9400 (1994 TW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5807034709 ± 3.55e-09
Semi-major axis (a)2.5881020625 AU ± 1.90e-09
Inclination (i)35.98468731° ± 1.16e-06
Long. of Asc. Node (Ω)3.34616125° ± 1.27e-06
Arg. of Perihelion (ω)62.17387561° ± 8.67e-07
Mean Anomaly (M)145.88459058° ± 1.05e-06
Mean Motion (n)0.2367228484°/day ± 2.60e-10
Perihelion dist (q)1.08518221 AU ± 9.22e-09
Aphelion dist (Q)4.09102191 AU ± 9.66e-09
Orbital Period4.16362970 yr ± 4.58e-09
Physical Parameters
H (abs. magnitude)14.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.051″
Uncertainty0
Orbit TypeAmor
MOID0.283728 AU
Observations Used1787
Gaia Obs Used61
Oppositions19
Arc Total1991-2025
First Observation Used1991-03-18
Last Observation Used2025-03-29
Observations (2003)
Date Type RA Dec Mag Band Observatory
2016-04-09 08:16:56 C 10 10 25.13 +28 10 48.8 L T05
2016-04-09 08:49:35 C 10 10 24.54 +28 10 10.2 L T05
2016-04-09 09:09:40 C 10 10 24.33 +28 09 45.5 L T05
2016-04-09 09:37:06 C 10 10 23.74 +28 09 12.5 L T05
2016-04-10 14:07:04 C 10 10 02.42 +27 35 43.4 q D29
2016-04-10 14:33:44 C 10 10 02.06 +27 35 12.2 q D29
2016-04-10 15:00:25 C 10 10 01.72 +27 34 41.0 q D29
2016-04-10 22:05:16 C 10 09 57.07 +27 26 26.2 q 160
2016-04-10 22:07:35 C 10 09 57.06 +27 26 23.6 q 160
2016-04-10 22:09:54 C 10 09 57.03 +27 26 20.7 q 160
2016-04-11 08:18:24 C 10 09 50.86 +27 14 40.3 L T05
2016-04-11 08:44:29 C 10 09 50.54 +27 14 10.6 L T05
2016-04-11 09:10:12 C 10 09 50.28 +27 13 40.0 L T05
2016-04-11 09:25:50 C 10 09 50.01 +27 13 22.5 L T05
2016-04-12 21:01:05 C 10 09 32.39 +26 32 46.6 q 160
2016-04-12 21:03:24 C 10 09 32.41 +26 32 43.2 q 160
2016-04-12 21:05:43 C 10 09 32.40 +26 32 40.2 q 160
2016-04-18 21:05:11 C 10 09 17.11 +23 57 05.1 q 160
2016-04-18 21:08:11 C 10 09 17.15 +23 57 01.7 q 160
2016-04-18 21:11:13 C 10 09 17.16 +23 56 58.6 q 160
2016-04-19 21:00:19 C 10 09 22.54 +23 32 29.8 q 160
2016-04-19 21:03:19 C 10 09 22.55 +23 32 26.7 q 160
2016-04-19 21:06:17 C 10 09 22.56 +23 32 23.3 q 160
2016-04-21 08:29:35 C 10 09 34.229 +22 56 41.20 L F51
2016-04-21 08:47:04 C 10 09 34.317 +22 56 23.65 L F51
2016-04-21 09:04:54 C 10 09 34.405 +22 56 05.78 L F51
2016-04-21 09:22:25 C 10 09 34.494 +22 55 48.12 L F51
2016-04-22 02:39:27 C 10 09 42.16 +22 38 36.5 t 705
2016-04-22 02:40:54 C 10 09 42.19 +22 38 35.2 t 705
2016-04-22 02:42:21 C 10 09 42.19 +22 38 33.7 t 705
2016-04-23 03:20:54 C 10 09 54.23 +22 14 21.3 q H45
2016-04-23 03:22:19 C 10 09 54.25 +22 14 19.7 q H45
2016-04-23 03:23:30 C 10 09 54.25 +22 14 18.6 q H45
2016-04-23 03:25:10 C 10 09 54.26 +22 14 17.0 q H45
2016-04-23 03:27:16 C 10 09 54.28 +22 14 15.3 q H45
2016-04-23 03:28:51 C 10 09 54.30 +22 14 13.1 q H45
2016-04-25 03:56:14 C 10 10 23.76 +21 27 38.0 q H45
2016-04-25 03:57:38 C 10 10 23.77 +21 27 36.2 q H45
2016-04-25 04:00:21 C 10 10 23.79 +21 27 33.6 q H45
2016-04-25 04:02:26 C 10 10 23.80 +21 27 31.5 q H45
2016-04-25 04:04:09 C 10 10 23.82 +21 27 29.9 q H45
2016-04-25 04:06:03 C 10 10 23.83 +21 27 28.2 q H45
2016-04-25 21:25:30 C 10 10 36.08 +21 11 06.8 q 160
2016-04-25 21:28:27 C 10 10 36.12 +21 11 03.7 q 160
2016-04-25 21:31:14 C 10 10 36.15 +21 11 01.4 q 160
2016-04-27 04:35:36 C 10 11 00.37 +20 42 06.7 q 703
2016-04-27 04:46:26 C 10 11 00.50 +20 41 56.8 q 703
2016-04-27 04:57:17 C 10 11 00.60 +20 41 46.2 q 703
2016-04-27 05:08:09 C 10 11 00.77 +20 41 36.9 q 703
2016-04-28 08:02:16 C 10 11 23.99 +20 17 00.4 L T05