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
2020-04-04 20:38:42 n 06 26 19.86 +53 37 27.5 V Z43
2020-04-04 20:55:07 C 06 26 23.97 +53 37 06.4 V A16
2020-04-04 20:58:39 n 06 26 24.75 +53 37 02.7 V Z43
2020-04-04 21:10:41 C 06 26 27.82 +53 36 47.4 V A16
2020-04-04 21:26:15 C 06 26 31.39 +53 36 28.2 V A16
2020-04-04 21:41:49 C 06 26 35.34 +53 36 09.6 V A16
2020-04-07 06:59:54 C 06 40 14.39 +52 25 41.0 V T08
2020-04-07 07:04:28 C 06 40 15.41 +52 25 35.1 V T08
2020-04-07 07:12:52 C 06 40 17.33 +52 25 24.8 V T08
2020-04-07 07:27:48 C 06 40 20.75 +52 25 05.4 V T08
2020-04-07 21:45:33 C 06 43 36.66 +52 06 57.9 V 204
2020-04-07 21:52:10 C 06 43 38.16 +52 06 49.6 V 204
2020-04-07 21:58:47 C 06 43 39.71 +52 06 41.2 V 204
2020-04-09 20:27:18 n 06 53 54.28 +51 06 57.5 V Z43
2020-04-09 20:37:03 n 06 53 56.33 +51 06 44.8 V Z43
2020-04-09 20:45:48 n 06 53 58.19 +51 06 33.3 V Z43
2020-04-10 03:25:23 C 06 55 23.50 +50 57 54.4 V 703
2020-04-10 03:33:04 C 06 55 25.13 +50 57 44.4 V 703
2020-04-10 03:40:45 C 06 55 26.75 +50 57 34.1 V 703
2020-04-10 03:48:27 C 06 55 28.34 +50 57 24.6 V 703
2020-04-11 05:57:58 C 07 00 57.11 +50 23 06.4 V T08
2020-04-11 06:02:39 C 07 00 58.10 +50 23 00.1 V T08
2020-04-11 06:10:01 C 07 00 59.59 +50 22 50.7 V T08
2020-04-11 06:24:09 C 07 01 02.47 +50 22 31.6 V T08
2020-04-12 01:31:42 C 07 04 56.48 +49 57 10.1 q I15
2020-04-12 01:33:49 C 07 04 56.90 +49 57 07.3 q I15
2020-04-12 01:35:57 C 07 04 57.31 +49 57 04.6 q I15
2020-04-14 01:50:55 C 07 14 25.45 +48 52 36.6 q W33
2020-04-14 02:13:56 C 07 14 29.80 +48 52 05.3 q W33
2020-04-14 02:36:40 C 07 14 34.13 +48 51 34.6 q W33
2020-04-14 02:59:23 C 07 14 38.39 +48 51 03.6 q W33
2020-04-14 20:46:20 n 07 18 00.01 +48 27 06.2 V Z43
2020-04-14 20:59:20 n 07 18 02.41 +48 26 48.4 V Z43
2020-04-14 21:14:00 n 07 18 05.12 +48 26 28.6 V Z43
2020-04-14 21:30:50 n 07 18 08.28 +48 26 05.8 V Z43
2020-04-14 21:38:22 n 07 18 09.66 +48 25 55.5 V Z43
2020-04-18 03:39:10 C 07 32 07.72 +46 40 15.4 V 703
2020-04-18 03:47:37 C 07 32 09.12 +46 40 04.5 V 703
2020-04-18 03:56:01 C 07 32 10.56 +46 39 52.4 V 703
2020-04-18 04:04:26 C 07 32 11.97 +46 39 41.0 V 703
2020-04-21 05:59:28 C 07 44 24.29 +44 59 18.0 V T05
2020-04-21 06:03:42 C 07 44 24.96 +44 59 12.4 V T05
2020-04-21 06:13:48 C 07 44 26.53 +44 58 58.3 V T05
2020-04-21 06:28:20 C 07 44 28.82 +44 58 38.3 V T05
2020-04-22 04:13:27 C 07 47 53.78 +44 29 07.9 V 703
2020-04-22 04:21:07 C 07 47 55.02 +44 28 57.7 V 703
2020-04-22 04:28:47 C 07 47 56.19 +44 28 47.0 V 703
2020-04-22 04:36:27 C 07 47 57.45 +44 28 37.1 V 703
2020-04-23 07:09:17 C 07 52 01.60 +43 52 45.1 V T08
2020-04-23 07:15:06 C 07 52 02.42 +43 52 36.2 V T08