481052 (2005 HD4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2623930278 ± 2.35e-08
Semi-major axis (a)1.4406852833 AU ± 9.14e-10
Inclination (i)22.47495484° ± 8.79e-06
Long. of Asc. Node (Ω)224.67963815° ± 4.00e-06
Arg. of Perihelion (ω)349.75381268° ± 1.26e-05
Mean Anomaly (M)320.93620120° ± 9.16e-06
Mean Motion (n)0.5699786605°/day ± 5.42e-10
Perihelion dist (q)1.06265951 AU ± 3.39e-08
Aphelion dist (Q)1.81871106 AU ± 3.39e-08
Orbital Period1.72923366 yr ± 1.65e-09
Physical Parameters
H (abs. magnitude)20.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.303″
Uncertainty0
Orbit TypeAmor
MOID0.056958 AU
Observations Used131
Oppositions8
Arc Total2005-2024
First Observation Used2005-04-30
Last Observation Used2024-08-01
Observations (132)
Date Type RA Dec Mag Band Observatory
2005-05-12 20:34:19 C 11 26 40.22 +10 27 45.1 c 540
2005-05-12 20:39:40 C 11 26 42.19 +10 28 21.4 c 540
2005-05-12 21:00:45 C 11 26 50.05 +10 30 48.4 c A48
2005-05-12 21:07:07 C 11 26 52.41 +10 31 31.9 c A48
2005-05-12 21:12:10 C 11 26 54.25 +10 32 06.3 c A48
2005-05-12 21:17:21 C 11 26 56.11 +10 32 41.3 c A48
2005-05-21 05:34:10 C 12 39 37.72 +28 32 32.0 r G96
2005-05-21 05:37:52 C 12 39 38.91 +28 32 46.1 r G96
2005-05-21 05:41:34 C 12 39 40.10 +28 33 00.5 r G96
2005-05-21 05:45:19 C 12 39 41.29 +28 33 14.9 r G96
2005-05-25 20:38:31 C 13 14 37.20 +34 22 29.9 o 198
2005-05-25 20:41:58 C 13 14 38.19 +34 22 38.4 o 198
2005-05-25 20:43:41 C 13 14 38.69 +34 22 42.6 o 198
2005-05-25 20:45:24 C 13 14 39.18 +34 22 46.8 o 198
2005-05-25 20:51:00 C 13 14 40.77 +34 23 00.4 o 198
2005-05-26 22:04:40 C 13 21 56.95 +35 22 53.3 r 941
2005-05-26 22:05:51 C 13 21 57.26 +35 22 56.0 r 941
2005-05-26 22:11:43 C 13 21 58.82 +35 23 08.9 r 941
2005-05-26 22:12:23 C 13 21 58.99 +35 23 10.4 r 941
2005-05-26 22:13:03 C 13 21 59.18 +35 23 12.1 r 941
2005-05-27 20:13:48 C 13 28 08.58 +36 10 11.6 o 461
2005-05-27 20:16:18 C 13 28 09.25 +36 10 16.6 o 461
2005-05-27 20:18:48 C 13 28 09.92 +36 10 21.8 o 461
2005-05-27 20:21:16 C 13 28 10.56 +36 10 26.8 o 461
2005-06-13 05:55:51 C 14 50 45.89 +41 56 01.0 c 682
2005-06-13 06:31:18 C 14 50 51.23 +41 56 05.1 c 682
2005-06-13 07:06:43 C 14 50 56.39 +41 56 08.6 c 682
2005-07-17 22:44:45 C 16 22 04.26 +36 21 57.1 r J95
2005-07-17 23:13:21 C 16 22 06.65 +36 21 36.3 r J95
2005-08-30 06:15:29 C 17 50 12.53 +21 25 50.3 o F65
2005-08-30 06:27:31 C 17 50 13.58 +21 25 39.4 o F65
2005-08-30 07:24:23 C 17 50 18.44 +21 24 48.1 o F65
2009-11-01 12:47:34 C 05 09 30.846 +12 50 22.17 V T12
2009-11-09 11:31:27 C 05 02 03.295 +09 41 52.58 V T12
2009-11-11 08:38:59 C 04 59 50.095 +08 54 50.37 V T12
2009-11-11 08:42:10 C 04 59 49.922 +08 54 46.94 V T12
2009-11-11 08:45:32 C 04 59 49.742 +08 54 43.55 V T12
2009-11-17 10:40:55 C 04 51 31.40 +06 18 36.2 o 291
2009-11-17 10:46:13 C 04 51 31.14 +06 18 30.3 o 291
2009-11-17 10:52:30 C 04 51 30.66 +06 18 23.9 o 291
2012-08-11 04:24:12 C 20 26 58.78 +42 56 06.9 u H21
2012-08-11 04:51:51 C 20 26 57.40 +42 55 46.8 u H21
2012-08-11 05:17:54 C 20 26 56.03 +42 55 26.9 u H21
2012-08-12 04:01:14 C 20 25 53.05 +42 38 14.3 u H21
2012-08-12 04:27:00 C 20 25 51.80 +42 37 54.5 u H21
2012-08-12 04:29:48 C 20 25 51.65 +42 37 52.6 u H21
2012-08-20 03:16:58 C 20 18 36.48 +39 48 43.6 u H21
2012-08-20 03:37:54 C 20 18 35.82 +39 48 22.6 u H21
2012-08-20 03:57:51 C 20 18 35.12 +39 48 02.6 u H21
2014-09-29 07:43:04 C 02 24 57.18 +31 46 04.2 u H21