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
2011-09-26 08:04:15 C 02 10 32.91 +07 46 45.2 18.8 c 704
2011-09-26 08:06:40 C 02 10 32.28 +07 47 04.2 o 807
2011-09-26 08:12:13 C 02 10 32.61 +07 46 55.8 o 807
2011-09-26 08:22:27 C 02 10 34.02 +07 46 18.0 18.6 c 704
2011-09-26 21:47:10 C 02 11 28.31 +07 25 28.3 u A13
2011-09-26 22:21:59 C 02 11 30.65 +07 24 32.5 u A13
2011-09-26 22:52:46 C 02 11 32.63 +07 23 43.4 u A13
2011-09-27 02:14:34 C 02 11 45.16 +07 18 22.8 o 046
2011-09-27 02:17:17 C 02 11 45.39 +07 18 18.2 o 046
2011-09-27 02:28:12 C 02 11 46.01 +07 18 01.3 o 046
2011-09-28 07:37:05 C 02 13 49.44 +06 28 44.4 o 691
2011-09-28 07:51:58 C 02 13 49.49 +06 28 42.2 o 807
2011-09-28 07:57:19 C 02 13 49.84 +06 28 32.6 o 807
2011-09-28 08:02:34 C 02 13 51.13 +06 27 59.3 o 691
2011-09-28 08:02:38 C 02 13 50.19 +06 28 23.0 o 807
2011-09-28 08:08:00 C 02 13 50.55 +06 28 13.5 o 807
2011-09-28 08:28:04 C 02 13 52.83 +06 27 13.6 o 691
2011-09-28 23:48:26 C 02 15 00.47 +05 58 56.6 r A17
2011-09-28 23:59:40 C 02 15 01.26 +05 58 35.3 r A17
2011-09-29 00:10:55 C 02 15 02.06 +05 58 14.0 r A17
2011-09-30 07:31:41 C 02 17 27.78 +04 55 34.1 r 703
2011-09-30 07:41:32 C 02 17 28.53 +04 55 13.0 r 703
2011-09-30 07:51:30 C 02 17 29.29 +04 54 51.8 r 703
2011-09-30 08:01:22 C 02 17 29.97 +04 54 30.9 r 703
2011-09-30 21:52:23 C 02 18 38.32 +04 24 13.4 r A17
2011-09-30 22:03:37 C 02 18 39.20 +04 23 48.1 r A17
2011-09-30 22:14:51 C 02 18 40.11 +04 23 23.1 r A17
2011-09-30 23:08:23 C 02 18 44.34 +04 21 25.7 u 157
2011-09-30 23:12:34 C 02 18 44.66 +04 21 16.3 u 157
2011-09-30 23:16:46 C 02 18 44.98 +04 21 06.6 u 157
2011-09-30 23:53:17 C 02 18 47.73 +04 19 42.4 u C47
2011-09-30 23:57:02 C 02 18 48.02 +04 19 34.1 u C47
2011-10-01 01:09:27 C 02 18 53.87 +04 16 51.4 t 204
2011-10-01 01:14:43 C 02 18 54.14 +04 16 38.0 u C47
2011-10-01 01:14:58 C 02 18 54.29 +04 16 39.0 t 204
2011-10-01 01:20:31 C 02 18 54.73 +04 16 26.4 t 204
2011-10-01 01:57:52 C 02 18 57.59 +04 15 00.2 o 046
2011-10-01 01:59:39 C 02 18 57.72 +04 14 57.2 o 046
2011-10-01 02:01:14 C 02 18 57.84 +04 14 54.2 o 046
2011-10-01 02:02:50 C 02 18 57.97 +04 14 49.1 o 046
2011-10-01 02:04:28 C 02 18 58.08 +04 14 46.3 o 046
2011-10-01 02:06:04 C 02 18 58.20 +04 14 42.3 o 046
2011-10-02 00:17:20 C 02 20 53.85 +03 22 07.1 o 046
2011-10-02 00:18:56 C 02 20 53.99 +03 22 03.3 o 046
2011-10-02 00:21:56 C 02 20 54.21 +03 21 56.1 o 046
2011-10-02 00:23:26 C 02 20 54.34 +03 21 52.3 o 046
2011-10-02 23:42:46 C 02 23 03.56 +02 21 33.2 c A24
2011-10-02 23:43:50 C 02 23 03.59 +02 21 30.4 c A24
2011-10-03 00:17:24 C 02 23 06.45 +02 19 57.2 o 046
2011-10-03 00:19:06 C 02 23 06.68 +02 19 53.1 o 046