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
2012-12-14 02:01:52 C 01 27 26.69 +07 30 12.8 u H21
2012-12-14 02:07:27 C 01 27 27.17 +07 30 22.0 u H21
2012-12-14 02:16:07 C 01 27 27.93 +07 30 35.7 u H21
2012-12-14 02:22:18 C 01 27 28.48 +07 30 45.9 u H21
2015-04-23 04:42:51 C 19 23 32.16 -22 36 01.7 t J04
2015-04-23 04:46:21 C 19 23 32.78 -22 36 02.7 t J04
2015-04-24 04:30:13 C 19 27 31.97 -22 45 07.4 t J04
2015-04-24 04:33:43 C 19 27 32.51 -22 45 07.6 t J04
2015-05-16 08:10:43 C 21 23 59.88 -25 32 40.3 u 807
2015-05-16 08:17:51 C 21 24 01.81 -25 32 41.5 u 807
2015-05-16 08:24:58 C 21 24 03.73 -25 32 42.2 u 807
2015-05-22 16:35:11 C 22 08 37.15 -25 31 40.8 t 474
2015-05-22 16:37:12 C 22 08 37.75 -25 31 40.2 t 474
2015-05-22 16:39:15 C 22 08 38.36 -25 31 40.1 t 474
2015-05-22 16:41:17 C 22 08 39.12 -25 31 39.5 t 474
2015-05-30 14:41:36 S 23 09 29.906 -24 20 48.48 L C51
2015-05-31 00:08:34 S 23 12 36.21 -24 14 57.4 L C51
2015-05-31 01:43:11 S 23 13 07.32 -24 13 57.4 L C51
2015-05-31 03:17:37 S 23 13 38.37 -24 12 58.1 L C51
2015-05-31 04:52:03 S 23 14 09.34 -24 11 56.3 L C51
2015-05-31 09:05:54 C 23 15 33.30 -24 09 07.2 u 807
2015-05-31 09:12:31 C 23 15 35.47 -24 09 03.6 u 807
2015-05-31 09:19:13 C 23 15 37.65 -24 08 59.5 u 807
2015-05-31 11:10:09 S 23 16 13.620 -24 07 48.79 L C51
2015-05-31 14:19:12 S 23 17 15.80 -24 05 42.4 L C51
2015-05-31 17:28:04 S 23 18 17.90 -24 03 34.4 L C51
2015-05-31 20:37:07 S 23 19 20.14 -24 01 26.5 L C51
2015-06-06 09:11:32 C 00 02 37.56 -22 09 06.7 u 807
2015-06-06 09:16:56 C 00 02 39.26 -22 09 01.0 u 807
2015-06-06 09:22:56 C 00 02 41.19 -22 08 55.8 u 807
2015-06-06 09:28:27 C 00 02 42.93 -22 08 50.4 u 807
2015-06-06 09:34:18 C 00 02 44.81 -22 08 44.0 u 807
2015-12-14 08:43:10 C 06 45 05.11 +36 46 43.8 q G96
2015-12-14 08:50:29 C 06 45 04.39 +36 46 47.4 q G96
2015-12-14 08:57:49 C 06 45 03.71 +36 46 51.3 q G96
2015-12-14 09:05:11 C 06 45 02.92 +36 46 54.7 q G96
2026-03-14 07:11:47 C 14 20 44.400 +03 56 49.40 V 807
2026-03-14 07:58:59 C 14 20 43.430 +03 57 03.30 V 807