2011 SS25

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7296555650 ± 4.54e-08
Semi-major axis (a)1.8841272508 AU ± 4.72e-09
Inclination (i)34.44719434° ± 1.32e-05
Long. of Asc. Node (Ω)18.35672037° ± 3.50e-06
Arg. of Perihelion (ω)110.17207576° ± 8.05e-06
Mean Anomaly (M)145.83227645° ± 7.05e-06
Mean Motion (n)0.3811070035°/day ± 1.43e-09
Perihelion dist (q)0.50936332 AU ± 8.56e-08
Aphelion dist (Q)3.25889118 AU ± 8.60e-08
Orbital Period2.58621929 yr ± 9.72e-09
Physical Parameters
H (abs. magnitude)18.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.278″
Uncertainty0
Orbit TypeApollo
MOID0.091114 AU
Observations Used234
Oppositions8
Arc Total2011-2024
First Observation Used2011-09-22
Last Observation Used2024-09-21
Observations (238)
Date Type RA Dec Mag Band Observatory
2011-10-04 01:52:22 C 04 57 22.40 +31 19 35.8 o 046
2011-10-04 02:10:38 C 04 57 30.53 +31 21 37.6 c A24
2011-10-04 02:11:22 C 04 57 30.84 +31 21 42.4 c A24
2011-10-04 02:12:06 C 04 57 31.15 +31 21 47.2 c A24
2011-10-05 01:08:24 C 05 08 22.88 +33 57 34.7 o 046
2011-10-05 01:09:22 C 05 08 23.42 +33 57 41.0 o 046
2011-10-05 01:10:18 C 05 08 23.86 +33 57 47.7 o 046
2011-10-05 01:11:11 C 05 08 24.27 +33 57 55.3 o 046
2011-10-05 01:12:05 C 05 08 24.70 +33 58 01.0 o 046
2011-10-06 09:39:07 C 05 26 53.30 +37 56 56.1 o H21
2011-10-06 09:43:30 C 05 26 56.04 +37 57 29.9 o H21
2011-10-06 09:47:35 C 05 26 58.61 +37 58 01.4 o H21
2011-10-06 09:51:41 C 05 27 01.17 +37 58 32.8 o H21
2011-10-06 09:59:51 C 05 27 06.27 +37 59 35.3 o H21
2011-10-06 10:02:02 C 05 27 07.63 +37 59 51.9 o H21
2011-10-07 08:38:19 C 05 42 48.93 +40 56 34.0 17.4 c 704
2011-10-07 08:57:11 C 05 43 02.94 +40 59 05.6 17.7 c 704
2011-10-07 08:57:42 C 05 43 02.34 +40 59 10.0 t H21
2011-10-07 09:03:06 C 05 43 06.29 +40 59 53.1 t H21
2011-10-07 09:08:29 C 05 43 10.32 +41 00 36.0 t H21
2011-10-07 09:15:13 C 05 43 15.32 +41 01 29.9 t H21
2011-10-07 09:15:59 C 05 43 16.97 +41 01 35.3 18.1 c 704
2011-10-07 09:20:20 C 05 43 19.10 +41 02 10.7 t H21
2011-10-07 09:28:53 C 05 43 25.45 +41 03 19.2 t H21
2011-10-07 09:34:58 C 05 43 31.02 +41 04 08.6 17.7 c 704
2011-10-07 09:53:47 C 05 43 45.11 +41 06 42.6 19.2 c 704
2011-10-08 08:57:14 C 06 02 48.16 +44 11 46.5 t H21
2011-10-08 09:01:33 C 06 02 52.00 +44 12 21.7 t H21
2011-10-08 09:04:15 C 06 02 54.39 +44 12 43.5 t H21
2011-10-08 09:07:58 C 06 02 57.69 +44 13 13.5 t H21
2011-10-08 09:11:40 C 06 03 00.97 +44 13 43.4 t H21
2011-10-08 09:15:06 C 06 03 04.02 +44 14 11.3 t H21
2011-10-09 08:55:25 C 06 26 24.30 +47 22 48.2 o H21
2011-10-09 09:00:19 C 06 26 29.49 +47 23 26.8 o H21
2011-10-09 09:05:12 C 06 26 34.68 +47 24 05.4 o H21
2011-10-09 09:10:06 C 06 26 39.88 +47 24 43.9 o H21
2011-10-09 09:15:00 C 06 26 45.09 +47 25 22.5 o H21
2011-10-11 08:42:09 C 07 27 12.84 +52 59 37.5 t H21
2011-10-11 08:45:59 C 07 27 18.46 +53 00 00.5 t H21
2011-10-11 08:50:06 C 07 27 24.49 +53 00 25.2 t H21
2011-10-11 08:54:13 C 07 27 30.51 +53 00 50.2 t H21
2011-10-11 08:58:19 C 07 27 36.51 +53 01 14.6 t H21
2011-10-11 09:02:26 C 07 27 42.51 +53 01 39.3 t H21
2011-10-18 04:19:03 C 11 38 42.38 +51 36 35.8 t 204
2011-10-18 04:26:20 C 11 38 50.04 +51 35 58.5 t 204
2011-10-18 04:32:05 C 11 38 56.10 +51 35 28.6 t 204
2016-08-10 13:33:25 C 01 20 09.099 -24 05 52.01 L F51
2016-08-10 13:50:45 C 01 20 08.910 -24 05 58.82 L F51
2016-08-10 14:08:07 C 01 20 08.691 -24 06 05.02 L F51
2016-08-10 14:25:26 C 01 20 08.487 -24 06 11.77 L F51