2012 HN13

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3082146631 ± 1.28e-08
Semi-major axis (a)1.4085435708 AU ± 5.19e-09
Inclination (i)4.07425128° ± 2.15e-06
Long. of Asc. Node (Ω)183.46348132° ± 2.19e-05
Arg. of Perihelion (ω)97.27928467° ± 2.42e-05
Mean Anomaly (M)7.88375139° ± 7.29e-06
Mean Motion (n)0.5895991485°/day ± 3.26e-09
Perihelion dist (q)0.97440979 AU ± 1.84e-08
Aphelion dist (Q)1.84267735 AU ± 1.93e-08
Orbital Period1.67168878 yr ± 9.24e-09
NGA Modelr2
A2-9.05469301e-14 ± 1.40e-14 AU/d²
Physical Parameters
H (abs. magnitude)22.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.304″
Uncertainty0
Orbit TypeApollo
MOID0.051906 AU
Observations Used176
Oppositions4
Arc Total2012-2022
First Observation Used2012-04-21
Last Observation Used2022-09-26
Observations (181)
Date Type RA Dec Mag Band Observatory
2012-04-21 12:47:36 C 16 01 32.692 -03 58 12.75 L F51
2012-04-21 13:03:24 C 16 01 35.273 -03 57 45.51 L F51
2012-04-21 13:19:34 C 16 01 37.918 -03 57 17.65 L F51
2012-04-22 08:52:01 C 16 05 14.09 -03 23 03.4 o 291
2012-04-22 08:53:42 C 16 05 14.36 -03 23 00.3 o 291
2012-04-22 08:55:23 C 16 05 14.66 -03 22 57.2 o 291
2012-04-22 11:14:53 C 16 05 38.46 -03 18 46.4 o H01
2012-04-22 11:24:48 C 16 05 40.20 -03 18 28.5 o H01
2012-04-22 11:36:06 C 16 05 42.17 -03 18 07.9 o H01
2012-04-22 11:45:36 C 16 05 43.85 -03 17 50.4 o H01
2012-04-23 08:53:03 C 16 09 48.35 -02 38 37.6 u H36
2012-04-23 09:14:37 C 16 09 52.23 -02 37 56.5 u H36
2012-04-24 13:03:14 C 16 15 27.990 -01 42 47.67 L F51
2012-04-24 13:18:03 C 16 15 30.780 -01 42 17.83 L F51
2012-04-24 13:32:38 C 16 15 33.546 -01 41 47.79 L F51
2012-04-24 13:46:42 C 16 15 36.215 -01 41 18.85 L F51
2012-04-27 10:24:09 C 16 30 53.04 +00 50 10.8 o 691
2012-04-27 10:49:43 C 16 30 58.74 +00 51 12.1 o 691
2012-04-27 11:15:17 C 16 31 04.43 +00 52 13.5 o 691
2012-04-30 10:09:28 C 16 49 24.54 +03 56 47.4 o 807
2012-04-30 10:15:57 C 16 49 26.24 +03 57 05.4 o 807
2012-05-01 06:31:52 C 16 55 21.24 +04 53 16.9 o 291
2012-05-01 06:32:54 C 16 55 21.53 +04 53 18.9 o 291
2012-05-01 06:33:54 C 16 55 21.85 +04 53 22.1 o 291
2012-05-02 07:57:40 C 17 02 59.68 +06 08 47.2 o 291
2012-05-02 07:58:57 C 17 03 00.04 +06 08 51.1 o 291
2012-05-02 08:00:14 C 17 03 00.38 +06 08 54.5 o 291
2012-05-02 08:36:09 C 17 03 08.93 +06 10 35.2 u H21
2012-05-02 08:42:09 C 17 03 10.67 +06 10 53.5 u H21
2012-05-02 08:52:16 C 17 03 13.63 +06 11 24.2 u H21
2012-05-02 22:38:49 C 17 07 37.84 +06 53 38.2 r A17
2012-05-02 22:56:06 C 17 07 43.11 +06 54 32.5 r A17
2012-05-02 23:12:33 C 17 07 48.23 +06 55 24.4 r A17
2012-05-03 08:46:13 C 17 10 51.22 +07 25 44.5 o H21
2012-05-03 08:49:12 C 17 10 52.14 +07 25 53.9 o H21
2012-05-03 08:52:31 C 17 10 53.14 +07 26 04.4 o H21
2012-05-04 08:01:51 C 17 18 39.86 +08 42 43.9 o 807
2012-05-04 08:08:39 C 17 18 42.05 +08 43 06.4 o 807
2012-05-04 08:15:23 C 17 18 44.23 +08 43 28.2 o 807
2012-05-04 08:22:00 C 17 18 46.37 +08 43 50.2 o 807
2012-05-07 05:37:48 C 17 44 38.48 +12 43 35.9 o 807
2012-05-07 05:58:30 C 17 44 46.28 +12 44 51.6 o 807
2012-05-10 09:09:30 C 18 17 12.00 +17 20 23.0 o H21
2012-05-10 09:14:43 C 18 17 14.29 +17 20 42.7 o H21
2012-05-10 09:20:03 C 18 17 16.66 +17 21 02.4 o H21
2012-05-10 09:25:08 C 18 17 18.87 +17 21 21.4 o H21
2012-05-12 00:18:44 C 18 35 58.29 +19 45 25.2 u 204
2012-05-12 00:38:26 C 18 36 07.62 +19 46 38.9 u 204
2012-05-12 00:57:42 C 18 36 16.73 +19 47 50.8 u 204
2012-05-20 10:07:25 C 20 24 58.69 +29 53 50.6 o 291