169352 (2001 UY16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5196639222 ± 3.66e-08
Semi-major axis (a)2.0828472737 AU ± 1.66e-09
Inclination (i)32.28247523° ± 1.50e-05
Long. of Asc. Node (Ω)32.18423967° ± 7.09e-06
Arg. of Perihelion (ω)48.44225389° ± 1.88e-05
Mean Anomaly (M)346.45514184° ± 7.07e-06
Mean Motion (n)0.3278884637°/day ± 3.93e-10
Perihelion dist (q)1.00046669 AU ± 7.61e-08
Aphelion dist (Q)3.16522786 AU ± 7.62e-08
Orbital Period3.00598036 yr ± 3.60e-09
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.417″
Uncertainty0
Orbit TypeApollo
MOID0.119644 AU
Observations Used259
Oppositions16
Arc Total2001-2025
First Observation Used2001-10-23
Last Observation Used2025-12-28
Observations (289)
Date Type RA Dec Mag Band Observatory
2004-09-19 15:28:41 C 02 25 08.91 -38 35 04.9 r 474
2004-09-19 15:36:19 C 02 25 08.47 -38 35 05.9 r 474
2004-09-20 15:44:00 C 02 23 50.84 -38 38 56.5 c 474
2004-09-20 15:52:17 C 02 23 50.39 -38 38 56.8 c 474
2004-09-20 15:54:19 C 02 23 50.23 -38 38 58.2 c 474
2004-09-20 15:57:49 C 02 23 50.05 -38 38 58.4 c 474
2004-09-20 16:00:20 C 02 23 49.82 -38 38 58.4 c 474
2004-10-08 13:20:42 C 01 37 34.56 -37 16 13.2 r E12
2004-10-08 13:35:17 C 01 37 32.09 -37 16 02.2 r E12
2004-10-08 13:49:50 C 01 37 29.43 -37 15 50.9 r E12
2004-10-08 14:04:19 C 01 37 27.01 -37 15 41.0 r E12
2004-10-30 21:03:47 C 23 33 08.57 -15 05 39.3 c 952
2004-10-30 21:05:08 C 23 33 08.21 -15 05 32.8 c 952
2004-10-30 21:06:30 C 23 33 07.85 -15 05 26.6 c 952
2004-10-30 21:07:51 C 23 33 07.48 -15 05 20.5 c 952
2004-10-30 21:09:13 C 23 33 07.12 -15 05 14.4 c 952
2004-10-30 21:11:39 C 23 33 06.47 -15 05 03.9 c 952
2004-11-04 03:46:49 C 23 06 58.86 -06 50 33.3 o 699
2004-11-04 04:16:02 C 23 06 51.35 -06 48 06.8 o 699
2004-11-04 04:45:15 C 23 06 43.90 -06 45 39.4 o 699
2004-11-04 05:14:27 C 23 06 36.36 -06 43 12.7 o 699
2004-11-15 18:19:30 C 22 05 24.07 +15 50 47.5 r 185
2004-11-15 18:33:16 C 22 05 21.36 +15 51 47.3 r 185
2004-11-15 18:39:30 C 22 05 20.09 +15 52 13.6 r 185
2004-11-15 18:49:38 C 22 05 18.09 +15 52 58.3 r 185
2007-10-09 14:52:54 C 01 20 28.57 -39 50 13.7 r E12
2007-10-09 15:07:17 C 01 20 25.87 -39 50 02.0 r E12
2007-10-19 11:17:19 C 00 31 31.98 -34 29 34.5 r E12
2007-10-19 11:31:01 C 00 31 28.88 -34 29 08.3 r E12
2007-11-01 03:19:51 C 23 20 09.36 -18 36 51.0 w 699
2007-11-01 03:40:50 C 23 20 04.37 -18 35 22.6 w 699
2007-11-01 04:01:51 C 23 19 59.41 -18 33 55.6 w 699
2007-11-01 04:22:48 C 23 19 54.59 -18 32 28.0 w 699
2007-11-08 18:31:03 C 22 41 21.70 -04 55 04.4 r 130
2007-11-08 18:38:17 C 22 41 20.30 -04 54 30.9 r 130
2007-11-08 18:45:31 C 22 41 18.83 -04 53 56.9 r 130
2007-11-08 18:52:46 C 22 41 17.37 -04 53 23.2 r 130
2007-11-11 04:06:45 C 22 30 27.46 -00 26 23.1 w 699
2007-11-11 04:40:55 C 22 30 21.02 -00 23 45.7 w 699
2007-11-11 05:15:00 C 22 30 14.45 -00 21 06.4 w 699
2007-11-11 05:49:09 C 22 30 08.07 -00 18 28.2 w 699
2010-10-27 03:47:45 C 23 40 53.96 -27 18 05.3 18.7 c 704
2010-10-27 04:06:25 C 23 40 49.61 -27 17 03.5 19.1 c 704
2010-10-27 04:25:14 C 23 40 45.14 -27 16 01.5 19.4 c 704
2010-10-27 04:44:04 C 23 40 40.95 -27 14 59.4 18.4 c 704
2010-10-28 03:11:25 C 23 35 43.38 -26 00 19.7 18.3 c 704
2010-10-28 03:29:46 C 23 35 39.23 -25 59 18.5 18.5 c 704
2010-10-28 03:47:57 C 23 35 35.04 -25 58 16.4 18.8 c 704
2010-10-28 04:06:09 C 23 35 30.90 -25 57 15.0 19.0 c 704
2010-10-28 04:24:23 C 23 35 26.83 -25 56 13.7 18.1 c 704