155341 (2006 SA218)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2414507478 ± 1.11e-08
Semi-major axis (a)1.4775227268 AU ± 4.44e-10
Inclination (i)18.52191039° ± 2.44e-06
Long. of Asc. Node (Ω)144.35427441° ± 2.18e-06
Arg. of Perihelion (ω)278.04379238° ± 6.41e-06
Mean Anomaly (M)214.64290183° ± 6.36e-06
Mean Motion (n)0.5487961064°/day ± 2.48e-10
Perihelion dist (q)1.12077376 AU ± 1.63e-08
Aphelion dist (Q)1.83427169 AU ± 1.64e-08
Orbital Period1.79597900 yr ± 8.10e-10
Physical Parameters
H (abs. magnitude)18.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.243″
Uncertainty0
Orbit TypeAmor
MOID0.285758 AU
Observations Used1210
Gaia Obs Used46
Oppositions16
Arc Total1980-2016
First Observation Used1980-01-17
Last Observation Used2025-05-15
Observations (1285)
Date Type RA Dec Mag Band Observatory
2009-04-23 08:56:53 C 14 28 11.89 +24 51 13.2 r 703
2009-04-23 09:09:37 C 14 28 11.13 +24 51 16.6 r 703
2011-05-22 09:31:54 C 17 20 57.18 +14 03 39.6 u 448
2011-05-22 10:07:25 C 17 20 55.20 +14 03 48.9 u 448
2011-05-22 10:48:05 C 17 20 52.81 +14 03 59.8 u 448
2011-06-08 11:50:30 C 16 55 43.874 +14 37 12.32 L F51
2011-06-08 12:07:02 C 16 55 42.766 +14 37 10.38 L F51
2011-06-08 12:41:23 C 16 55 40.455 +14 37 05.83 L F51
2013-06-30 22:17:30 C 20 26 18.83 +05 12 41.0 q A13
2013-06-30 22:38:40 C 20 26 18.11 +05 12 35.7 q A13
2013-06-30 23:04:37 C 20 26 17.29 +05 12 28.8 q A13
2013-07-19 11:35:26 C 20 05 23.554 +01 26 19.85 L F51
2013-07-19 12:26:04 C 20 05 20.335 +01 25 39.86 L F51
2013-07-28 08:50:10 C 19 51 54.863 -01 49 32.90 L F51
2013-07-28 09:05:10 C 19 51 53.826 -01 49 48.54 L F51
2013-07-28 09:19:22 C 19 51 52.844 -01 50 03.34 L F51
2013-08-09 04:57:29 C 19 33 55.93 -07 19 05.4 q 448
2013-08-09 05:04:00 C 19 33 55.45 -07 19 14.1 q 448
2013-08-09 05:15:12 C 19 33 54.78 -07 19 27.0 q 448
2013-09-05 03:23:51 C 19 13 13.14 -20 22 59.8 q 448
2013-09-05 03:38:47 C 19 13 13.10 -20 23 15.2 q 448
2013-09-05 03:51:49 C 19 13 13.10 -20 23 29.3 q 448
2014-03-13 03:06:40 C 04 07 11.34 +10 01 36.6 q G96
2014-03-13 03:13:14 C 04 07 12.33 +10 01 43.9 q G96
2014-03-13 03:19:48 C 04 07 13.35 +10 01 51.3 q G96
2014-03-13 03:26:22 C 04 07 14.34 +10 01 58.7 q G96
2015-11-29 05:57:06 C 09 19 32.47 -23 45 30.3 u 807
2015-11-29 06:00:31 C 09 19 32.78 -23 45 30.4 u 807
2015-11-29 06:04:07 C 09 19 33.09 -23 45 30.3 u 807
2015-11-29 06:07:22 C 09 19 33.38 -23 45 30.4 u 807
2015-11-29 06:10:58 C 09 19 33.68 -23 45 30.6 u 807
2015-12-12 13:40:22 C 09 46 07.92 -23 06 44.2 L T05
2015-12-12 13:58:33 C 09 46 09.15 -23 06 38.6 L T05
2015-12-12 14:39:14 C 09 46 11.94 -23 06 28.3 L T05
2015-12-12 14:44:01 C 09 46 12.31 -23 06 26.5 L T05
2015-12-13 13:30:10 C 09 47 52.53 -23 00 04.1 L T05
2015-12-13 14:16:22 C 09 47 55.52 -22 59 49.4 L T05
2015-12-13 14:23:09 C 09 47 56.03 -22 59 46.6 L T05
2015-12-13 14:56:06 C 09 47 58.20 -22 59 38.4 L T05
2015-12-16 11:03:39 C 09 52 44.58 -22 37 06.8 R G45
2015-12-16 11:11:06 C 09 52 45.03 -22 37 03.7 R G45
2015-12-16 11:17:57 C 09 52 45.47 -22 37 01.5 R G45
2015-12-16 11:31:24 C 09 52 46.28 -22 36 56.2 R G45
2015-12-22 08:23:01 C 10 01 38.45 -21 32 35.8 u 807
2015-12-22 08:25:31 C 10 01 38.58 -21 32 34.4 u 807
2015-12-22 08:28:13 C 10 01 38.72 -21 32 32.9 u 807
2015-12-22 08:30:53 C 10 01 38.86 -21 32 31.5 u 807
2015-12-22 08:33:14 C 10 01 39.00 -21 32 30.3 u 807
2015-12-23 07:58:57 C 10 02 59.46 -21 19 23.1 u 807
2015-12-23 08:01:28 C 10 02 59.59 -21 19 21.7 u 807