164120 (2003 YK)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4080325406 ± 3.96e-08
Semi-major axis (a)1.5120448904 AU ± 2.11e-09
Inclination (i)11.02864131° ± 4.41e-06
Long. of Asc. Node (Ω)345.60158079° ± 2.40e-05
Arg. of Perihelion (ω)189.66121345° ± 2.48e-05
Mean Anomaly (M)228.00182718° ± 9.55e-06
Mean Motion (n)0.5301090869°/day ± 1.11e-09
Perihelion dist (q)0.89508137 AU ± 5.99e-08
Aphelion dist (Q)2.12900841 AU ± 6.00e-08
Orbital Period1.85928955 yr ± 3.89e-09
Physical Parameters
H (abs. magnitude)19.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.383″
Uncertainty0
Orbit TypeApollo
MOID0.083870 AU
Observations Used290
Oppositions11
Arc Total2001-2025
First Observation Used2001-10-13
Last Observation Used2025-11-24
Observations (307)
Date Type RA Dec Mag Band Observatory
2003-12-25 19:08:46 C 01 29 45.69 +37 43 20.0 185
2004-01-03 05:23:20 C 01 28 14.16 +36 02 29.3 r 448
2004-01-03 05:46:05 C 01 28 14.24 +36 02 18.1 r 448
2004-01-03 06:05:40 C 01 28 14.33 +36 02 08.7 r 448
2004-01-09 05:19:23 C 01 30 27.82 +35 01 52.1 r 448
2004-01-09 05:38:29 C 01 30 28.29 +35 01 44.5 r 448
2004-01-09 06:03:18 C 01 30 28.83 +35 01 34.4 r 448
2004-01-27 01:58:23 C 01 50 36.89 +32 56 47.0 r 448
2004-01-27 02:13:48 C 01 50 37.87 +32 56 43.4 r 448
2004-01-27 02:35:55 C 01 50 39.28 +32 56 38.8 r 448
2004-03-07 02:18:04 C 03 29 48.55 +29 22 39.7 r 448
2004-03-07 02:33:36 C 03 29 50.50 +29 22 32.1 r 448
2004-03-07 02:44:30 C 03 29 51.92 +29 22 27.7 r 448
2004-04-16 03:13:09 C 05 52 16.43 +10 06 49.5 o 696
2004-04-16 03:18:08 C 05 52 17.21 +10 06 37.7 o 696
2004-04-17 03:22:40 C 05 56 09.33 +09 09 42.6 d 291
2004-04-17 03:28:10 C 05 56 10.17 +09 09 30.0 d 291
2004-04-17 03:33:30 C 05 56 11.06 +09 09 16.6 d 291
2004-05-25 10:16:39 C 09 14 28.78 -40 00 01.2 r 474
2004-05-25 10:22:20 C 09 14 30.61 -40 00 15.7 r 474
2004-05-25 10:24:19 C 09 14 31.20 -40 00 21.9 r 474
2004-05-25 10:27:00 C 09 14 32.05 -40 00 28.2 r 474
2004-07-09 11:17:19 C 14 42 40.29 -47 51 05.3 r 474
2004-07-09 11:19:59 C 14 42 40.71 -47 51 02.9 r 474
2004-07-09 12:16:19 C 14 42 51.24 -47 50 22.7 r 474
2004-07-09 12:18:59 C 14 42 51.70 -47 50 20.5 r 474
2005-12-28 10:19:00 C 13 12 47.01 +16 55 36.0 o 696
2005-12-28 10:21:30 C 13 12 47.60 +16 55 29.1 o 696
2006-01-05 11:21:08 C 13 57 35.25 +08 30 39.9 c 691
2006-01-05 11:42:34 C 13 57 40.05 +08 29 41.7 c 691
2006-01-05 12:04:01 C 13 57 44.84 +08 28 43.3 c 691
2007-11-01 11:51:26 C 11 07 52.39 +14 04 49.6 o 691
2010-09-01 10:02:29 C 23 34 22.00 -02 32 01.0 r G96
2010-09-01 10:10:05 C 23 34 21.46 -02 32 02.4 r G96
2010-09-01 10:17:40 C 23 34 20.92 -02 32 03.5 r G96
2010-09-01 10:25:14 C 23 34 20.46 -02 32 04.7 r G96
2014-09-18 07:45:19 C 01 52 35.22 +22 05 41.1 u H21
2014-09-18 08:04:32 C 01 52 34.38 +22 05 44.3 u H21
2014-09-18 08:21:14 C 01 52 33.68 +22 05 47.6 u H21
2014-09-25 06:32:27 C 01 44 30.88 +22 29 45.6 u H21
2014-09-25 06:45:25 C 01 44 30.13 +22 29 46.9 u H21
2014-09-25 06:58:04 C 01 44 29.43 +22 29 48.1 u H21
2014-10-01 12:58:01 C 01 35 23.378 +22 40 12.08 L F51
2014-10-01 13:34:38 C 01 35 20.880 +22 40 13.06 L F51
2014-10-01 13:53:00 C 01 35 19.642 +22 40 13.18 L F51
2014-10-17 06:18:13 C 01 07 05.82 +22 10 13.4 q G96
2014-10-17 06:24:49 C 01 07 05.25 +22 10 11.9 q G96
2014-10-17 06:31:25 C 01 07 04.77 +22 10 10.9 q G96
2014-10-17 06:38:00 C 01 07 04.20 +22 10 09.3 q G96
2016-10-12 11:06:35 C 03 36 03.40 +37 03 53.6 q G96