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
2001-10-13 08:43:16 C 01 22 16.71 +23 36 48.9 c 644
2001-10-13 09:43:28 C 01 22 11.75 +23 36 42.7 c 644
2001-10-26 05:44:13 C 00 57 16.75 +22 35 53.9 c 644
2001-10-26 06:15:13 C 00 57 14.25 +22 35 45.0 c 644
2001-10-27 03:38:24 C 00 55 33.64 +22 29 43.8 c 644
2001-10-27 03:53:33 C 00 55 32.39 +22 29 40.1 c 644
2001-10-27 04:08:43 C 00 55 31.21 +22 29 35.4 c 644
2003-12-17 03:22:07 C 01 37 41.91 +39 39 20.2 19.4 c 704
2003-12-17 03:40:55 C 01 37 40.86 +39 39 09.3 20.2 c 704
2003-12-17 03:59:40 C 01 37 39.75 +39 38 59.1 20.0 c 704
2003-12-17 04:18:31 C 01 37 38.59 +39 38 47.3 20.4 c 704
2003-12-17 04:37:15 C 01 37 37.41 +39 38 36.8 19.9 c 704
2003-12-18 00:08:27 C 01 36 35.25 +39 27 27.1 r J95
2003-12-18 00:16:22 C 01 36 34.97 +39 27 23.3 r J95
2003-12-18 00:24:51 C 01 36 34.38 +39 27 16.9 r J95
2003-12-18 00:41:52 C 01 36 33.60 +39 27 05.3 r J95
2003-12-18 01:29:19 C 01 36 32.37 +39 26 48.2 19.7 c 704
2003-12-18 01:29:42 C 01 36 32.37 +39 26 47.6 19.4 c 704
2003-12-18 01:48:02 C 01 36 31.25 +39 26 36.8 19.9 c 704
2003-12-18 01:48:38 C 01 36 31.27 +39 26 37.1 20.0 c 704
2003-12-18 02:07:32 C 01 36 30.13 +39 26 25.3 19.7 c 704
2003-12-18 02:09:00 C 01 36 30.15 +39 26 25.7 20.1 c 704
2003-12-18 02:27:14 C 01 36 29.17 +39 26 15.2 19.5 c 704
2003-12-18 02:46:26 C 01 36 28.19 +39 26 03.8 20.1 c 704
2003-12-18 02:48:55 C 01 36 28.16 +39 26 02.5 20.5 c 704
2003-12-18 03:05:16 C 01 36 27.00 +39 25 53.9 r 448
2003-12-18 03:15:27 C 01 36 26.42 +39 25 48.3 r 448
2003-12-18 03:26:11 C 01 36 25.82 +39 25 41.9 r 448
2003-12-18 04:00:20 C 01 36 24.14 +39 25 22.3 c 673
2003-12-18 04:06:10 C 01 36 23.83 +39 25 19.0 c 673
2003-12-18 04:06:49 C 01 36 23.67 +39 25 18.5 c 854
2003-12-18 04:11:00 C 01 36 23.57 +39 25 16.3 c 673
2003-12-18 04:16:19 C 01 36 23.17 +39 25 14.3 c 854
2003-12-18 04:25:52 C 01 36 22.58 +39 25 08.1 c 854
2003-12-18 04:43:20 C 01 36 21.74 +39 24 57.7 c 673
2003-12-18 04:48:10 C 01 36 21.50 +39 24 55.1 c 673
2003-12-18 04:52:59 C 01 36 21.21 +39 24 52.1 c 673
2003-12-18 06:56:11 C 01 36 14.58 +39 23 40.4 c 926
2003-12-18 06:59:40 C 01 36 14.33 +39 23 38.8 c 926
2003-12-18 07:03:07 C 01 36 14.09 +39 23 35.8 c 926
2003-12-19 04:07:05 C 01 35 13.15 +39 11 40.7 r 649
2003-12-19 04:09:38 C 01 35 13.09 +39 11 39.1 r 649
2003-12-19 04:12:12 C 01 35 12.88 +39 11 37.6 r 649
2003-12-19 04:14:45 C 01 35 12.79 +39 11 36.1 r 649
2003-12-19 04:17:18 C 01 35 12.65 +39 11 34.2 r 649
2003-12-25 04:03:33 C 01 30 06.34 +37 51 30.0 r 448
2003-12-25 04:22:24 C 01 30 05.76 +37 51 19.9 r 448
2003-12-25 04:43:33 C 01 30 05.23 +37 51 08.6 r 448
2003-12-25 18:37:12 C 01 29 46.45 +37 43 36.0 185
2003-12-25 18:48:10 C 01 29 46.09 +37 43 28.8 185