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
2023-08-24 22:55:31 C 21 15 13.046 -63 56 24.94 V M22
2023-08-24 23:03:28 C 21 15 12.041 -63 56 22.31 V M22
2023-08-24 23:20:24 C 21 15 09.931 -63 56 16.94 V M22
2023-09-04 03:33:40 C 20 48 21.439 -62 11 07.98 V W68
2023-09-04 03:38:15 C 20 48 20.885 -62 11 05.53 V W68
2023-09-04 03:46:07 C 20 48 20.155 -62 11 00.82 V W68
2023-09-04 04:04:31 C 20 48 18.367 -62 10 50.74 V W68
2023-09-14 20:53:36 C 20 28 02.330 -59 19 00.77 V M22
2023-09-14 20:57:37 C 20 28 02.172 -59 18 58.36 V M22
2023-09-14 21:07:06 C 20 28 01.471 -59 18 50.80 V M22
2023-09-14 21:23:19 C 20 28 00.485 -59 18 37.58 V M22
2023-09-16 02:47:46 C 20 26 16.889 -58 55 50.23 V W68
2023-09-16 03:04:49 C 20 26 15.890 -58 55 36.52 V W68
2023-09-16 03:09:23 C 20 26 15.576 -58 55 33.02 V W68
2023-09-16 03:19:25 C 20 26 14.966 -58 55 25.00 V W68
2023-10-02 20:01:35 C 20 13 54.886 -53 03 43.20 V M22
2023-10-02 20:06:12 C 20 13 54.830 -53 03 38.48 V M22
2023-10-02 20:16:36 C 20 13 54.739 -53 03 28.66 V M22
2023-10-02 20:32:38 C 20 13 54.583 -53 03 13.54 V M22
2023-10-17 18:33:07 C 20 17 04.692 -47 13 15.53 V M22
2023-10-17 18:37:44 C 20 17 04.750 -47 13 11.78 V M22
2023-10-17 18:45:05 C 20 17 04.908 -47 13 04.26 V M22
2023-10-17 19:00:20 C 20 17 05.258 -47 12 48.67 V M22
2023-10-17 19:48:11 C 20 17 06.298 -47 11 59.53 V M22
2023-10-17 19:48:50 C 20 17 06.314 -47 11 58.81 V M22
2023-10-17 19:49:29 C 20 17 06.348 -47 11 58.96 V M22
2023-10-17 19:50:08 C 20 17 06.326 -47 11 58.13 V M22
2023-10-17 19:50:47 C 20 17 06.370 -47 11 57.08 V M22
2023-10-26 18:34:05 C 20 23 34.327 -43 35 13.42 V M22
2023-10-26 18:37:22 C 20 23 34.452 -43 35 10.03 V M22
2023-10-26 18:38:42 C 20 23 34.498 -43 35 08.52 V M22
2023-10-26 18:42:38 C 20 23 34.666 -43 35 04.81 V M22
2023-10-26 18:46:50 C 20 23 34.817 -43 35 00.13 V M22
2023-10-26 18:52:15 C 20 23 34.963 -43 34 55.20 V M22
2023-10-26 19:00:58 C 20 23 35.266 -43 34 45.77 V M22
2023-10-26 19:07:42 C 20 23 35.532 -43 34 38.50 V M22
2023-11-01 18:31:54 C 20 29 19.807 -41 08 10.10 V M22
2023-11-01 19:05:33 C 20 29 21.300 -41 07 36.05 V M22
2023-11-01 19:31:54 C 20 29 22.382 -41 07 08.80 V M22
2023-11-01 19:36:06 C 20 29 22.534 -41 07 04.12 V M22
2023-11-05 01:02:22 C 20 32 52.582 -39 47 25.33 V W68
2023-11-05 01:06:59 C 20 32 52.812 -39 47 21.41 V W68
2023-11-05 01:14:55 C 20 32 53.146 -39 47 12.16 V W68
2023-11-05 01:36:56 C 20 32 54.149 -39 46 50.34 V W68
2023-11-09 19:24:04 C 20 38 29.681 -37 49 03.36 V M22
2023-11-09 19:32:04 C 20 38 30.086 -37 48 55.08 V M22
2023-11-09 19:48:13 C 20 38 30.874 -37 48 38.30 V M22
2023-11-11 01:41:29 C 20 40 03.972 -37 17 33.04 V W68
2023-11-11 01:45:30 C 20 40 04.200 -37 17 28.86 V W68
2023-11-11 01:52:54 C 20 40 04.553 -37 17 20.83 V W68