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
1998-09-19 05:13:12 C 21 48 12.04 +09 42 54.6 a 699
1998-09-19 05:34:37 C 21 48 13.17 +09 42 02.5 a 699
1998-09-19 05:56:04 C 21 48 14.26 +09 41 08.4 a 699
2001-08-16 11:02:22 C 00 49 56.62 +30 12 45.3 o 644
2001-08-16 11:33:37 C 00 50 00.28 +30 12 35.1 o 644
2001-09-17 08:37:14 C 02 21 43.91 +14 26 09.2 19.6 c 704
2001-09-17 08:57:14 C 02 21 45.84 +14 25 25.1 19.2 c 704
2001-09-17 09:17:10 C 02 21 47.77 +14 24 40.7 19.0 c 704
2001-09-18 08:22:09 C 02 24 10.01 +13 32 49.9 d 691
2001-09-18 08:27:56 C 02 24 10.62 +13 32 34.9 d 691
2001-09-18 08:34:40 C 02 24 11.25 +13 32 19.7 d 691
2001-09-18 18:10:29 C 02 25 08.31 +13 10 51.9 m 422
2001-09-18 18:13:00 C 02 25 08.48 +13 10 45.6 m 422
2001-09-18 21:21:57 C 02 25 29.15 +13 02 56.2 c 046
2001-09-18 21:24:07 C 02 25 29.32 +13 02 51.4 c 046
2001-09-18 21:25:32 C 02 25 29.50 +13 02 48.9 c 046
2001-09-18 21:31:03 C 02 25 30.15 +13 02 35.3 c 046
2001-09-18 21:34:24 C 02 25 30.39 +13 02 27.3 c 046
2001-09-18 21:36:06 C 02 25 30.61 +13 02 24.1 c 046
2001-09-18 21:38:33 C 02 25 30.57 +13 02 18.8 c 046
2001-09-19 03:03:47 C 02 26 01.91 +12 49 48.7 d 557
2001-09-19 03:14:42 C 02 26 02.94 +12 49 24.0 d 557
2001-09-19 03:27:35 C 02 26 04.17 +12 48 53.2 d 557
2001-09-19 09:21:08 C 02 26 40.04 +12 35 20.1 19.0 c 704
2001-09-19 09:27:54 C 02 26 40.65 +12 35 03.6 19.2 c 704
2001-09-19 09:33:30 C 02 26 41.04 +12 34 51.8 19.4 c 704
2001-09-19 09:41:40 C 02 26 41.95 +12 34 32.4 19.3 c 704
2001-09-19 09:54:30 C 02 26 43.06 +12 34 03.3 19.7 c 704
2001-09-19 10:02:11 C 02 26 43.83 +12 33 44.4 19.3 c 704
2001-09-19 10:08:56 C 02 26 44.42 +12 33 28.0 19.2 c 704
2001-09-19 10:15:29 C 02 26 45.02 +12 33 14.5 20.0 c 704
2001-09-19 10:22:46 C 02 26 45.75 +12 32 56.3 19.4 c 704
2001-09-19 10:29:33 C 02 26 46.36 +12 32 40.1 19.0 c 704
2001-09-19 10:37:43 C 02 26 47.05 +12 32 21.7 19.5 c 704
2001-09-19 10:43:20 C 02 26 47.65 +12 32 08.7 18.9 c 704
2001-09-19 10:50:06 C 02 26 48.25 +12 31 52.1 19.3 c 704
2001-09-19 23:47:45 C 02 28 06.03 +12 01 25.0 c 046
2001-09-19 23:49:41 C 02 28 06.24 +12 01 20.0 c 046
2001-09-19 23:51:38 C 02 28 06.41 +12 01 16.6 c 046
2001-09-19 23:53:45 C 02 28 06.52 +12 01 12.0 c 046
2001-09-19 23:56:55 C 02 28 06.87 +12 01 04.0 c 046
2001-09-20 07:38:49 C 02 28 52.23 +11 42 56.9 19.3 c 704
2001-09-20 07:59:16 C 02 28 54.12 +11 42 09.0 19.6 c 704
2001-09-20 08:25:19 C 02 28 56.44 +11 41 07.1 19.9 c 704
2001-09-20 09:06:11 C 02 29 00.19 +11 39 30.1 19.7 c 704
2001-09-20 11:17:45 C 02 29 12.24 +11 34 19.1 d 691
2001-09-20 11:32:53 C 02 29 13.52 +11 33 44.0 d 691
2001-09-21 09:56:30 C 02 31 23.05 +10 39 58.1 19.1 c 704
2001-09-21 10:17:00 C 02 31 24.90 +10 39 08.3 19.6 c 704
2001-09-21 10:37:32 C 02 31 26.70 +10 38 18.5 19.6 c 704