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
2005-05-21 05:44:06 C 12 06 44.69 +06 20 22.8 r G96
2005-05-22 05:46:54 C 12 06 50.71 +05 36 36.9 20.0 o 644
2005-05-22 06:17:15 C 12 06 50.61 +05 35 42.8 19.5 o 644
2005-05-22 06:45:40 C 12 06 50.52 +05 34 51.8 20.1 o 644
2005-05-26 21:42:23 C 12 08 02.87 +02 32 57.2 r 941
2005-05-26 21:44:43 C 12 08 02.87 +02 32 53.7 r 941
2005-05-26 21:45:54 C 12 08 02.88 +02 32 52.0 r 941
2005-05-26 21:48:15 C 12 08 02.89 +02 32 47.9 r 941
2009-04-22 16:24:40 C 18 53 52.46 -12 16 32.0 o 474
2009-04-22 16:27:21 C 18 53 52.31 -12 16 33.0 o 474
2009-04-22 16:31:49 C 18 53 52.15 -12 16 35.7 o 474
2009-05-23 07:55:15 C 17 12 29.54 -28 26 28.6 r I20
2013-05-22 07:18:16 C 21 11 29.75 -24 58 14.6 u 807
2013-05-22 07:27:39 C 21 11 30.86 -24 58 22.3 u 807
2013-06-26 09:32:28 C 00 51 39.71 -44 40 45.6 u 807
2013-06-26 09:38:23 C 00 51 42.96 -44 40 52.7 u 807
2013-06-26 09:41:58 C 00 51 44.89 -44 40 56.5 u 807
2013-06-26 09:45:36 C 00 51 46.85 -44 41 00.9 u 807
2013-06-26 09:49:27 C 00 51 48.96 -44 41 05.7 u 807
2016-04-30 03:25:52 C 07 48 42.63 +34 08 17.2 o 291
2016-04-30 03:30:31 C 07 48 44.06 +34 08 12.1 o 291
2016-04-30 03:35:09 C 07 48 45.44 +34 08 05.8 o 291
2020-05-20 04:27:54 C 11 10 07.72 +13 40 52.4 V G96
2020-05-20 04:35:24 C 11 10 08.43 +13 40 37.7 V G96
2020-05-20 04:42:55 C 11 10 09.07 +13 40 22.0 V G96
2020-05-20 04:50:26 C 11 10 09.82 +13 40 07.4 V G96
2020-05-21 04:57:12 C 11 12 29.64 +12 52 05.4 V G96
2020-05-21 05:04:38 C 11 12 30.30 +12 51 51.0 V G96
2020-05-21 05:12:03 C 11 12 30.96 +12 51 35.7 V G96
2020-05-21 05:19:30 C 11 12 31.62 +12 51 21.1 V G96
2024-04-24 23:05:28 C 17 37 18.238 +00 55 10.13 V M22
2024-04-24 23:10:03 C 17 37 16.939 +00 55 05.84 V M22
2024-04-24 23:14:03 C 17 37 15.852 +00 55 01.31 V M22
2024-04-24 23:47:28 C 17 37 06.674 +00 54 31.25 V M22
2024-04-28 12:09:37 C 17 13 26.194 -00 32 14.50 V T05
2024-04-28 12:12:21 C 17 13 25.255 -00 32 18.71 V T05
2024-04-28 12:49:11 C 17 13 13.474 -00 32 58.20 V T05
2024-04-28 12:53:45 C 17 13 12.034 -00 33 03.53 V T05
2024-04-28 12:55:42 C 17 13 11.395 -00 33 05.22 V T05
2024-04-29 02:11:55 C 17 09 08.760 -00 46 40.98 V M22
2024-04-29 02:19:53 C 17 09 06.190 -00 46 50.30 V M22
2024-04-29 02:25:11 C 17 09 04.505 -00 46 56.28 V M22
2024-04-29 02:39:35 C 17 08 59.782 -00 47 12.05 V M22
2024-05-02 11:28:13 C 16 42 57.538 -02 24 02.48 V T05
2024-05-02 11:30:49 C 16 42 56.606 -02 24 06.08 V T05
2024-05-02 11:35:28 C 16 42 54.926 -02 24 11.70 V T05
2024-05-02 11:38:05 C 16 42 53.998 -02 24 14.87 V T05
2024-05-02 11:40:41 C 16 42 53.074 -02 24 18.11 V T05
2024-05-02 11:43:17 C 16 42 52.152 -02 24 21.46 V T05
2024-05-02 11:45:14 C 16 42 51.434 -02 24 23.76 V T05