878008 (2011 SJ16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7994800945 ± 5.86e-08
Semi-major axis (a)2.7970952556 AU ± 7.06e-09
Inclination (i)17.67197039° ± 1.25e-05
Long. of Asc. Node (Ω)186.21722103° ± 7.42e-06
Arg. of Perihelion (ω)293.78385311° ± 1.79e-05
Mean Anomaly (M)352.35480774° ± 3.62e-06
Mean Motion (n)0.2106936231°/day ± 7.97e-10
Perihelion dist (q)0.56087328 AU ± 1.64e-07
Aphelion dist (Q)5.03331723 AU ± 1.65e-07
Orbital Period4.67800719 yr ± 1.77e-08
Physical Parameters
H (abs. magnitude)19.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.111422 AU
Observations Used236
Oppositions11
Arc Total2011-2025
First Observation Used2011-09-20
Last Observation Used2025-10-22
Observations (254)
Date Type RA Dec Mag Band Observatory
2011-09-20 10:54:48 C 02 02 09.78 +10 36 20.3 r 703
2011-09-20 11:06:07 C 02 02 10.28 +10 36 08.6 r 703
2011-09-20 11:17:19 C 02 02 10.82 +10 35 58.2 r 703
2011-09-20 12:06:18 C 02 02 13.32 +10 35 11.2 r G96
2011-09-20 12:07:07 C 02 02 13.35 +10 35 10.5 r G96
2011-09-20 12:07:56 C 02 02 13.40 +10 35 09.7 r G96
2011-09-20 12:08:46 C 02 02 13.44 +10 35 08.9 r G96
2011-09-20 21:05:23 C 02 02 43.84 +10 26 30.8 u B18
2011-09-20 21:09:23 C 02 02 44.05 +10 26 26.7 u B18
2011-09-20 21:13:25 C 02 02 44.26 +10 26 22.9 u B18
2011-09-21 02:10:41 C 02 02 59.97 +10 21 29.1 o 033
2011-09-21 02:18:17 C 02 03 00.30 +10 21 21.7 o 033
2011-09-21 05:36:28 C 02 03 11.58 +10 18 27.9 u I20
2011-09-21 06:09:37 C 02 03 13.32 +10 17 54.8 u I20
2011-09-21 06:30:29 C 02 03 14.82 +10 17 12.0 r H21
2011-09-21 06:33:49 C 02 03 14.99 +10 17 08.9 r H21
2011-09-21 06:37:08 C 02 03 15.17 +10 17 05.7 r H21
2011-09-21 15:03:45 C 02 03 42.29 +10 08 34.4 o F65
2011-09-21 15:08:06 C 02 03 42.55 +10 08 30.2 o F65
2011-09-21 15:11:51 C 02 03 42.72 +10 08 26.2 o F65
2011-09-21 19:06:01 C 02 03 55.98 +10 04 38.4 u D90
2011-09-21 19:16:01 C 02 03 56.52 +10 04 28.4 u D90
2011-09-21 19:25:58 C 02 03 57.05 +10 04 17.0 u D90
2011-09-21 23:18:10 C 02 04 11.21 +09 59 47.8 u 113
2011-09-21 23:29:06 C 02 04 11.76 +09 59 36.6 u 113
2011-09-21 23:40:03 C 02 04 12.34 +09 59 25.0 u 113
2011-09-22 09:46:40 C 02 04 46.38 +09 48 33.9 19.0 c 704
2011-09-22 10:05:20 C 02 04 47.28 +09 48 13.6 19.1 c 704
2011-09-22 10:23:57 C 02 04 48.36 +09 47 52.6 19.0 c 704
2011-09-22 10:43:13 C 02 04 49.43 +09 47 31.5 18.7 c 704
2011-09-24 06:48:34 C 02 07 25.71 +08 55 32.0 o 807
2011-09-24 06:53:48 C 02 07 26.01 +08 55 25.3 o 807
2011-09-24 06:59:01 C 02 07 26.30 +08 55 18.5 o 807
2011-09-24 07:04:11 C 02 07 26.59 +08 55 11.9 o 807
2011-09-25 08:20:21 C 02 09 00.98 +08 21 09.3 18.4 c 704
2011-09-25 08:38:26 C 02 09 02.03 +08 20 43.2 18.3 c 704
2011-09-25 09:14:34 C 02 09 04.13 +08 19 53.2 19.4 c 704
2011-09-25 09:32:42 C 02 09 05.20 +08 19 29.1 19.0 c 704
2011-09-25 22:13:43 C 02 09 54.74 +08 01 15.8 r A17
2011-09-25 22:24:56 C 02 09 55.43 +08 00 59.6 r A17
2011-09-25 22:36:11 C 02 09 56.11 +08 00 43.3 r A17
2011-09-26 00:38:02 C 02 10 03.45 +07 57 44.9 o 046
2011-09-26 00:44:55 C 02 10 03.93 +07 57 34.7 o 046
2011-09-26 00:46:59 C 02 10 04.03 +07 57 31.8 o 046
2011-09-26 00:57:45 C 02 10 04.67 +07 57 16.1 o 046
2011-09-26 07:09:08 C 02 10 29.56 +07 48 08.1 18.7 c 704
2011-09-26 07:27:16 C 02 10 30.67 +07 47 40.8 18.5 c 704
2011-09-26 07:45:24 C 02 10 31.78 +07 47 14.0 18.5 c 704
2011-09-26 07:57:36 C 02 10 31.72 +07 47 18.0 o 807
2011-09-26 08:02:08 C 02 10 32.02 +07 47 11.2 o 807