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
2015-09-13 10:21:04 C 02 35 44.08 +20 45 24.4 R G45
2015-09-13 10:26:55 C 02 35 44.19 +20 45 45.8 R G45
2015-09-13 10:30:55 C 02 35 44.26 +20 46 00.3 R G45
2015-09-13 18:20:05 C 02 35 54.72 +21 14 34.3 o 300
2015-09-13 18:23:23 C 02 35 54.77 +21 14 46.6 o 300
2015-09-13 18:26:42 C 02 35 54.81 +21 14 58.7 o 300
2015-09-13 18:30:00 C 02 35 54.86 +21 15 10.7 o 300
2015-09-13 18:33:19 C 02 35 54.91 +21 15 22.7 o 300
2015-09-13 18:36:38 C 02 35 54.95 +21 15 35.7 o 300
2015-09-13 21:29:15 C 02 35 59.73 +21 26 06.5 t 073
2015-09-13 22:08:28 C 02 36 00.44 +21 28 31.7 t 073
2015-09-13 22:32:59 C 02 36 00.97 +21 30 05.6 15.0 q K90
2015-09-13 22:38:40 C 02 36 01.02 +21 30 24.2 t 073
2015-09-13 23:09:21 C 02 36 01.57 +21 32 18.4 t 073
2015-09-13 23:40:12 C 02 36 02.11 +21 34 12.6 t 073
2015-09-14 00:00:17 C 02 36 02.48 +21 35 27.5 t 073
2015-09-14 00:21:59 C 02 36 02.93 +21 36 47.1 15.0 q K90
2015-09-14 02:52:52 C 02 36 05.52 +21 46 10.3 15.1 q K90
2015-09-14 10:45:59 C 02 36 15.72 +22 15 48.1 q 703
2015-09-14 10:50:24 C 02 36 15.82 +22 16 04.7 q 703
2015-09-14 10:54:47 C 02 36 15.89 +22 16 20.9 q 703
2015-09-14 10:59:13 C 02 36 15.94 +22 16 37.8 q 703
2015-09-14 20:50:39 C 02 36 29.23 +22 54 00.5 t 073
2015-09-14 21:20:19 C 02 36 29.75 +22 55 54.1 t 073
2015-09-14 21:50:41 C 02 36 30.31 +22 57 51.2 t 073
2015-09-14 22:20:15 C 02 36 30.81 +22 59 45.6 t 073
2015-09-14 22:51:05 C 02 36 31.34 +23 01 44.5 t 073
2015-09-14 23:20:47 C 02 36 31.83 +23 03 39.4 t 073
2015-09-15 09:52:05 C 02 36 43.51 +23 44 29.2 q H21
2015-09-15 09:53:31 C 02 36 43.53 +23 44 34.8 q H21
2015-09-15 09:54:45 C 02 36 43.54 +23 44 39.7 q H21
2015-09-15 09:56:13 C 02 36 43.57 +23 44 45.3 q H21
2015-09-15 09:57:27 C 02 36 43.59 +23 44 50.1 q H21
2015-09-15 09:58:41 C 02 36 43.61 +23 44 55.0 q H21
2015-09-15 10:00:08 C 02 36 43.63 +23 45 00.7 q H21
2015-09-16 20:13:41 C 02 37 22.43 +26 02 12.9 t 073
2015-09-16 20:43:20 C 02 37 23.03 +26 04 15.7 t 073
2015-09-16 21:14:15 C 02 37 23.46 +26 06 24.0 t 073
2015-09-16 21:44:26 C 02 37 23.92 +26 08 28.9 t 073
2015-09-16 22:14:19 C 02 37 24.32 +26 10 32.5 t 073
2015-09-16 22:44:00 C 02 37 24.73 +26 12 36.2 t 073
2015-09-16 23:13:44 C 02 37 25.11 +26 14 39.1 t 073
2015-09-16 23:35:08 C 02 37 25.38 +26 16 08.1 t 073
2015-09-17 20:22:10 C 02 37 46.09 +27 43 16.8 t 073
2015-09-17 20:47:37 C 02 37 46.50 +27 45 05.2 14.8 q K90
2015-09-17 20:49:28 C 02 37 46.49 +27 45 13.7 t 073
2015-09-17 21:20:19 C 02 37 46.85 +27 47 26.4 t 073
2015-09-17 21:49:58 C 02 37 47.26 +27 49 33.4 t 073
2015-09-17 21:53:45 C 02 37 47.36 +27 49 48.6 14.9 q K90
2015-09-17 22:19:38 C 02 37 47.61 +27 51 40.4 t 073