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
2003-05-03 23:37:34 C 18 19 32.96 +08 09 56.1 c 540
2003-05-05 01:23:31 C 18 20 17.79 +08 58 18.9 c 540
2003-05-05 01:55:05 C 18 20 18.55 +08 59 18.6 c 540
2003-09-17 19:20:49 C 18 40 34.02 +38 41 57.5 r 621
2003-09-17 19:23:26 C 18 40 34.32 +38 41 54.8 r 621
2003-09-17 19:26:03 C 18 40 34.60 +38 41 51.7 r 621
2003-09-17 19:44:14 C 18 40 36.63 +38 41 30.3 r 621
2003-09-17 19:46:51 C 18 40 36.92 +38 41 27.5 r 621
2003-09-17 19:57:15 C 18 40 38.06 +38 41 15.0 r 621
2003-09-18 19:13:17 C 18 43 21.79 +38 14 11.5 r 621
2003-09-18 19:23:42 C 18 43 22.94 +38 13 59.8 r 621
2003-09-18 19:31:30 C 18 43 23.85 +38 13 50.4 r 621
2003-09-18 19:36:42 C 18 43 24.43 +38 13 43.9 r 621
2003-09-27 03:29:48 C 19 08 45.22 +33 56 57.1 r 649
2003-09-27 03:34:55 C 19 08 45.84 +33 56 49.6 r 649
2005-05-01 08:47:49 C 16 17 40.21 -01 37 29.2 r 448
2005-05-01 09:04:01 C 16 17 39.63 -01 37 01.6 r 448
2005-05-01 09:45:47 C 16 17 38.13 -01 35 48.9 r 448
2005-05-19 04:46:38 C 15 58 36.22 +11 02 42.6 r 703
2005-05-19 04:58:58 C 15 58 35.50 +11 03 04.7 r 703
2005-05-19 05:11:17 C 15 58 34.86 +11 03 24.8 r 703
2005-05-19 05:23:34 C 15 58 34.17 +11 03 45.2 r 703
2005-06-08 08:03:15 C 15 33 00.95 +22 08 43.5 o 699
2005-06-08 08:33:15 C 15 32 59.57 +22 09 14.6 o 699
2005-06-08 09:03:13 C 15 32 58.14 +22 09 42.1 o 699
2005-06-08 09:33:12 C 15 32 56.75 +22 10 11.5 o 699
2007-04-15 07:05:13 C 14 37 10.16 -18 20 11.3 20.0 o 691
2007-04-15 07:27:08 C 14 37 09.13 -18 19 44.0 o 691
2007-04-15 07:49:03 C 14 37 08.10 -18 19 16.1 19.9 o 691
2007-04-19 07:26:15 C 14 32 39.68 -16 14 00.3 o 691
2007-04-19 07:53:05 C 14 32 38.27 -16 13 24.2 o 691
2007-04-19 08:19:35 C 14 32 36.85 -16 12 48.2 o 691
2007-04-22 06:42:52 C 14 29 04.61 -14 34 47.8 o 691
2007-04-22 07:10:26 C 14 29 03.16 -14 34 10.3 o 691
2007-04-22 07:38:42 C 14 29 01.60 -14 33 29.9 o 691
2007-04-25 05:18:27 C 14 25 22.77 -12 52 33.1 o 691
2007-04-25 05:43:50 C 14 25 21.33 -12 51 56.4 o 691
2007-04-25 06:09:12 C 14 25 19.92 -12 51 19.3 o 691
2007-04-28 05:14:21 C 14 21 30.69 -11 05 15.7 o 691
2007-04-28 05:39:42 C 14 21 29.25 -11 04 37.6 o 691
2007-04-28 06:01:30 C 14 21 28.02 -11 04 04.6 o 691
2007-05-19 02:46:09 C 13 56 45.29 +01 10 53.2 o H55
2007-05-19 02:54:40 C 13 56 44.92 +01 11 04.1 o H55
2007-05-19 03:02:03 C 13 56 44.64 +01 11 13.8 o H55
2011-05-09 03:17:57 C 11 22 48.21 -10 27 25.9 r G96
2011-05-09 03:26:52 C 11 22 48.25 -10 27 16.9 r G96
2011-05-09 03:35:47 C 11 22 48.32 -10 27 08.1 r G96
2011-05-09 03:44:49 C 11 22 48.36 -10 26 58.9 r G96
2015-03-15 01:21:31 C 09 30 12.50 -30 01 57.1 u 807
2015-03-15 01:34:44 C 09 30 12.00 -30 01 44.8 u 807