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
2025-09-30 00:48:41 C 23 46 04.990 +01 14 27.02 V R17
2025-09-30 01:08:15 C 23 46 03.005 +01 13 58.66 V R17
2025-10-01 08:12:13 C 23 42 59.267 +00 27 55.08 X F51
2025-10-01 08:30:12 C 23 42 57.386 +00 27 28.02 X F51
2025-10-01 09:06:22 C 23 42 53.586 +00 26 33.01 X F51
2025-10-01 22:27:52 C 23 41 32.162 +00 05 59.89 X B67
2025-10-01 22:34:03 C 23 41 31.517 +00 05 50.50 X B67
2025-10-01 22:40:16 C 23 41 30.888 +00 05 41.10 X B67
2025-10-02 04:50:24 C 23 40 53.296 -00 03 50.72 V G96
2025-10-02 04:58:36 C 23 40 52.417 -00 04 03.22 V G96
2025-10-02 05:06:47 C 23 40 51.546 -00 04 16.18 V G96
2025-10-02 05:14:57 C 23 40 50.678 -00 04 28.78 V G96
2025-10-02 05:33:50 C 23 40 48.684 -00 04 58.15 V V00
2025-10-02 05:41:53 C 23 40 47.824 -00 05 10.82 V V00
2025-10-02 05:49:56 C 23 40 46.960 -00 05 23.28 V V00
2025-10-02 05:57:59 C 23 40 46.099 -00 05 35.88 V V00
2025-10-11 07:34:38 C 23 15 51.183 -06 32 06.90 X F51
2025-10-11 07:49:13 C 23 15 49.296 -06 32 35.76 X F51
2025-10-11 08:03:48 C 23 15 47.394 -06 33 04.62 X F51
2025-10-12 13:04:36 C 23 12 07.346 -07 30 58.07 V P07
2025-10-12 13:04:46 C 23 12 07.344 -07 30 58.43 V P07
2025-10-12 14:17:50 C 23 11 57.631 -07 33 26.68 V P07
2025-10-12 15:41:18 C 23 11 46.505 -07 36 16.09 V P07
2025-10-12 15:42:15 C 23 11 46.394 -07 36 17.57 V P07
2025-10-12 16:03:36 C 23 11 43.586 -07 37 01.09 V P07
2025-10-12 16:42:02 C 23 11 38.482 -07 38 19.28 V P07
2025-10-13 14:43:39 C 23 08 48.456 -08 23 26.45 V P07
2025-10-13 14:45:53 C 23 08 48.197 -08 23 31.88 V P07
2025-10-13 15:12:37 C 23 08 44.578 -08 24 26.82 V P07
2025-10-13 15:21:39 C 23 08 43.358 -08 24 45.32 V P07
2025-10-13 15:22:52 C 23 08 43.193 -08 24 47.63 V P07
2025-10-13 15:55:56 C 23 08 38.700 -08 25 55.02 V P07
2025-10-13 16:10:06 C 23 08 36.850 -08 26 24.61 V P07
2025-10-14 14:29:13 C 23 05 41.942 -09 12 54.76 V P07
2025-10-14 14:54:36 C 23 05 38.470 -09 13 47.82 V P07
2025-10-14 15:04:13 C 23 05 37.140 -09 14 08.12 V P07
2025-10-14 15:14:13 C 23 05 35.813 -09 14 29.54 V P07
2025-10-14 15:15:25 C 23 05 35.611 -09 14 31.49 V P07
2025-10-14 15:36:42 C 23 05 32.695 -09 15 16.60 V P07
2025-10-15 06:57:52 C 23 03 31.483 -09 47 54.02 X F52
2025-10-15 07:13:45 C 23 03 29.290 -09 48 27.71 X F52
2025-10-15 07:29:37 C 23 03 27.096 -09 49 01.41 X F52
2025-10-15 07:45:25 C 23 03 24.901 -09 49 35.01 X F52
2025-10-16 20:16:16 C 22 58 30.182 -11 07 37.34 V M22
2025-10-16 20:21:13 C 22 58 29.527 -11 07 46.56 V M22
2025-10-16 20:30:20 C 22 58 28.200 -11 08 05.53 V M22
2025-10-16 20:55:28 C 22 58 24.691 -11 09 00.54 V M22
2025-10-19 03:47:30 C 22 50 52.577 -13 09 46.26 V 703
2025-10-19 03:50:46 C 22 50 52.033 -13 09 53.10 V 703
2025-10-19 03:57:18 C 22 50 51.036 -13 10 06.89 V 703