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
2020-01-07 00:14:06 C 22 24 48.87 +21 55 40.7 V W34
2020-01-07 00:23:19 C 22 24 49.61 +21 55 56.2 V W34
2020-01-07 00:29:21 C 22 24 50.07 +21 56 06.1 V W34
2020-01-07 19:08:42 C 22 26 20.50 +22 27 29.2 V A16
2020-01-07 19:19:14 C 22 26 21.37 +22 27 47.4 V A16
2020-01-07 19:50:51 C 22 26 23.91 +22 28 40.5 V A16
2020-01-07 20:11:57 C 22 26 25.60 +22 29 15.8 V A16
2020-01-07 20:33:02 C 22 26 27.29 +22 29 50.1 V A16
2020-01-08 17:46:47 C 22 28 11.74 +23 05 39.4 V 160
2020-01-08 17:49:52 C 22 28 11.99 +23 05 44.4 V 160
2020-01-08 17:52:57 C 22 28 12.21 +23 05 49.5 V 160
2020-01-09 05:10:31 C 22 29 08.24 +23 24 56.6 V T08
2020-01-09 05:16:01 C 22 29 08.69 +23 25 05.8 V T08
2020-01-09 05:25:26 C 22 29 09.46 +23 25 21.8 V T08
2020-01-09 05:34:52 C 22 29 10.24 +23 25 37.5 V T08
2020-01-09 05:38:52 C 22 29 10.57 +23 25 44.1 V T08
2020-01-09 05:39:31 C 22 29 10.62 +23 25 45.4 V T08
2020-01-09 05:46:21 C 22 29 11.18 +23 25 56.9 V T08
2020-01-09 06:01:59 C 22 29 12.45 +23 26 23.0 V T08
2020-01-14 17:09:05 C 22 40 40.14 +27 08 51.8 V A16
2020-01-14 17:29:40 C 22 40 42.02 +27 09 26.6 V A16
2020-01-14 17:40:12 C 22 40 42.98 +27 09 44.4 V A16
2020-01-17 23:04:26 C 22 48 02.95 +29 22 01.4 q I15
2020-01-17 23:06:31 C 22 48 03.17 +29 22 04.8 q I15
2020-01-17 23:08:36 C 22 48 03.35 +29 22 08.3 q I15
2020-01-19 05:15:11 C 22 51 02.18 +30 13 48.4 V T05
2020-01-19 05:19:51 C 22 51 02.64 +30 13 56.5 V T05
2020-01-19 05:27:48 C 22 51 03.43 +30 14 09.9 V T05
2020-01-19 05:42:24 C 22 51 04.88 +30 14 34.8 V T05
2020-01-20 05:51:39 C 22 53 31.85 +30 56 03.6 V T05
2020-01-20 06:01:53 C 22 53 32.93 +30 56 20.9 V T05
2020-01-20 06:03:52 C 22 53 33.11 +30 56 24.3 V T05
2020-01-20 06:06:30 C 22 53 33.39 +30 56 28.8 V T05
2020-01-20 06:14:30 C 22 53 34.22 +30 56 42.5 V T05
2020-01-20 06:18:37 C 22 53 34.61 +30 56 49.6 V T05
2020-01-20 06:28:39 C 22 53 35.65 +30 57 06.6 V T05
2020-01-20 22:52:14 C 22 55 17.51 +31 25 16.7 q I15
2020-01-20 22:54:19 C 22 55 17.71 +31 25 20.3 q I15
2020-01-20 22:56:24 C 22 55 17.93 +31 25 23.8 q I15
2020-01-25 05:17:42 C 23 06 27.70 +34 21 52.6 V T08
2020-01-25 05:22:22 C 23 06 28.21 +34 22 00.6 V T08
2020-01-25 05:45:42 C 23 06 30.86 +34 22 40.4 V T08
2020-01-26 01:57:28 C 23 08 51.00 +34 57 32.6 V 703
2020-01-26 02:05:47 C 23 08 51.98 +34 57 47.2 V 703
2020-01-26 02:14:05 C 23 08 52.93 +34 58 01.1 V 703
2020-01-26 02:22:24 C 23 08 54.00 +34 58 14.7 V 703
2020-01-26 18:54:24 C 23 10 50.69 +35 26 48.3 V 108
2020-01-26 18:56:51 C 23 10 50.98 +35 26 51.8 V 108
2020-01-26 18:59:18 C 23 10 51.31 +35 26 56.3 V 108
2020-01-26 19:02:21 C 23 10 51.64 +35 27 00.2 V 108