170891 (2004 TY16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4053583743 ± 8.31e-09
Semi-major axis (a)1.9824946167 AU ± 4.10e-10
Inclination (i)8.15250916° ± 9.52e-07
Long. of Asc. Node (Ω)329.81632259° ± 3.30e-06
Arg. of Perihelion (ω)177.46014826° ± 4.00e-06
Mean Anomaly (M)126.81628315° ± 1.22e-06
Mean Motion (n)0.3530971816°/day ± 1.10e-10
Perihelion dist (q)1.17887382 AU ± 1.65e-08
Aphelion dist (Q)2.78611541 AU ± 1.65e-08
Orbital Period2.79137397 yr ± 8.66e-10
Physical Parameters
H (abs. magnitude)16.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.190691 AU
Observations Used1465
Oppositions15
Arc Total2001-2025
First Observation Used2001-09-09
Last Observation Used2025-01-02
Observations (1540)
Date Type RA Dec Mag Band Observatory
2004-11-02 23:41:02 C 01 13 07.16 +23 09 51.8 o 461
2004-11-02 23:47:30 C 01 13 06.75 +23 09 49.9 o 461
2004-11-05 07:34:44 C 01 09 47.26 +22 53 51.3 19.0 c 644
2004-11-05 08:08:58 C 01 09 45.18 +22 53 40.4 19.0 c 644
2004-11-05 09:01:47 C 01 09 42.00 +22 53 24.8 18.9 c 644
2004-12-11 19:35:54 C 00 44 44.83 +18 51 14.6 c 246
2004-12-11 19:37:01 C 00 44 44.86 +18 51 14.3 c 246
2004-12-11 19:38:16 C 00 44 44.87 +18 51 14.3 c 246
2004-12-11 19:39:32 C 00 44 44.87 +18 51 14.1 c 246
2004-12-11 19:40:34 C 00 44 44.91 +18 51 13.6 c 246
2004-12-11 19:41:44 C 00 44 44.87 +18 51 13.7 c 246
2005-01-20 03:40:43 C 01 22 13.78 +19 19 14.5 o 696
2005-01-20 03:48:12 C 01 22 14.29 +19 19 16.5 o 696
2006-08-15 22:09:46 C 21 22 09.75 -17 54 42.7 c A44
2006-08-15 22:33:00 C 21 22 08.56 -17 54 46.7 c A44
2007-10-07 08:44:42 C 05 36 14.35 +35 40 55.9 o H55
2007-11-03 10:20:18 C 06 26 26.42 +39 33 04.3 19.0 c 704
2007-11-03 10:37:47 C 06 26 27.57 +39 33 11.3 19.2 c 704
2007-11-03 10:55:14 C 06 26 28.79 +39 33 18.6 19.0 c 704
2007-11-03 11:12:40 C 06 26 29.94 +39 33 24.3 19.0 c 704
2007-11-03 11:30:08 C 06 26 31.18 +39 33 30.2 19.2 c 704
2007-11-05 07:12:43 C 06 29 38.22 +39 49 47.4 r H45
2007-11-05 07:14:45 C 06 29 38.36 +39 49 48.0 r H45
2007-11-05 07:16:23 C 06 29 38.43 +39 49 48.5 r H45
2007-11-05 07:17:57 C 06 29 38.55 +39 49 49.0 r H45
2007-11-05 07:19:30 C 06 29 38.67 +39 49 49.9 r H45
2007-11-06 11:11:21 C 06 31 35.14 +40 00 18.0 r H45
2007-11-06 11:12:45 C 06 31 35.20 +40 00 18.3 r H45
2007-11-06 11:14:08 C 06 31 35.32 +40 00 18.3 r H45
2007-11-06 11:15:34 C 06 31 35.40 +40 00 19.1 r H45
2007-11-06 11:17:42 C 06 31 35.56 +40 00 19.9 r H45
2007-11-08 08:22:58 C 06 34 42.87 +40 17 21.6 r H45
2007-11-08 08:34:11 C 06 34 43.61 +40 17 25.4 r H45
2007-11-08 08:35:41 C 06 34 43.71 +40 17 26.2 r H45
2007-11-08 08:37:07 C 06 34 43.78 +40 17 26.5 r H45
2007-11-08 08:38:30 C 06 34 43.89 +40 17 27.4 r H45
2007-11-09 10:24:31 C 06 36 28.87 +40 27 14.4 r 703
2007-11-09 10:30:08 C 06 36 29.12 +40 27 15.9 r 703
2007-11-09 10:35:53 C 06 36 29.44 +40 27 18.0 r 703
2007-11-09 10:41:39 C 06 36 29.77 +40 27 20.9 r 703
2007-11-11 03:33:25 C 06 39 13.59 +40 42 53.1 c A24
2007-11-11 03:34:52 C 06 39 13.64 +40 42 54.1 c A24
2007-11-11 04:34:03 C 06 39 17.41 +40 43 16.7 c A24
2007-11-11 04:35:30 C 06 39 17.51 +40 43 16.2 c A24
2007-11-16 07:24:07 C 06 47 09.18 +41 30 41.6 r H45
2007-11-16 07:25:44 C 06 47 09.25 +41 30 42.6 r H45
2007-11-16 07:27:28 C 06 47 09.37 +41 30 43.2 r H45
2007-11-16 07:29:35 C 06 47 09.49 +41 30 44.0 r H45
2007-11-16 07:31:48 C 06 47 09.59 +41 30 44.6 r H45
2007-11-16 21:43:11 C 06 48 02.07 +41 36 10.2 o 198