2005 ST4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5545792000
Semi-major axis (a)2.3613449000 AU
Inclination (i)4.99320000°
Long. of Asc. Node (Ω)168.88706000°
Arg. of Perihelion (ω)231.37181000°
Mean Anomaly (M)191.38653000°
Mean Motion (n)0.2716219900°/day
Perihelion dist (q)1.05179210 AU
Aphelion dist (Q)3.67089770 AU
Orbital Period3.62860030 yr
Physical Parameters
H (abs. magnitude)22.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.620″
Uncertainty5
Orbit TypeAmor
MOID0.084935 AU
Observations Used46
Oppositions1
Arc Total
First Observation Used
Last Observation Used2005-12-23
Observations (50)
Date Type RA Dec Mag Band Observatory
2005-09-25 05:39:07 C 23 21 18.86 -12 39 24.6 r 703
2005-09-25 05:48:22 C 23 21 19.94 -12 39 41.6 r 703
2005-09-25 05:57:40 C 23 21 21.06 -12 39 56.5 r 703
2005-09-25 06:06:52 C 23 21 22.14 -12 40 13.0 r 703
2005-09-25 06:58:03 C 23 21 28.24 -12 41 37.4 r 703
2005-09-25 07:06:31 C 23 21 29.22 -12 41 51.2 r 703
2005-09-25 07:15:02 C 23 21 30.20 -12 42 07.1 r 703
2005-09-25 07:23:32 C 23 21 31.29 -12 42 20.9 r 703
2005-09-25 22:10:24 C 23 23 36.30 -13 07 36.8 r J95
2005-09-25 22:14:14 C 23 23 36.81 -13 07 41.9 r J95
2005-09-25 22:18:02 C 23 23 37.33 -13 07 48.5 r J95
2005-09-26 05:09:29 C 23 24 37.65 -13 19 26.2 c 673
2005-09-26 05:20:19 C 23 24 38.96 -13 19 44.6 c 673
2005-09-26 05:26:04 C 23 24 39.41 -13 19 54.1 c 854
2005-09-26 05:28:30 C 23 24 40.25 -13 20 01.3 c 673
2005-09-26 05:34:21 C 23 24 40.48 -13 20 09.4 c 854
2005-09-26 05:36:40 C 23 24 41.21 -13 20 14.2 c 673
2005-09-26 05:42:38 C 23 24 41.53 -13 20 23.3 c 854
2005-09-26 07:42:04 C 23 24 56.91 -13 23 51.9 r 703
2005-09-26 07:50:01 C 23 24 57.96 -13 24 05.2 r 703
2005-09-26 07:58:04 C 23 24 58.96 -13 24 19.6 r 703
2005-09-26 08:06:04 C 23 25 00.01 -13 24 33.1 r 703
2005-09-26 10:55:40 C 23 25 27.48 -13 28 09.1 r 474
2005-09-26 10:59:18 C 23 25 27.96 -13 28 15.7 r 474
2005-09-26 11:07:07 C 23 25 29.01 -13 28 29.3 r 474
2005-09-27 06:30:16 C 23 28 26.15 -14 04 33.9 18.8 c 704
2005-09-27 06:45:19 C 23 28 28.28 -14 05 01.6 19.1 c 704
2005-09-27 07:00:21 C 23 28 30.43 -14 05 28.9 18.8 c 704
2005-09-27 07:15:23 C 23 28 32.52 -14 05 55.3 19.2 c 704
2005-09-27 15:57:04 C 23 29 54.57 -14 20 41.6 r 413
2005-10-05 05:37:10 C 00 10 07.98 -20 53 14.4 r 448
2005-10-05 05:48:36 C 00 10 11.00 -20 53 43.4 r 448
2005-10-05 05:59:58 C 00 10 14.13 -20 54 10.3 r 448
2005-10-05 06:11:26 C 00 10 17.18 -20 54 38.2 r 448
2005-10-12 07:22:41 C 01 14 56.15 -27 57 15.1 c 926
2005-10-12 07:23:38 C 01 14 56.59 -27 57 17.4 c 926
2005-10-12 07:24:35 C 01 14 57.00 -27 57 19.7 c 926
2005-10-20 11:23:42 C 03 06 48.47 -33 00 12.2 k F65
2005-10-20 11:24:57 C 03 06 49.22 -33 00 12.7 k F65
2005-10-21 10:25:43 C 03 21 01.90 -33 05 40.2 o F65
2005-10-21 10:27:58 C 03 21 03.15 -33 05 39.8 o F65
2005-10-27 17:15:27 C 04 45 03.56 -31 08 11.7 r E12
2005-10-27 17:27:53 C 04 45 09.21 -31 07 54.0 r E12
2005-10-27 17:52:49 C 04 45 20.48 -31 07 15.3 r E12
2005-11-16 13:13:08 C 06 49 03.67 -17 50 30.2 F65
2005-11-16 13:14:28 C 06 49 03.82 -17 50 27.3 F65
2005-11-16 13:15:48 C 06 49 03.98 -17 50 25.7 F65
2005-11-16 13:17:08 C 06 49 04.08 -17 50 23.8 F65
2005-12-23 09:22:01 C 07 08 43.61 -00 28 21.4 d 291
2005-12-23 09:33:32 C 07 08 43.29 -00 28 08.2 d 291