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
2011-10-03 00:22:00 C 02 23 06.87 +02 19 45.8 o 046
2011-10-03 00:25:09 C 02 23 07.18 +02 19 36.2 o 046
2011-10-03 00:26:39 C 02 23 07.32 +02 19 32.6 o 046
2011-10-03 01:04:12 C 02 23 10.78 +02 17 51.0 c A24
2011-10-03 22:19:00 C 02 25 17.40 +01 17 32.7 c A24
2011-10-03 23:17:55 C 02 25 23.12 +01 14 38.1 c A24
2011-10-03 23:46:41 C 02 25 25.98 +01 13 12.5 c A24
2011-10-03 23:47:47 C 02 25 26.12 +01 13 08.1 c A24
2011-10-03 23:49:13 C 02 25 26.08 +01 13 03.1 o 046
2011-10-03 23:50:36 C 02 25 26.21 +01 12 58.7 o 046
2011-10-03 23:51:50 C 02 25 26.37 +01 12 54.9 o 046
2011-10-03 23:53:02 C 02 25 26.47 +01 12 51.3 o 046
2011-10-03 23:54:13 C 02 25 26.58 +01 12 48.0 o 046
2011-10-04 23:38:56 C 02 27 58.37 -00 01 30.7 o 046
2011-10-04 23:40:18 C 02 27 58.53 -00 01 34.3 o 046
2011-10-04 23:41:40 C 02 27 58.65 -00 01 38.7 o 046
2011-10-04 23:43:03 C 02 27 58.84 -00 01 43.9 o 046
2011-10-05 01:19:09 C 02 28 08.75 -00 07 00.9 o 246
2011-10-05 01:21:24 C 02 28 09.00 -00 07 07.0 o 246
2011-10-05 01:22:28 C 02 28 09.12 -00 07 12.2 o 246
2011-10-05 01:29:28 C 02 28 09.84 -00 07 33.5 o 246
2011-10-08 07:27:53 C 02 38 13.81 -05 13 34.2 o H21
2011-10-08 07:33:16 C 02 38 14.58 -05 13 59.1 o H21
2011-10-08 07:38:37 C 02 38 15.33 -05 14 24.0 o H21
2011-10-08 07:43:58 C 02 38 16.09 -05 14 48.8 o H21
2011-10-08 07:48:59 C 02 38 16.80 -05 15 11.9 o H21
2011-10-11 07:04:56 C 02 50 56.67 -11 46 17.2 t H21
2011-10-11 07:11:14 C 02 50 57.95 -11 46 57.6 t H21
2011-10-11 07:17:32 C 02 50 59.19 -11 47 38.6 t H21
2011-10-11 07:23:50 C 02 51 00.46 -11 48 19.2 t H21
2011-10-13 08:24:22 C 03 02 52.69 -17 44 10.2 u 448
2011-10-13 08:28:50 C 03 02 53.87 -17 44 46.5 u 448
2011-10-13 08:33:51 C 03 02 55.21 -17 45 27.4 u 448
2011-10-13 08:38:32 C 03 02 56.45 -17 46 05.5 u 448
2011-10-13 08:42:45 C 03 02 57.57 -17 46 39.8 u 448
2011-10-14 02:08:19 C 03 08 07.80 -20 13 17.5 u I39
2011-10-14 02:16:49 C 03 08 10.39 -20 14 32.3 u I39
2011-10-14 02:22:24 C 03 08 12.03 -20 15 21.6 u I39
2011-10-14 05:49:46 C 03 09 16.25 -20 47 08.8 o H21
2011-10-14 05:53:16 C 03 09 17.32 -20 47 40.5 o H21
2011-10-14 06:08:52 C 03 09 22.11 -20 50 00.3 o H21
2011-10-14 06:12:54 C 03 09 23.37 -20 50 36.9 o H21
2011-10-14 06:16:39 C 03 09 24.51 -20 51 10.6 o H21
2011-10-14 06:20:41 C 03 09 25.73 -20 51 47.2 o H21
2011-10-14 06:23:55 C 03 09 26.75 -20 52 15.7 o H21
2011-10-15 06:54:38 C 03 17 57.23 -24 44 45.0 o H21
2011-10-15 06:58:41 C 03 17 58.70 -24 45 25.4 o H21
2011-10-15 07:02:45 C 03 18 00.17 -24 46 05.8 o H21
2011-10-15 07:06:49 C 03 18 01.63 -24 46 46.7 o H21
2011-10-15 07:17:41 C 03 18 05.61 -24 48 35.2 o H21