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
2015-11-06 07:05:33 C 23 36 37.561 +07 27 12.73 L F51
2015-12-02 05:12:02 C 23 33 58.227 +06 29 35.88 L F51
2015-12-02 05:29:49 C 23 33 58.445 +06 29 35.94 L F51
2015-12-02 05:47:34 C 23 33 58.670 +06 29 36.14 L F51
2015-12-02 06:05:17 C 23 33 58.885 +06 29 36.27 L F51
2017-07-04 13:03:22 C 21 07 46.007 -22 51 58.83 L F51
2017-07-04 13:20:05 C 21 07 45.293 -22 52 01.10 L F51
2017-07-04 13:36:48 C 21 07 44.577 -22 52 03.35 L F51
2017-07-04 13:53:31 C 21 07 43.867 -22 52 05.68 L F51
2017-07-26 09:56:30 C 20 41 28.788 -24 00 04.54 L F51
2017-07-26 10:13:49 C 20 41 27.796 -24 00 06.28 L F51
2017-07-26 10:31:09 C 20 41 26.812 -24 00 08.13 L F51
2017-07-26 10:48:30 C 20 41 25.828 -24 00 09.94 L F51
2017-08-15 08:46:04 C 20 16 26.967 -24 28 23.07 L F51
2017-08-15 09:01:15 C 20 16 26.239 -24 28 23.17 L F51
2017-08-15 09:16:24 C 20 16 25.528 -24 28 23.40 L F51
2017-08-15 09:31:34 C 20 16 24.806 -24 28 23.44 L F51
2018-09-08 08:37:05 C 02 33 13.96 +24 50 22.2 V G96
2018-09-08 08:44:27 C 02 33 14.02 +24 50 24.6 V G96
2018-09-08 08:51:50 C 02 33 14.08 +24 50 27.0 V G96
2018-09-08 08:59:13 C 02 33 14.10 +24 50 29.3 V G96
2018-09-10 20:08:58 C 02 33 30.76 +25 08 32.9 o 069
2018-09-10 20:38:35 C 02 33 30.86 +25 08 42.4 o 069
2018-09-10 21:12:24 C 02 33 30.96 +25 08 52.5 o 069
2018-10-03 13:31:28 C 02 25 28.266 +27 24 06.16 U F52
2018-10-03 13:47:18 C 02 25 27.709 +27 24 08.98 U F52
2018-10-10 07:04:32 C 02 19 02.08 +27 47 01.1 V G96
2018-10-10 07:11:55 C 02 19 01.74 +27 47 01.9 V G96
2018-10-10 07:19:20 C 02 19 01.38 +27 47 02.6 V G96
2018-10-10 07:26:43 C 02 19 01.03 +27 47 03.6 V G96
2018-10-11 18:11:00 C 02 17 23.13 +27 50 29.5 q D29
2018-10-11 18:12:17 C 02 17 23.08 +27 50 29.8 q D29
2018-10-11 18:31:22 C 02 17 22.09 +27 50 31.3 q D29
2018-10-11 18:32:39 C 02 17 22.03 +27 50 31.4 q D29
2018-10-11 18:51:45 C 02 17 21.08 +27 50 33.2 q D29
2018-10-11 18:53:01 C 02 17 21.02 +27 50 32.9 q D29
2018-10-16 11:43:10 C 02 11 31.63 +27 57 36.9 U T05
2018-10-16 11:58:24 C 02 11 30.74 +27 57 37.4 U T05
2018-10-16 12:29:58 C 02 11 28.92 +27 57 38.3 U T05
2018-10-16 12:51:08 C 02 11 27.73 +27 57 38.4 U T05
2018-10-17 12:30:55 C 02 10 08.578 +27 58 15.97 U F52
2018-10-17 12:49:00 C 02 10 07.514 +27 58 16.26 U F52
2018-10-17 13:07:02 C 02 10 06.457 +27 58 16.42 U F52
2018-10-17 13:25:08 C 02 10 05.397 +27 58 16.62 U F52
2018-10-20 05:49:21 C 02 06 21.34 +27 58 21.3 V 703
2018-10-20 05:57:19 C 02 06 20.81 +27 58 21.6 V 703
2018-10-20 06:13:15 C 02 06 19.87 +27 58 21.0 V 703
2018-10-28 08:02:49 C 01 54 01.74 +27 44 25.1 V 703
2018-10-28 08:10:08 C 01 54 01.15 +27 44 23.8 V 703
2018-10-28 08:17:27 C 01 54 00.74 +27 44 23.1 V 703