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
2005-04-25 21:50:02 C 12 54 30.61 +43 26 47.9 950
2005-04-25 22:28:36 C 12 54 16.25 +43 22 27.0 r 952
2005-04-25 22:34:01 C 12 54 14.57 +43 21 51.7 r 952
2005-04-25 22:39:08 C 12 54 15.29 +43 21 32.2 950
2005-04-25 22:39:26 C 12 54 12.89 +43 21 16.4 r 952
2005-04-26 20:34:54 C 12 48 32.23 +41 00 48.4 950
2005-04-26 20:43:03 C 12 48 26.55 +40 59 45.2 r A30
2005-04-26 20:43:39 C 12 48 26.39 +40 59 41.5 r A30
2005-04-26 20:44:47 C 12 48 26.08 +40 59 34.3 r A30
2005-04-26 20:45:22 C 12 48 25.93 +40 59 30.7 r A30
2005-04-26 20:47:04 C 12 48 25.45 +40 59 20.0 r A30
2005-04-26 20:47:38 C 12 48 25.29 +40 59 16.4 r A30
2005-04-26 23:32:09 C 12 47 42.63 +40 41 57.2 r J95
2005-04-27 01:27:59 C 12 47 12.60 +40 29 45.2 r J95
2005-04-27 01:33:50 C 12 47 11.12 +40 29 07.8 r J95
2005-04-27 01:49:39 C 12 47 07.07 +40 28 08.3 950
2005-04-27 04:07:03 C 12 46 37.09 +40 13 42.0 r 932
2005-04-27 04:12:03 C 12 46 35.80 +40 13 10.8 r 932
2005-04-27 04:18:48 C 12 46 34.03 +40 12 28.8 r 932
2005-04-29 02:08:00 C 12 37 03.78 +35 40 42.2 r J95
2005-04-29 02:08:00 C 12 37 08.73 +35 41 10.9 r 932
2005-04-29 02:17:00 C 12 37 02.05 +35 39 50.3 r J95
2005-04-29 02:17:00 C 12 37 06.91 +35 40 20.3 r 932
2005-04-29 02:22:36 C 12 37 00.98 +35 39 18.6 r J95
2005-04-29 02:22:36 C 12 37 05.78 +35 39 48.8 r 932
2005-04-29 21:18:32 C 12 33 49.80 +33 55 01.0 o 151
2005-04-29 21:19:52 C 12 33 49.55 +33 54 53.8 o 151
2005-04-29 21:20:26 C 12 33 49.43 +33 54 50.4 o 151
2005-04-29 23:28:21 C 12 33 26.46 +33 43 27.2 r 176
2005-04-29 23:29:17 C 12 33 26.28 +33 43 22.2 r 176
2005-04-29 23:30:12 C 12 33 26.10 +33 43 17.2 r 176
2005-04-29 23:31:06 C 12 33 25.92 +33 43 12.3 r 176
2005-04-29 23:32:02 C 12 33 25.74 +33 43 07.3 r 176
2005-05-01 05:15:48 C 12 29 01.98 +31 08 21.0 r 703
2005-05-01 05:27:29 C 12 29 00.11 +31 07 22.6 r 703
2005-05-01 05:39:07 C 12 28 58.23 +31 06 23.0 r 703
2005-05-01 05:50:34 C 12 28 56.38 +31 05 25.4 r 703
2005-05-01 21:29:29 C 12 26 53.23 +29 47 44.4 c 215
2005-05-02 04:58:36 C 12 25 58.66 +29 11 58.7 c 673
2005-05-02 05:24:19 C 12 25 55.05 +29 09 56.5 c 673
2005-05-02 05:32:29 C 12 25 53.84 +29 09 17.4 c 673
2005-05-02 05:53:00 C 12 25 50.90 +29 07 39.2 c 673
2005-05-11 04:44:48 C 12 10 17.59 +15 40 55.2 19.1 c 704
2005-05-11 05:01:38 C 12 10 16.77 +15 40 06.0 19.2 c 704
2005-05-11 05:16:35 C 12 10 16.06 +15 39 21.9 19.5 c 704
2005-05-11 05:30:58 C 12 10 15.21 +15 38 39.4 19.2 c 704
2005-05-11 05:45:51 C 12 10 14.50 +15 37 55.8 18.8 c 704
2005-05-21 05:32:58 C 12 06 44.77 +06 20 43.2 r G96
2005-05-21 05:36:39 C 12 06 44.76 +06 20 36.2 r G96
2005-05-21 05:40:19 C 12 06 44.68 +06 20 30.4 r G96