339715 (2005 SS4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7514576469 ± 7.03e-08
Semi-major axis (a)1.4598048502 AU ± 6.12e-09
Inclination (i)14.55942890° ± 1.10e-05
Long. of Asc. Node (Ω)28.62621690° ± 3.31e-05
Arg. of Perihelion (ω)192.33235916° ± 3.51e-05
Mean Anomaly (M)207.72128005° ± 1.14e-05
Mean Motion (n)0.5588175961°/day ± 3.51e-09
Perihelion dist (q)0.36282333 AU ± 1.03e-07
Aphelion dist (Q)2.55678637 AU ± 1.03e-07
Orbital Period1.76377102 yr ± 1.11e-08
Physical Parameters
H (abs. magnitude)18.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.483″
Uncertainty0
Orbit TypeApollo
MOID0.189358 AU
Observations Used105
Oppositions10
Arc Total1998-2022
First Observation Used1998-09-19
Last Observation Used2022-12-23
Observations (114)
Date Type RA Dec Mag Band Observatory
1998-09-19 08:58:53 C 01 49 58.680 -00 36 03.47 n 645
1998-09-19 09:00:04 C 01 49 58.529 -00 36 04.10 n 645
1998-09-19 09:03:39 C 01 49 58.082 -00 36 05.47 n 645
2005-09-10 14:37:38 C 02 01 30.27 -08 41 37.9 c 568
2005-09-10 14:45:20 C 02 01 28.75 -08 41 41.3 c 568
2005-09-10 14:53:25 C 02 01 27.31 -08 41 45.6 c 568
2005-09-10 15:01:09 C 02 01 25.81 -08 41 49.0 c 568
2005-09-24 08:20:12 C 01 03 32.40 -10 40 56.2 r 703
2005-09-24 08:29:34 C 01 03 30.81 -10 40 58.7 r 703
2005-09-24 08:38:55 C 01 03 29.30 -10 41 01.5 r 703
2005-09-24 08:48:17 C 01 03 27.72 -10 41 03.0 r 703
2005-09-25 07:24:40 C 00 59 51.10 -10 45 36.3 c 673
2005-09-25 07:35:10 C 00 59 49.52 -10 45 38.0 c 673
2005-09-25 07:39:50 C 00 59 48.73 -10 45 39.0 c 673
2005-09-25 07:49:29 C 00 59 47.19 -10 45 40.6 c 673
2005-09-25 23:29:53 C 00 57 19.25 -10 48 36.2 r J95
2005-09-25 23:35:46 C 00 57 18.38 -10 48 36.5 r J95
2005-09-26 08:03:40 C 00 55 59.24 -10 50 01.4 c 673
2005-09-26 08:10:50 C 00 55 58.00 -10 50 02.6 c 673
2005-09-26 08:18:19 C 00 55 56.87 -10 50 03.4 c 673
2005-09-26 08:26:50 C 00 55 55.60 -10 50 04.8 c 673
2005-09-26 12:21:20 C 00 55 19.47 -10 50 26.4 o 474
2005-09-26 12:24:58 C 00 55 18.91 -10 50 27.1 o 474
2005-09-26 12:28:35 C 00 55 18.26 -10 50 26.9 o 474
2005-09-26 12:41:06 C 00 55 16.37 -10 50 29.1 o 474
2005-09-30 06:49:11 C 00 41 57.76 -11 01 56.7 r G96
2005-09-30 06:57:57 C 00 41 56.54 -11 01 57.5 r G96
2005-09-30 07:06:41 C 00 41 55.28 -11 01 58.2 r G96
2005-09-30 07:15:26 C 00 41 54.02 -11 01 58.8 r G96
2005-10-13 04:08:32 C 00 06 23.36 -10 53 11.9 d 291
2005-10-13 04:18:14 C 00 06 22.37 -10 53 13.2 d 291
2005-10-13 04:23:44 C 00 06 21.98 -10 53 10.8 d 291
2005-10-13 07:29:22 C 00 06 04.96 -10 52 49.1 r G96
2005-10-13 07:32:46 C 00 06 04.68 -10 52 48.1 r G96
2005-10-22 03:35:12 C 23 50 36.63 -10 17 01.0 d 291
2005-10-22 03:40:55 C 23 50 36.26 -10 16 58.5 d 291
2005-10-22 03:46:57 C 23 50 35.92 -10 16 58.4 d 291
2005-10-30 02:21:54 C 23 41 46.13 -09 32 50.2 o 696
2005-10-30 03:08:17 C 23 41 44.38 -09 32 38.4 o 696
2006-12-10 21:28:34 C 04 04 44.02 +46 08 15.2 r 143
2006-12-10 21:38:52 C 04 04 42.04 +46 08 17.2 r 143
2006-12-15 06:46:54 C 03 43 28.34 +46 06 52.3 r G96
2006-12-15 06:47:40 C 03 43 28.20 +46 06 52.2 r G96
2006-12-15 06:48:29 C 03 43 28.02 +46 06 52.7 r G96
2006-12-15 06:49:14 C 03 43 27.87 +46 06 52.5 r G96
2007-01-05 05:51:07 C 02 11 46.83 +41 23 19.5 r 448
2007-01-05 06:37:09 C 02 11 40.33 +41 22 38.1 r 448
2007-01-05 07:28:16 C 02 11 33.14 +41 21 53.6 r 448
2007-10-09 05:06:02 C 02 01 55.04 +10 31 20.1 o 691
2007-10-09 05:31:25 C 02 01 52.91 +10 31 12.8 o 691