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
2008-04-06 12:00:44 C 09 23 04.04 -00 45 34.6 r 379
2008-04-06 12:18:18 C 09 23 05.91 -00 45 52.1 r 379
2008-04-06 12:22:30 C 09 23 06.33 -00 45 56.1 r 379
2008-04-12 02:56:53 C 09 38 03.91 -02 49 10.2 r 703
2008-04-12 03:05:19 C 09 38 04.81 -02 49 17.4 r 703
2008-04-12 03:13:49 C 09 38 05.71 -02 49 25.1 r 703
2008-04-12 03:22:16 C 09 38 06.61 -02 49 32.4 r 703
2008-04-12 04:29:44 C 09 38 13.73 -02 50 30.7 16.8 c 704
2008-04-12 04:45:38 C 09 38 15.38 -02 50 44.5 16.8 c 704
2008-04-12 05:01:07 C 09 38 17.02 -02 50 57.4 16.9 c 704
2008-04-12 05:17:27 C 09 38 18.75 -02 51 11.2 16.9 c 704
2008-04-12 05:33:34 C 09 38 20.45 -02 51 25.4 16.8 c 704
2008-04-24 19:46:36 C 10 11 33.24 -06 40 23.1 o 198
2008-04-24 19:52:48 C 10 11 33.88 -06 40 27.2 o 198
2008-04-24 19:54:50 C 10 11 34.09 -06 40 28.5 o 198
2008-04-24 20:03:33 C 10 11 35.02 -06 40 34.2 o 198
2008-04-27 04:37:36 C 10 17 42.03 -07 17 16.0 r 703
2008-04-27 04:48:44 C 10 17 43.22 -07 17 22.8 r 703
2008-04-27 04:59:55 C 10 17 44.34 -07 17 30.2 r 703
2008-04-27 05:11:03 C 10 17 45.49 -07 17 37.6 r 703
2008-06-07 08:47:49 C 11 59 09.60 -15 08 34.2 r E12
2008-06-07 09:01:09 C 11 59 10.89 -15 08 39.7 r E12
2008-06-07 09:14:23 C 11 59 12.12 -15 08 44.1 r E12
2008-06-07 09:27:38 C 11 59 13.41 -15 08 49.4 r E12
2009-09-22 04:47:57 C 21 52 08.47 -11 10 13.6 r G96
2009-09-22 04:59:59 C 21 52 08.07 -11 10 15.0 r G96
2009-09-22 05:12:06 C 21 52 07.64 -11 10 16.2 r G96
2009-09-22 05:24:44 C 21 52 07.17 -11 10 16.9 r G96
2010-10-09 11:21:46 C 09 18 40.96 +21 58 29.3 r G96
2010-10-09 11:30:01 C 09 18 42.19 +21 58 23.0 r G96
2010-10-09 11:37:26 C 09 18 43.34 +21 58 17.1 r G96
2010-10-09 11:44:57 C 09 18 44.42 +21 58 11.5 r G96
2010-12-02 12:26:07 C 12 27 04.82 -01 14 28.3 r G96
2010-12-02 12:34:10 C 12 27 05.97 -01 14 37.8 r G96
2010-12-02 12:42:14 C 12 27 07.05 -01 14 47.9 r G96
2010-12-02 12:50:22 C 12 27 08.17 -01 14 57.9 r G96
2010-12-03 12:21:16 C 12 30 23.98 -01 43 35.8 o 691
2010-12-03 12:39:28 C 12 30 26.47 -01 43 58.2 o 691
2010-12-03 12:57:37 C 12 30 28.98 -01 44 20.3 o 691
2012-08-25 09:29:22 c 23 31 51.085 +00 48 02.57 L F51
2012-08-25 09:33:40 c 23 31 50.905 +00 48 02.00 L F51
2012-08-25 09:37:57 c 23 31 50.718 +00 48 01.37 L F51
2012-08-25 09:40:06 c 23 31 50.624 +00 48 01.06 L F51
2012-08-25 09:42:14 c 23 31 50.526 +00 48 00.80 L F51
2012-08-25 09:44:23 c 23 31 50.436 +00 48 00.59 L F51
2012-08-26 12:42:54 c 23 30 41.732 +00 44 12.32 L F51
2012-08-26 13:03:04 c 23 30 40.849 +00 44 09.36 L F51
2012-08-26 13:23:16 c 23 30 39.957 +00 44 06.48 L F51
2012-08-26 13:43:30 c 23 30 39.067 +00 44 03.60 L F51
2012-08-27 10:39:22 c 23 29 45.202 +00 40 59.28 L F51