159555 (2001 SJ276)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2300215744 ± 5.63e-08
Semi-major axis (a)1.6302466230 AU ± 3.36e-09
Inclination (i)29.43943372° ± 8.85e-06
Long. of Asc. Node (Ω)214.92913500° ± 6.94e-06
Arg. of Perihelion (ω)123.48319292° ± 2.82e-05
Mean Anomaly (M)234.55316442° ± 3.08e-05
Mean Motion (n)0.4735134421°/day ± 1.47e-09
Perihelion dist (q)1.25525473 AU ± 9.19e-08
Aphelion dist (Q)2.00523852 AU ± 9.19e-08
Orbital Period2.08151701 yr ± 6.44e-09
Physical Parameters
H (abs. magnitude)18.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.382″
Uncertainty0
Orbit TypeAmor
MOID0.348903 AU
Observations Used201
Oppositions12
Arc Total2001-2025
First Observation Used2001-09-27
Last Observation Used2025-01-19
Observations (212)
Date Type RA Dec Mag Band Observatory
2024-12-27 08:46:54 C 04 11 53.179 -23 16 04.07 X F51
2024-12-27 09:04:51 C 04 11 52.725 -23 16 01.80 X F51
2025-01-02 07:14:45 C 04 09 29.252 -22 49 09.03 X F51
2025-01-02 07:15:42 C 04 09 29.239 -22 49 08.66 X F51
2025-01-02 07:33:47 C 04 09 28.985 -22 49 04.25 X F51
2025-01-02 07:34:44 C 04 09 28.971 -22 49 03.82 X F51
2025-01-02 07:52:44 C 04 09 28.718 -22 48 59.44 X F51
2025-01-02 07:53:40 C 04 09 28.714 -22 48 59.17 X F51
2025-01-02 08:12:39 C 04 09 28.446 -22 48 54.44 X F51
2025-01-19 06:45:57 C 04 10 54.388 -20 18 31.58 X F52
2025-01-19 07:00:41 C 04 10 54.594 -20 18 24.85 X F52
2025-01-19 07:15:23 C 04 10 54.816 -20 18 17.96 X F52