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
2008-03-03 00:50:59 C 07 55 40.22 +18 07 10.8 o B61
2008-03-03 19:24:04 C 07 57 24.02 +17 35 16.2 o A92
2008-03-03 19:35:04 C 07 57 25.01 +17 34 57.2 o A92
2008-03-03 19:42:15 C 07 57 25.58 +17 34 44.9 o A92
2008-03-03 20:01:27 C 07 57 27.21 +17 34 11.8 o A92
2008-03-04 05:09:31 C 07 58 17.88 +17 18 37.5 15.9 c 704
2008-03-04 05:25:48 C 07 58 19.25 +17 18 10.4 16.0 c 704
2008-03-04 05:42:13 C 07 58 20.69 +17 17 42.9 17.1 c 704
2008-03-04 05:58:29 C 07 58 22.06 +17 17 14.0 15.9 c 704
2008-03-04 06:14:53 C 07 58 23.44 +17 16 45.0 16.0 c 704
2008-03-04 19:56:28 C 07 59 41.84 +16 53 13.7 r J94
2008-03-04 20:19:35 C 07 59 43.85 +16 52 35.0 r J94
2008-03-04 20:41:02 C 07 59 45.73 +16 51 58.4 r J94
2008-03-08 04:19:11 C 08 07 24.67 +14 38 47.5 r 703
2008-03-08 04:26:57 C 08 07 25.39 +14 38 34.7 r 703
2008-03-08 04:34:50 C 08 07 26.07 +14 38 21.6 r 703
2008-03-08 04:42:41 C 08 07 26.79 +14 38 09.0 r 703
2008-03-10 05:11:48 C 08 12 15.39 +13 19 16.0 15.5 c 704
2008-03-10 05:28:03 C 08 12 16.87 +13 18 49.7 15.6 c 704
2008-03-10 05:44:01 C 08 12 18.37 +13 18 24.1 15.7 c 704
2008-03-10 06:00:26 C 08 12 19.91 +13 17 57.6 15.5 c 704
2008-03-10 06:16:44 C 08 12 21.42 +13 17 30.8 15.7 c 704
2008-03-13 20:25:01 C 08 21 10.62 +11 02 18.9 r A81
2008-03-13 20:35:53 C 08 21 11.68 +11 02 02.4 r A81
2008-03-13 20:45:59 C 08 21 12.67 +11 01 46.9 r A81
2008-03-13 20:55:58 C 08 21 13.63 +11 01 31.5 r A81
2008-03-14 03:16:31 C 08 21 54.00 +10 51 55.0 r 703
2008-03-14 03:46:58 C 08 21 56.91 +10 51 08.7 r 703
2008-03-15 02:33:06 C 08 24 20.10 +10 16 41.8 16.0 c 704
2008-03-15 02:48:46 C 08 24 21.65 +10 16 18.3 16.1 c 704
2008-03-15 03:04:26 C 08 24 23.16 +10 15 54.8 16.1 c 704
2008-03-15 03:20:08 C 08 24 24.70 +10 15 31.4 16.2 c 704
2008-03-15 03:35:49 C 08 24 26.23 +10 15 07.9 16.3 c 704
2008-03-16 04:35:31 C 08 27 03.20 +09 37 53.6 r H45
2008-03-16 04:37:55 C 08 27 03.43 +09 37 50.0 r H45
2008-03-16 04:47:29 C 08 27 04.37 +09 37 35.8 r H45
2008-03-16 04:48:58 C 08 27 04.53 +09 37 33.5 r H45
2008-03-16 04:50:51 C 08 27 04.72 +09 37 30.6 r H45
2008-03-30 04:05:56 C 09 03 33.15 +02 19 29.0 r 703
2008-03-30 04:16:16 C 09 03 34.23 +02 19 17.8 r 703
2008-04-03 23:05:15 C 09 16 17.34 +00 15 11.7 o B04
2008-04-03 23:06:23 C 09 16 17.48 +00 15 10.7 o B04
2008-04-03 23:34:16 C 09 16 20.59 +00 14 41.5 o B04
2008-04-03 23:47:34 C 09 16 21.94 +00 14 28.4 o B04
2008-04-06 04:22:55 C 09 22 12.87 -00 38 08.5 r H45
2008-04-06 04:25:33 C 09 22 13.15 -00 38 11.2 r H45
2008-04-06 04:27:27 C 09 22 13.35 -00 38 13.0 r H45
2008-04-06 04:29:28 C 09 22 13.56 -00 38 15.0 r H45
2008-04-06 04:41:08 C 09 22 14.80 -00 38 26.4 r H45
2008-04-06 11:27:24 C 09 23 00.54 -00 45 02.0 r 379