612970 (2005 HN3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3356526455 ± 7.41e-08
Semi-major axis (a)0.8554406455 AU ± 5.86e-09
Inclination (i)7.90178499° ± 5.31e-06
Long. of Asc. Node (Ω)59.28326082° ± 8.51e-06
Arg. of Perihelion (ω)6.30436421° ± 1.16e-05
Mean Anomaly (M)128.20166062° ± 2.02e-05
Mean Motion (n)1.2457401270°/day ± 1.28e-08
Perihelion dist (q)0.56830973 AU ± 6.35e-08
Aphelion dist (Q)1.14257156 AU ± 6.39e-08
Orbital Period0.79119735 yr ± 8.13e-09
NGA Modelr2
A2-8.28640555e-14 ± 9.02e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.318″
Uncertainty0
Orbit TypeAten
MOID0.078602 AU
Observations Used241
Oppositions5
Arc Total2005-2024
First Observation Used2005-04-21
Last Observation Used2024-06-10
Observations (250)
Date Type RA Dec Mag Band Observatory
2005-04-21 07:13:54 C 13 40 33.51 +56 16 34.3 18.3 c 704
2005-04-21 07:28:38 C 13 40 23.89 +56 14 48.6 18.3 c 704
2005-04-21 07:45:51 C 13 40 12.77 +56 12 45.2 18.6 c 704
2005-04-21 08:01:41 C 13 40 02.53 +56 10 50.8 18.3 c 704
2005-04-21 08:17:55 C 13 39 52.11 +56 08 52.9 18.6 c 704
2005-04-22 00:41:02 C 13 30 40.54 +54 11 11.9 o J95
2005-04-22 00:47:38 C 13 30 36.84 +54 10 24.7 o J95
2005-04-22 00:53:57 C 13 30 33.27 +54 09 38.3 o J95
2005-04-22 02:42:07 C 13 29 33.57 +53 56 30.3 o J95
2005-04-22 02:48:52 C 13 29 29.96 +53 55 41.8 o J95
2005-04-22 02:55:01 C 13 29 26.60 +53 54 56.9 o J95
2005-04-22 04:08:04 C 13 28 58.10 +53 46 49.5 o 649
2005-04-22 04:10:38 C 13 28 56.68 +53 46 31.5 o 649
2005-04-22 04:13:14 C 13 28 55.24 +53 46 13.1 o 649
2005-04-22 04:15:48 C 13 28 53.81 +53 45 54.7 o 649
2005-04-22 04:25:33 C 13 28 45.17 +53 44 45.1 o 932
2005-04-22 04:26:18 C 13 28 48.00 +53 44 36.9 o H36
2005-04-22 04:29:58 C 13 28 46.03 +53 44 13.3 o H36
2005-04-22 04:31:48 C 13 28 41.70 +53 44 00.4 o 932
2005-04-22 04:33:37 C 13 28 43.94 +53 43 48.5 o H36
2005-04-22 04:37:18 C 13 28 41.96 +53 43 19.0 o H36
2005-04-22 04:39:17 C 13 28 37.54 +53 43 06.6 o 932
2005-04-22 04:39:58 C 13 28 43.16 +53 43 07.0 c 854
2005-04-22 04:40:59 C 13 28 40.12 +53 42 54.3 o H36
2005-04-22 04:44:22 C 13 28 40.80 +53 42 35.7 c 854
2005-04-22 04:46:33 C 13 28 39.59 +53 42 20.7 c 854
2005-04-22 07:20:08 C 13 27 14.20 +53 24 08.5 o H06
2005-04-22 07:27:07 C 13 27 10.40 +53 23 19.5 o H06
2005-04-22 07:34:05 C 13 27 06.47 +53 22 28.3 o H06
2005-04-22 19:57:19 C 13 21 16.37 +51 53 29.9 o 151
2005-04-22 19:59:01 C 13 21 15.58 +51 53 18.2 o 151
2005-04-22 19:59:50 C 13 21 15.21 +51 53 12.2 o 151
2005-04-22 20:00:01 C 13 21 15.10 +51 53 11.6 o 151
2005-04-22 22:09:40 C 13 20 16.41 +51 38 22.3 950
2005-04-23 00:31:15 C 13 19 07.12 +51 21 49.1 950
2005-04-23 03:24:53 C 13 17 44.08 +51 00 58.0 950
2005-04-23 23:17:38 C 13 09 46.07 +48 41 35.7 950
2005-04-24 00:05:42 C 13 09 25.97 +48 36 03.2 950
2005-04-24 00:06:49 C 13 09 25.50 +48 35 55.4 950
2005-04-24 01:25:13 C 13 08 52.95 +48 26 46.9 950
2005-04-24 02:36:10 C 13 08 24.02 +48 18 25.4 950
2005-04-24 09:34:43 C 13 05 50.22 +47 29 55.1 o H06
2005-04-24 09:41:32 C 13 05 47.56 +47 29 04.5 o H06
2005-04-24 09:48:37 C 13 05 45.05 +47 28 15.8 o H06
2005-04-24 20:55:42 C 13 02 09.22 +46 12 32.9 950
2005-04-24 22:01:32 C 13 01 45.72 +46 05 17.7 950
2005-04-25 00:20:28 C 13 00 55.69 +45 49 46.1 950
2005-04-25 02:00:36 C 13 00 20.14 +45 38 22.7 950
2005-04-25 04:20:23 C 12 59 32.57 +45 22 15.8 950
2005-04-25 21:06:34 C 12 54 44.10 +43 31 25.7 950