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
2019-11-09 06:22:35 C 21 14 29.78 -16 32 51.3 V T08
2019-11-09 06:30:03 C 21 14 29.89 -16 32 38.8 V T08
2019-11-09 06:46:07 C 21 14 30.10 -16 32 12.4 V T08
2019-11-10 06:35:24 C 21 14 53.89 -15 52 54.1 V T05
2019-11-10 06:40:03 C 21 14 53.96 -15 52 46.5 V T05
2019-11-10 06:49:38 C 21 14 54.12 -15 52 30.3 V T05
2019-11-10 07:04:14 C 21 14 54.33 -15 52 06.5 V T05
2019-11-10 18:07:31 C 21 15 06.42 -15 33 56.5 V A16
2019-11-10 18:28:16 C 21 15 06.88 -15 33 21.8 V A16
2019-11-10 18:49:02 C 21 15 07.27 -15 32 48.5 V A16
2019-11-12 05:47:54 C 21 15 47.81 -14 35 07.8 V T08
2019-11-12 05:52:37 C 21 15 47.90 -14 35 00.1 V T08
2019-11-12 06:00:01 C 21 15 48.02 -14 34 47.8 V T08
2019-11-12 06:18:02 C 21 15 48.36 -14 34 18.0 V T08
2019-11-13 06:45:30 C 21 16 19.60 -13 54 04.4 V T08
2019-11-13 06:50:50 C 21 16 19.71 -13 53 55.7 V T08
2019-11-13 06:58:50 C 21 16 19.85 -13 53 42.4 V T08
2019-11-13 07:13:04 C 21 16 20.15 -13 53 18.8 V T08
2019-11-13 14:46:06 C 21 16 30.59 -13 40 55.2 q C97
2019-11-13 14:48:19 C 21 16 30.62 -13 40 51.6 q C97
2019-11-13 14:50:32 C 21 16 30.66 -13 40 48.1 q C97
2019-11-13 14:52:45 C 21 16 30.71 -13 40 44.5 q C97
2019-11-13 19:19:33 C 21 16 36.71 -13 33 28.1 V C95
2019-11-13 19:26:31 C 21 16 36.87 -13 33 16.7 V C95
2019-11-15 06:16:16 C 21 17 26.76 -12 36 03.9 V T05
2019-11-15 06:21:35 C 21 17 26.89 -12 35 55.2 V T05
2019-11-15 06:29:35 C 21 17 27.07 -12 35 42.0 V T05
2019-11-15 06:45:06 C 21 17 27.43 -12 35 16.4 V T05
2019-11-18 02:28:40 C 21 19 17.06 -10 44 24.0 V 703
2019-11-18 02:36:36 C 21 19 17.29 -10 44 11.0 V 703
2019-11-18 02:44:31 C 21 19 17.47 -10 43 58.2 V 703
2019-11-18 02:52:27 C 21 19 17.72 -10 43 45.0 V 703
2019-11-21 00:17:13 C 21 21 25.53 -08 50 15.2 o W92
2019-11-21 00:37:34 C 21 21 26.19 -08 49 42.5 o W92
2019-11-21 00:41:17 C 21 21 26.34 -08 49 36.6 o W92
2019-11-21 00:52:35 C 21 21 26.72 -08 49 18.4 o W92
2019-11-21 06:39:09 C 21 21 38.05 -08 40 01.5 V T08
2019-11-21 06:43:47 C 21 21 38.19 -08 39 53.8 V T08
2019-11-21 06:52:27 C 21 21 38.46 -08 39 39.6 V T08
2019-11-21 07:07:03 C 21 21 38.92 -08 39 15.7 V T08
2019-11-23 02:02:53 C 21 23 06.77 -07 29 23.0 V 703
2019-11-23 02:11:10 C 21 23 07.05 -07 29 09.6 V 703
2019-11-23 02:19:27 C 21 23 07.32 -07 28 56.0 V 703
2019-11-23 02:27:45 C 21 23 07.59 -07 28 42.6 V 703
2019-11-23 18:37:29 C 21 23 41.99 -07 02 26.7 V A16
2019-11-23 18:47:51 C 21 23 42.36 -07 02 09.5 V A16
2019-11-23 19:08:36 C 21 23 43.18 -07 01 37.2 V A16
2019-11-23 19:29:21 C 21 23 43.80 -07 01 01.7 V A16
2019-11-25 05:00:36 C 21 24 57.79 -06 06 29.3 V T08
2019-11-25 05:05:24 C 21 24 57.96 -06 06 21.6 V T08