-07-07 01:18:39 C 13 13 23.53 -11 51 12.9 u 807
2012-07-07 01:25:40 C 13 13 23.53 -11 51 18.8 u 807
2012-07-07 01:33:14 C 13 13 23.51 -11 51 24.4 u 807
2012-07-24 00:26:36 C 13 20 25.38 -17 42 56.4 u 807
2012-07-24 00:32:27 C 13 20 25.56 -17 43 01.9 u 807
2012-07-24 00:38:18 C 13 20 25.72 -17 43 07.6 u 807
2012-07-24 00:44:08 C 13 20 25.88 -17 43 13.0 u 807
2012-07-24 00:49:57 C 13 20 26.05 -17 43 18.4 u 807
2012-09-13 00:03:55 C 14 46 58.66 -42 49 31.3 u 807
2012-09-13 00:20:19 C 14 47 00.62 -42 49 55.6 u 807
2012-09-13 00:25:29 C 14 47 01.24 -42 50 02.7 u 807
2012-10-11 23:52:54 C 17 34 33.84 -60 55 53.1 u 807
2012-10-11 23:57:00 C 17 34 35.75 -60 55 57.3 u 807
2012-10-12 23:45:10 C 17 46 11.86 -61 20 20.9 u 807
2012-10-12 23:49:25 C 17 46 13.94 -61 20 24.3 u 807
2012-10-12 23:53:01 C 17 46 15.71 -61 20 27.5 u 807
2012-10-12 23:57:46 C 17 46 18.05 -61 20 32.0 u 807
2012-10-13 00:00:42 C 17 46 19.50 -61 20 34.6 u 807
2012-10-23 23:53:32 C 20 26 37.35 -60 20 30.9 u 807
2012-10-24 00:00:11 C 20 26 41.49 -60 20 19.2 u 807
2012-10-24 00:06:51 C 20 26 45.64 -60 20 07.1 u 807
2012-10-24 00:13:20 C 20 26 49.72 -60 19 55.2 u 807
2012-11-14 03:10:35 C 23 53 20.32 -27 15 13.5 r 703
2012-11-14 03:19:29 C 23 53 22.20 -27 14 36.0 r 703
2012-11-14 03:28:29 C 23 53 24.18 -27 13 55.2 r 703
2012-11-14 03:37:28 C 23 53 25.94 -27 13 14.3 r 703
2012-11-20 19:15:51 C 00 22 51.48 -16 15 15.4 t 204
2012-11-20 19:29:55 C 00 22 53.63 -16 14 22.7 t 204
2012-11-20 19:43:59 C 00 22 55.81 -16 13 29.8 t 204
2012-11-22 03:30:55 C 00 27 51.14 -14 16 49.3 u H21
2012-11-22 03:37:57 C 00 27 52.17 -14 16 24.4 u H21
2012-11-22 03:45:19 C 00 27 53.21 -14 15 57.7 u H21
2012-11-29 00:39:55 C 00 50 08.13 -05 29 33.5 u H21
2012-11-29 00:45:59 C 00 50 08.82 -05 29 16.6 u H21
2012-11-29 00:55:58 C 00 50 09.99 -05 28 48.8 u H21
2012-11-29 00:56:31 C 00 50 10.06 -05 28 47.3 u H21
2012-12-05 01:42:22 C 01 06 25.92 +00 35 41.8 r 703
2012-12-05 01:49:12 C 01 06 26.60 +00 35 56.6 r 703
2012-12-05 02:05:28 C 01 06 28.26 +00 36 33.0 r 703
2012-12-12 02:14:36 C 01 23 02.50 +06 09 42.7 r 703
2012-12-12 02:22:24 C 01 23 03.26 +06 09 55.0 r 703
2012-12-12 02:30:08 C 01 23 03.84 +06 10 09.2 r 703
2012-12-12 02:37:56 C 01 23 04.63 +06 10 23.5 r 703