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
2001-12-15 08:11:54 C 08 14 41.657 +35 58 46.50 t 645
2001-12-15 08:14:53 C 08 14 41.494 +35 58 48.07 t 645
2001-12-18 10:45:20 C 08 10 18.160 +36 37 56.97 t 645
2001-12-18 10:46:31 C 08 10 18.090 +36 37 57.58 t 645
2001-12-18 10:50:06 C 08 10 17.866 +36 37 59.40 t 645
2009-05-20 08:05:04 C 12 33 39.785 +11 17 31.53 t 568
2009-05-20 09:46:38 C 12 33 36.378 +11 17 07.34 t 568
2009-05-25 07:59:20 C 12 30 13.451 +10 46 29.24 t 568
2009-05-25 09:08:16 C 12 30 11.683 +10 46 09.74 t 568
2012-04-27 11:54:16 C 14 50 47.053 -02 08 34.52 L F51
2012-04-27 12:09:12 C 14 50 45.972 -02 08 33.42 L F51
2012-04-27 12:28:01 C 14 50 44.612 -02 08 31.50 L F51
2012-04-27 12:44:20 C 14 50 43.445 -02 08 30.32 L F51
2012-04-28 07:05:11 C 14 49 26.74 -02 07 03.9 o 291
2012-04-28 07:11:25 C 14 49 26.30 -02 07 03.0 o 291
2012-04-28 07:17:36 C 14 49 25.81 -02 07 02.5 o 291
2012-04-29 10:39:15 C 14 47 27.75 -02 05 01.6 o 291
2012-04-29 10:42:40 C 14 47 27.50 -02 05 01.4 o 291
2012-04-29 10:45:43 C 14 47 27.27 -02 05 01.4 o 291
2012-04-30 06:51:20 C 14 45 59.60 -02 03 41.3 o 291
2012-04-30 06:53:45 C 14 45 59.43 -02 03 41.2 o 291
2012-04-30 06:56:10 C 14 45 59.23 -02 03 41.1 o 291
2012-04-30 16:30:17 C 14 45 16.24 -02 02 54.9 t E10
2012-04-30 16:33:07 C 14 45 16.03 -02 02 54.5 t E10
2012-04-30 16:36:01 C 14 45 15.81 -02 02 54.6 t E10
2012-04-30 16:38:52 C 14 45 15.58 -02 02 54.3 t E10
2012-04-30 16:41:43 C 14 45 15.36 -02 02 54.1 t E10
2012-05-01 07:56:49 C 14 44 07.20 -02 02 13.5 o 291
2012-05-01 08:03:16 C 14 44 06.60 -02 02 12.8 o 291
2012-05-02 09:12:42 C 14 42 11.65 -02 00 57.0 o 291
2012-05-02 09:15:38 C 14 42 11.46 -02 00 56.5 o 291
2012-05-02 09:18:33 C 14 42 11.22 -02 00 56.1 o 291
2012-05-09 04:15:59 C 14 29 02.68 -01 58 38.8 o 807
2012-05-09 04:27:55 C 14 29 01.62 -01 58 38.6 o 807
2012-05-09 04:38:38 C 14 29 00.69 -01 58 39.1 o 807
2012-05-11 09:52:03 C 14 24 29.96 -02 00 44.8 o 291
2012-05-11 09:54:46 C 14 24 29.70 -02 00 45.6 o 291
2012-05-11 09:57:29 C 14 24 29.50 -02 00 45.6 o 291
2012-05-14 08:52:59 C 14 18 23.97 -02 05 33.3 o 291
2012-05-14 08:56:03 C 14 18 23.76 -02 05 34.0 o 291
2012-05-14 08:59:07 C 14 18 23.47 -02 05 34.4 o 291
2012-05-15 03:43:17 C 14 16 47.18 -02 07 17.3 o 691
2012-05-15 04:06:15 C 14 16 45.15 -02 07 20.0 o 691
2012-05-15 04:29:13 C 14 16 43.06 -02 07 22.7 o 691
2012-05-17 04:01:58 C 14 12 36.70 -02 12 38.7 o 691
2012-05-17 04:24:59 C 14 12 34.69 -02 12 41.5 o 691
2012-05-17 04:47:58 C 14 12 32.55 -02 12 44.5 o 691
2012-05-20 03:45:11 C 14 06 27.16 -02 23 06.4 o 691
2012-05-20 04:04:33 C 14 06 25.49 -02 23 08.8 o 691
2012-05-20 04:23:54 C 14 06 23.77 -02 23 12.5 o 691