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
2023-09-20 05:06:20 C 22 56 05.597 -05 15 01.30 V G96
2023-09-20 05:14:31 C 22 56 05.032 -05 15 01.98 V G96
2023-09-20 05:22:43 C 22 56 04.466 -05 15 02.99 V G96
2023-10-04 06:04:43 C 22 37 00.289 -06 02 34.48 X F52
2023-10-04 06:20:20 C 22 36 59.530 -06 02 35.96 X F52
2023-10-04 06:35:56 C 22 36 58.762 -06 02 37.54 X F52
2023-10-17 05:14:09 C 22 25 54.357 -06 19 39.79 X F51
2023-10-17 05:33:08 C 22 25 53.879 -06 19 39.95 X F51
2023-10-17 05:53:16 C 22 25 53.331 -06 19 40.53 X F51
2025-09-03 05:49:25 C 00 38 52.00 +08 45 38.1 V H21
2025-09-03 05:59:39 C 00 38 51.47 +08 45 38.9 V H21
2025-09-16 11:12:00 C 00 20 03.925 +08 15 04.39 X F51
2025-09-16 11:56:32 C 00 20 00.862 +08 14 57.18 X F51
2025-09-16 12:13:55 C 00 19 59.665 +08 14 54.28 X F51
2025-09-23 06:38:06 C 00 08 50.064 +07 45 35.96 V G96
2025-09-23 06:47:42 C 00 08 49.358 +07 45 35.32 V G96
2025-09-23 06:55:07 C 00 08 48.793 +07 45 33.70 V G96
2025-09-23 07:02:30 C 00 08 48.275 +07 45 31.25 V G96
2025-10-12 13:13:03 C 23 37 43.331 +05 56 06.79 W O18
2025-10-12 14:14:25 C 23 37 39.608 +05 55 51.98 W O18
2025-10-13 07:47:56 C 23 36 37.601 +05 51 39.37 X F51
2025-10-13 08:06:18 C 23 36 36.495 +05 51 34.90 X F51
2025-10-13 08:43:17 C 23 36 34.272 +05 51 26.10 X F51
2025-10-18 13:11:24 C 23 29 46.832 +05 22 24.85 W O18
2025-10-18 15:23:21 C 23 29 39.921 +05 21 55.44 W O18
2025-10-19 13:06:46 C 23 28 35.174 +05 17 08.05 W O18
2025-10-19 15:08:50 C 23 28 28.978 +05 16 41.60 W O18
2025-10-19 15:17:40 C 23 28 28.533 +05 16 39.72 W O18
2025-10-20 13:02:54 C 23 27 25.760 +05 11 58.25 W O18
2025-10-20 17:18:50 C 23 27 13.230 +05 11 03.81 W O18
2025-10-21 12:54:35 C 23 26 18.929 +05 06 56.61 W O18
2025-10-21 15:05:22 C 23 26 12.736 +05 06 29.48 W O18
2025-10-23 12:50:26 C 23 24 11.881 +04 57 14.60 W O18
2025-10-23 13:54:31 C 23 24 09.056 +04 57 01.94 W O18
2025-10-25 14:38:44 C 23 22 10.156 +04 47 46.80 W O18
2025-10-25 17:48:01 C 23 22 02.533 +04 47 11.97 W O18
2025-10-28 12:49:22 C 23 19 37.595 +04 35 36.23 W O18
2025-10-28 13:53:31 C 23 19 35.333 +04 35 25.80 W O18
2025-10-29 12:46:24 C 23 18 50.479 +04 31 46.44 W O18
2025-10-29 13:54:49 C 23 18 48.193 +04 31 35.90 W O18
2025-11-09 14:36:50 C 23 12 58.141 +04 01 36.65 W O18
2025-11-09 16:28:52 C 23 12 56.609 +04 01 28.86 W O18
2025-11-11 12:34:35 C 23 12 28.424 +03 58 46.93 W O18
2025-11-11 16:27:58 C 23 12 25.972 +03 58 34.45 W O18
2025-11-11 16:29:47 C 23 12 25.960 +03 58 34.54 W O18
2025-11-13 15:52:46 C 23 12 05.166 +03 56 28.23 W O18
2025-11-13 15:54:32 C 23 12 05.145 +03 56 28.05 W O18
2025-11-19 14:36:46 C 23 11 57.091 +03 54 48.17 W O18
2025-11-19 14:38:32 C 23 11 57.104 +03 54 48.28 W O18
2025-11-19 16:19:35 C 23 11 57.359 +03 54 49.61 W O18