2001 SJ9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3788379722 ± 3.32e-07
Semi-major axis (a)2.0538343583 AU ± 1.01e-07
Inclination (i)20.25171044° ± 3.11e-05
Long. of Asc. Node (Ω)185.16851568° ± 2.16e-05
Arg. of Perihelion (ω)184.44085450° ± 1.51e-04
Mean Anomaly (M)75.91501557° ± 2.42e-04
Mean Motion (n)0.3348606793°/day ± 2.47e-08
Perihelion dist (q)1.27576391 AU ± 6.86e-07
Aphelion dist (Q)2.83190480 AU ± 6.97e-07
Orbital Period2.94339212 yr ± 2.17e-07
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.539″
Uncertainty0
Orbit TypeAmor
MOID0.272997 AU
Observations Used84
Oppositions4
Arc Total1998-2004
First Observation Used2001-08-16
Last Observation Used2004-11-09
Observations (91)
Date Type RA Dec Mag Band Observatory
2001-09-21 10:58:04 C 02 31 28.49 +10 37 28.8 19.8 c 704
2001-09-21 11:18:36 C 02 31 30.34 +10 36 38.8 19.6 c 704
2001-09-23 16:38:45 C 02 36 26.95 +08 25 07.1 402
2001-09-23 16:42:31 C 02 36 27.26 +08 24 57.2 402
2001-09-23 16:44:25 C 02 36 27.43 +08 24 52.9 402
2001-09-25 09:49:54 C 02 40 03.59 +06 40 47.7 18.7 c 704
2001-09-25 10:12:38 C 02 40 05.43 +06 39 49.4 18.8 c 704
2001-09-25 10:34:13 C 02 40 07.15 +06 38 53.5 19.1 c 704
2001-09-25 10:55:18 C 02 40 08.79 +06 38 00.1 19.0 c 704
2001-09-25 11:16:29 C 02 40 10.47 +06 37 06.1 18.8 c 704
2001-09-26 09:13:15 C 02 42 02.92 +05 40 40.7 c 644
2001-09-26 09:44:22 C 02 42 05.30 +05 39 20.5 c 644
2001-09-26 15:40:04 C 02 42 35.00 +05 24 30.4 m 413
2001-09-26 15:41:59 C 02 42 35.15 +05 24 24.6 m 413
2001-09-26 15:43:55 C 02 42 35.30 +05 24 20.2 m 413
2001-09-28 16:28:49 C 02 46 30.30 +03 16 54.7 d 360
2001-09-28 16:33:23 C 02 46 30.67 +03 16 42.7 d 360
2001-09-28 16:38:40 C 02 46 31.04 +03 16 28.2 d 360
2001-10-11 08:12:42 C 03 05 08.23 -09 39 37.3 18.3 c 704
2001-10-11 08:36:02 C 03 05 09.13 -09 40 32.9 19.0 c 704
2001-10-11 08:59:46 C 03 05 09.98 -09 41 28.8 18.8 c 704
2001-10-11 09:23:02 C 03 05 10.89 -09 42 23.7 18.4 c 704
2001-10-11 09:46:21 C 03 05 11.74 -09 43 19.0 18.7 c 704
2001-10-12 14:21:09 C 03 06 25.94 -10 49 45.5 c 474
2001-10-12 14:24:50 C 03 06 26.05 -10 49 54.0 c 474
2001-10-12 14:30:49 C 03 06 26.28 -10 50 07.8 c 474
2001-10-13 00:28:17 C 03 06 50.86 -11 13 41.0 c 118
2001-10-13 00:30:47 C 03 06 50.97 -11 13 46.8 c 118
2001-10-13 00:35:04 C 03 06 51.08 -11 13 56.6 c 118
2001-11-15 04:21:05 C 03 16 33.54 -27 57 11.9 d 829
2001-11-15 05:28:59 C 03 16 33.19 -27 57 30.1 d 829
2001-11-21 06:40:47 C 03 16 31.12 -28 19 05.2 c 696
2001-11-21 06:48:56 C 03 16 31.07 -28 19 05.0 c 696
2002-01-09 05:02:06 C 03 42 18.37 -17 19 36.0 d 291
2002-01-09 05:09:57 C 03 42 18.73 -17 19 29.3 d 291
2002-01-09 05:16:02 C 03 42 19.00 -17 19 24.1 d 291
2004-10-08 10:12:38 C 05 32 27.70 -02 34 27.3 o 696
2004-10-08 10:21:32 C 05 32 28.29 -02 34 41.7 o 696
2004-10-08 10:27:32 C 05 32 28.59 -02 34 49.0 o 696
2004-11-09 10:44:03 C 05 52 00.99 -19 01 26.5 o 696
2004-11-09 10:52:09 C 05 52 00.92 -19 01 33.0 o 696