2012 HY1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5645324952 ± 2.43e-08
Semi-major axis (a)2.2059373488 AU ± 4.35e-09
Inclination (i)4.77363512° ± 5.47e-06
Long. of Asc. Node (Ω)212.92476273° ± 3.32e-05
Arg. of Perihelion (ω)97.07485586° ± 3.34e-05
Mean Anomaly (M)12.28280335° ± 4.76e-06
Mean Motion (n)0.3008309502°/day ± 8.91e-10
Perihelion dist (q)0.96061403 AU ± 5.37e-08
Aphelion dist (Q)3.45126066 AU ± 5.41e-08
Orbital Period3.27634601 yr ± 9.70e-09
Physical Parameters
H (abs. magnitude)19.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.191″
Uncertainty0
Orbit TypeApollo
MOID0.065335 AU
Observations Used96
Oppositions9
Arc Total2012-2025
First Observation Used2012-04-16
Last Observation Used2025-03-21
Observations (101)
Date Type RA Dec Mag Band Observatory
2012-04-16 09:25:52 C 13 03 19.286 -08 54 57.14 L F51
2012-04-16 09:44:53 C 13 03 18.048 -08 54 47.03 L F51
2012-04-16 10:03:55 C 13 03 16.802 -08 54 36.53 L F51
2012-04-16 10:22:59 C 13 03 15.570 -08 54 26.07 L F51
2012-04-17 03:31:05 C 13 02 11.65 -08 44 53.7 o 807
2012-04-17 03:43:05 C 13 02 10.87 -08 44 46.8 o 807
2012-04-17 03:57:39 C 13 02 09.92 -08 44 38.8 o 807
2012-04-17 09:25:32 C 13 01 49.45 -08 41 46.8 t F65
2012-04-17 09:28:53 C 13 01 49.23 -08 41 45.2 t F65
2012-04-17 09:32:12 C 13 01 49.00 -08 41 43.2 t F65
2012-04-18 04:17:04 C 13 00 38.78 -08 31 20.0 o H01
2012-04-18 04:25:22 C 13 00 38.24 -08 31 15.4 o H01
2012-04-18 04:46:24 C 13 00 36.87 -08 31 03.7 o H01
2012-04-18 05:05:55 C 13 00 35.59 -08 30 52.8 o H01
2012-04-20 01:28:48 C 12 57 47.88 -08 05 36.4 o 807
2012-04-20 01:40:47 C 12 57 47.11 -08 05 29.8 o 807
2012-04-20 01:52:47 C 12 57 46.34 -08 05 22.9 o 807
2012-04-20 10:26:31 C 12 57 13.75 -08 00 27.1 o 474
2012-04-20 10:31:35 C 12 57 13.37 -08 00 24.2 o 474
2012-04-20 10:36:40 C 12 57 13.08 -08 00 21.0 o 474
2012-04-20 10:41:45 C 12 57 12.71 -08 00 18.3 o 474
2012-04-21 07:59:22 C 12 55 51.67 -07 48 17.4 o 291
2012-04-21 08:05:09 C 12 55 51.22 -07 48 13.7 o 291
2012-04-25 04:18:33 C 12 50 03.41 -06 54 20.4 o H21
2012-04-25 04:31:13 C 12 50 02.60 -06 54 13.1 o H21
2012-04-25 04:45:15 C 12 50 01.67 -06 54 04.5 o H21
2012-04-26 09:35:15 C 12 48 14.222 -06 36 59.86 L F51
2012-04-26 09:50:29 C 12 48 13.234 -06 36 50.70 L F51
2012-04-30 08:03:55 C 12 42 31.17 -05 41 12.5 o 291
2012-04-30 08:07:17 C 12 42 30.96 -05 41 10.2 o 291
2012-04-30 08:10:39 C 12 42 30.75 -05 41 08.7 o 291
2012-05-12 03:23:45 C 12 27 50.51 -03 03 11.8 o 291
2012-05-12 03:27:59 C 12 27 50.32 -03 03 08.8 o 291
2012-05-12 03:32:11 C 12 27 50.16 -03 03 07.4 o 291
2012-05-15 06:05:44 C 12 24 48.88 -02 26 10.8 r G96
2012-05-15 06:14:43 C 12 24 48.52 -02 26 06.2 r G96
2012-05-15 06:23:36 C 12 24 48.16 -02 26 02.5 r G96
2012-05-15 06:32:24 C 12 24 47.80 -02 25 58.7 r G96
2012-05-28 04:16:45 C 12 17 11.60 -00 23 56.2 o 291
2012-05-28 04:26:23 C 12 17 11.42 -00 23 53.8 o 291
2012-05-28 04:36:02 C 12 17 11.25 -00 23 50.1 o 291
2012-06-12 03:59:21 C 12 18 52.95 +00 47 06.9 r G96
2012-06-12 04:09:18 C 12 18 53.17 +00 47 07.2 r G96
2012-06-12 04:19:24 C 12 18 53.31 +00 47 08.8 r G96
2012-06-12 04:29:17 C 12 18 53.49 +00 47 09.4 r G96
2012-09-15 00:15:51 C 16 33 18.61 -11 05 06.7 u 807
2012-09-15 00:17:36 C 16 33 19.03 -11 05 07.5 u 807
2012-09-15 00:20:13 C 16 33 19.68 -11 05 08.6 u 807
2012-09-15 00:22:52 C 16 33 20.34 -11 05 09.9 u 807
2012-09-28 23:42:00 C 18 09 20.01 -13 06 56.5 u 807