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
2001-09-09 07:50:39 C 00 23 52.13 +09 53 54.7 c 644
2001-09-09 08:21:21 C 00 23 50.78 +09 53 52.2 c 644
2001-09-09 08:51:51 C 00 23 49.39 +09 53 48.3 c 644
2001-09-14 06:08:22 C 00 18 31.54 +09 40 29.9 c 644
2001-09-14 06:39:05 C 00 18 30.03 +09 40 26.1 c 644
2001-09-14 07:10:09 C 00 18 28.44 +09 40 22.2 c 644
2001-10-05 07:20:40 C 23 52 25.56 +08 00 40.5 c 644
2001-10-12 06:15:27 C 23 44 04.72 +07 19 08.3 c 644
2001-10-12 06:46:07 C 23 44 03.20 +07 19 00.7 c 644
2001-10-21 05:41:22 C 23 34 40.67 +06 26 19.9 c 644
2001-10-21 06:11:45 C 23 34 39.45 +06 26 13.1 c 644
2001-10-21 06:42:15 C 23 34 38.18 +06 26 05.0 c 644
2001-12-05 02:33:19 C 23 25 23.89 +04 43 18.9 c 644
2001-12-05 02:48:07 C 23 25 24.20 +04 43 20.4 c 644
2001-12-05 03:03:06 C 23 25 24.49 +04 43 21.3 c 644
2001-12-05 05:06:50 C 23 25 26.92 +04 43 30.4 c 644
2001-12-05 05:21:48 C 23 25 27.25 +04 43 31.3 c 644
2004-10-10 06:08:59 C 01 48 09.24 +24 39 12.5 19.6 c 704
2004-10-10 06:24:50 C 01 48 08.24 +24 39 11.8 19.7 c 704
2004-10-10 06:40:42 C 01 48 07.40 +24 39 12.0 20.0 c 704
2004-10-10 06:56:39 C 01 48 06.49 +24 39 11.6 20.0 c 704
2004-10-10 07:12:31 C 01 48 05.62 +24 39 12.7 20.1 c 704
2004-10-12 07:36:48 C 01 45 24.44 +24 37 49.3 o 699
2004-10-12 07:46:11 C 01 45 23.92 +24 37 46.7 o 699
2004-10-12 07:55:34 C 01 45 23.22 +24 37 46.9 o 699
2004-10-12 08:04:56 C 01 45 22.71 +24 37 46.7 o 699
2004-10-14 09:20:32 C 01 42 32.03 +24 35 07.9 18.8 c 644
2004-10-14 09:22:14 C 01 42 31.92 +24 35 07.7 18.8 c 644
2004-10-14 09:54:18 C 01 42 29.97 +24 35 05.6 18.9 c 644
2004-10-14 09:56:01 C 01 42 29.88 +24 35 05.3 19.0 c 644
2004-10-14 10:26:22 C 01 42 28.04 +24 35 03.6 18.9 c 644
2004-10-14 10:28:10 C 01 42 27.93 +24 35 03.0 19.4 c 644
2004-10-15 06:09:54 C 01 41 18.48 +24 33 40.1 19.4 c 704
2004-10-15 06:25:40 C 01 41 17.44 +24 33 37.5 19.3 c 704
2004-10-15 06:41:26 C 01 41 16.52 +24 33 35.8 19.8 c 704
2004-10-15 06:57:12 C 01 41 15.58 +24 33 35.3 20.0 c 704
2004-10-15 07:12:59 C 01 41 14.59 +24 33 34.6 20.3 c 704
2004-10-19 21:10:28 C 01 34 30.44 +24 21 47.6 c A35
2004-10-19 21:15:48 C 01 34 30.12 +24 21 46.9 c A35
2004-10-19 21:22:20 C 01 34 29.68 +24 21 46.5 c A35
2004-10-22 23:38:32 C 01 29 47.38 +24 10 24.1 r 170
2004-10-22 23:40:46 C 01 29 47.24 +24 10 23.6 r 170
2004-10-22 23:47:25 C 01 29 46.78 +24 10 22.0 r 170
2004-10-23 20:14:09 C 01 28 28.71 +24 06 44.0 o 198
2004-10-23 20:19:27 C 01 28 28.39 +24 06 43.3 o 198
2004-10-23 20:24:28 C 01 28 28.03 +24 06 43.1 o 198
2004-11-02 05:46:37 C 01 14 12.90 +23 14 51.8 o 699
2004-11-02 06:14:38 C 01 14 11.12 +23 14 43.5 o 699
2004-11-02 06:42:43 C 01 14 09.37 +23 14 35.6 o 699
2004-11-02 07:10:49 C 01 14 07.66 +23 14 27.7 o 699