308899 (2006 SL198)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3736583140 ± 2.34e-08
Semi-major axis (a)1.7995336764 AU ± 1.94e-09
Inclination (i)16.54622888° ± 3.03e-06
Long. of Asc. Node (Ω)173.20080932° ± 8.22e-06
Arg. of Perihelion (ω)213.22707551° ± 9.81e-06
Mean Anomaly (M)318.03417956° ± 3.48e-06
Mean Motion (n)0.4082933519°/day ± 6.60e-10
Perihelion dist (q)1.12712296 AU ± 4.21e-08
Aphelion dist (Q)2.47194440 AU ± 4.22e-08
Orbital Period2.41401502 yr ± 3.90e-09
Physical Parameters
H (abs. magnitude)18.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.263″
Uncertainty0
Orbit TypeAmor
MOID0.157363 AU
Observations Used322
Oppositions11
Arc Total2006-2025
First Observation Used2006-09-29
Last Observation Used2025-06-19
Observations (354)
Date Type RA Dec Mag Band Observatory
2010-03-18 06:55:50 C 12 52 32.42 +01 06 31.3 o 691
2011-06-21 10:15:55 C 00 16 20.53 +14 14 51.6 o 291
2011-06-21 10:22:18 C 00 16 21.50 +14 14 55.2 o 291
2011-06-21 10:28:07 C 00 16 22.35 +14 14 57.2 o 291
2011-11-22 07:19:22 C 08 57 44.29 -12 56 59.5 o 807
2011-11-22 07:24:38 C 08 57 44.51 -12 57 02.0 o 807
2011-11-22 07:29:52 C 08 57 44.71 -12 57 04.8 o 807
2011-11-22 07:34:43 C 08 57 44.90 -12 57 07.3 o 807
2011-11-22 07:39:57 C 08 57 45.10 -12 57 10.0 o 807
2011-11-22 07:46:40 C 08 57 45.39 -12 57 13.4 o 807
2011-12-07 08:06:17 C 09 07 42.07 -15 25 14.2 o 807
2011-12-07 08:17:52 C 09 07 42.18 -15 25 17.7 o 807
2011-12-07 08:29:26 C 09 07 42.29 -15 25 21.2 o 807
2011-12-08 12:31:07 C 09 08 01.492 -15 33 37.42 L F51
2011-12-08 12:41:10 C 09 08 01.582 -15 33 40.34 L F51
2011-12-09 05:40:18 C 09 08 11.15 -15 38 08.5 o 807
2011-12-09 05:49:24 C 09 08 11.20 -15 38 10.9 o 807
2011-12-09 05:58:50 C 09 08 11.26 -15 38 13.5 o 807
2012-02-16 00:28:16 C 08 07 49.52 -01 42 40.5 u 821
2012-02-16 00:32:20 C 08 07 49.41 -01 42 36.8 u 821
2012-02-16 00:36:25 C 08 07 49.29 -01 42 32.6 u 821
2015-03-21 12:32:23 C 14 11 13.753 -00 53 34.09 L F51
2015-03-21 12:50:40 C 14 11 13.180 -00 53 24.61 L F51
2015-03-21 13:09:14 C 14 11 12.604 -00 53 15.09 L F51
2015-03-21 13:27:37 C 14 11 12.006 -00 53 05.39 L F51
2015-03-22 12:15:33 C 14 10 30.013 -00 41 11.37 L F51
2015-03-22 12:35:15 C 14 10 29.375 -00 41 01.06 L F51
2015-03-22 12:55:09 C 14 10 28.723 -00 40 50.63 L F51
2015-04-16 08:24:04 C 13 45 37.922 +04 34 53.92 L F51
2015-04-16 08:44:54 C 13 45 36.895 +04 35 03.99 L F51
2015-04-16 09:05:47 C 13 45 35.887 +04 35 14.62 L F51
2015-04-18 08:23:09 C 13 43 20.590 +04 57 56.03 L F51
2015-04-18 08:44:04 C 13 43 19.571 +04 58 06.05 L F51
2015-04-18 09:05:00 C 13 43 18.546 +04 58 15.57 L F51
2017-02-03 09:26:34 C 11 12 47.59 -05 43 19.9 V G45
2017-02-03 10:34:29 C 11 12 45.11 -05 42 46.8 V G45
2017-02-03 12:10:05 C 11 12 41.56 -05 41 58.9 V G45
2017-02-03 12:43:08 C 11 12 40.33 -05 41 42.9 V G45
2017-02-03 13:31:25 C 11 12 38.836 -05 41 19.18 L F51
2017-02-03 13:47:33 C 11 12 38.226 -05 41 11.17 L F51
2017-02-03 14:03:41 C 11 12 37.616 -05 41 03.34 L F51
2017-02-03 14:19:52 C 11 12 37.013 -05 40 55.41 L F51
2017-02-25 08:12:00 C 10 48 35.99 -00 14 10.1 q G96
2017-02-25 08:16:05 C 10 48 35.78 -00 14 07.8 q G96
2017-02-25 08:20:01 C 10 48 35.56 -00 14 05.0 q G96
2017-02-25 08:23:55 C 10 48 35.37 -00 14 01.8 q G96
2017-02-25 10:54:21 C 10 48 27.650 -00 12 12.26 L F51
2017-02-25 11:12:16 C 10 48 26.692 -00 11 59.46 L F51
2017-02-25 11:30:07 C 10 48 25.735 -00 11 46.56 L F51
2017-03-18 05:26:31 C 10 25 25.99 +05 35 22.3 q G96