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
2012-09-28 23:47:25 C 18 09 21.71 -13 06 57.4 u 807
2012-09-28 23:52:01 C 18 09 23.17 -13 06 58.2 u 807
2012-09-28 23:56:16 C 18 09 24.49 -13 06 58.7 u 807
2012-10-20 20:09:53 C 20 54 55.92 -11 13 52.9 t 204
2012-10-20 20:39:34 C 20 55 04.14 -11 13 36.0 t 204
2012-10-30 00:36:25 C 21 50 41.74 -08 59 43.7 u 807
2012-10-30 00:41:20 C 21 50 42.85 -08 59 40.5 u 807
2012-10-30 00:46:14 C 21 50 43.94 -08 59 37.4 u 807
2012-10-30 00:51:20 C 21 50 45.04 -08 59 33.9 u 807
2012-10-30 00:56:00 C 21 50 46.07 -08 59 31.0 u 807
2012-11-07 03:22:14 C 22 30 46.90 -06 54 30.8 r G96
2012-11-07 03:29:59 C 22 30 48.31 -06 54 25.9 r G96
2012-11-07 03:37:48 C 22 30 49.75 -06 54 20.5 r G96
2012-11-07 03:45:39 C 22 30 51.19 -06 54 15.5 r G96
2015-02-17 13:31:39 C 11 28 56.947 -02 24 25.04 t 568
2015-02-17 13:47:12 C 11 28 56.370 -02 24 21.87 t 568
2015-02-17 14:02:25 C 11 28 55.811 -02 24 18.75 t 568
2015-02-19 14:11:08 C 11 27 09.715 -02 14 04.11 t 568
2022-04-26 07:14:07 C 19 02 48.04 -17 37 38.2 u 807
2022-04-26 07:18:02 C 19 02 48.88 -17 37 35.4 u 807
2022-04-26 07:21:57 C 19 02 49.68 -17 37 31.3 u 807
2022-05-27 10:19:35 C 22 17 14.806 +01 21 34.60 V G96
2022-05-27 10:27:02 C 22 17 16.922 +01 21 49.61 V G96
2022-05-27 10:34:27 C 22 17 19.021 +01 22 03.79 V G96
2022-05-27 10:41:53 C 22 17 21.142 +01 22 18.48 V G96
2022-07-27 14:03:14 C 03 16 31.482 +24 16 30.59 U F52
2022-07-27 14:10:33 C 03 16 32.407 +24 16 31.90 U F52
2022-07-27 14:17:53 C 03 16 33.340 +24 16 33.54 U F52
2022-10-23 10:47:39 C 04 45 44.310 +19 37 47.42 U F51
2022-10-23 11:04:22 C 04 45 43.326 +19 37 42.07 U F51
2022-10-23 11:21:11 C 04 45 42.327 +19 37 36.72 U F51
2022-10-23 11:38:09 C 04 45 41.305 +19 37 31.41 U F51
2022-10-28 10:25:27 C 04 38 27.170 +18 58 02.79 U F52
2022-10-28 10:56:56 C 04 38 25.036 +18 57 52.33 U F52
2022-10-28 11:14:18 C 04 38 23.866 +18 57 46.44 U F52
2022-10-28 11:31:49 C 04 38 22.683 +18 57 40.96 U F52
2022-11-26 07:26:46 C 03 49 33.522 +15 12 57.39 U F51
2022-11-26 07:42:38 C 03 49 32.499 +15 12 53.48 U F51
2022-11-26 07:45:42 C 03 49 31.861 +15 12 50.98 V V00
2022-11-26 07:52:52 C 03 49 31.386 +15 12 49.25 V V00
2022-11-26 07:58:30 C 03 49 31.489 +15 12 49.33 U F51
2022-11-26 08:00:01 C 03 49 30.932 +15 12 47.30 V V00
2022-11-26 08:07:10 C 03 49 30.468 +15 12 45.36 V V00
2022-11-26 08:14:23 C 03 49 30.460 +15 12 45.24 U F51
2025-03-21 04:25:31 C 12 09 54.590 -05 42 29.40 V 807
2025-03-21 04:37:18 C 12 09 53.960 -05 42 24.70 V 807
2025-03-21 04:49:07 C 12 09 53.310 -05 42 20.20 V 807
2025-03-21 08:25:18 C 12 09 41.965 -05 41 04.20 V V00
2025-03-21 08:33:24 C 12 09 41.504 -05 41 01.03 V V00
2025-03-21 08:41:29 C 12 09 41.101 -05 40 57.76 V V00