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
2018-12-04 08:57:51 C 10 28 24.21 +39 49 29.1 V 703
2018-12-04 09:12:24 C 10 28 27.44 +39 49 21.1 V 703
2018-12-16 12:20:45 C 11 39 08.81 +35 13 50.2 V G96
2018-12-16 12:29:13 C 11 39 10.90 +35 13 39.1 V G96
2018-12-16 12:35:24 C 11 39 12.43 +35 13 31.0 V G96
2018-12-16 12:41:35 C 11 39 13.96 +35 13 22.5 V G96
2018-12-16 12:49:54 C 11 39 16.05 +35 13 10.6 V 703
2018-12-16 12:56:37 C 11 39 17.68 +35 13 01.5 V 703
2018-12-16 13:00:00 C 11 39 18.47 +35 12 57.5 V 703
2018-12-20 15:28:03 C 12 04 31.650 +32 43 47.08 U F51
2018-12-20 15:35:58 C 12 04 33.636 +32 43 33.88 U F51
2018-12-27 14:37:57 C 12 47 55.30 +27 14 09.6 V T05
2018-12-27 15:03:50 C 12 48 01.94 +27 13 09.3 V T05
2018-12-27 15:27:06 C 12 48 07.86 +27 12 17.4 V T05
2018-12-27 15:51:11 C 12 48 13.87 +27 11 22.7 V T05
2018-12-27 16:03:33 C 12 48 16.95 +27 10 55.3 V T05
2019-01-02 05:44:06 S 13 22 47.796 +21 37 48.76 L C51
2019-01-02 07:18:10 S 13 23 11.839 +21 33 34.31 L C51
2019-01-02 10:26:40 S 13 24 00.034 +21 25 02.75 L C51
2019-07-03 12:19:01 C 21 48 35.173 -35 55 15.07 U F51
2019-07-03 12:32:55 C 21 48 33.970 -35 55 18.49 U F51
2019-07-03 12:46:51 C 21 48 32.768 -35 55 21.97 U F51
2019-07-03 13:00:45 C 21 48 31.574 -35 55 25.45 U F51
2019-08-01 12:47:28 C 20 37 55.13 -36 06 05.8 q E89
2019-08-01 13:43:06 C 20 37 49.42 -36 05 52.2 q E89
2019-08-24 08:06:54 C 19 59 47.795 -32 33 35.85 U F51
2019-08-24 08:20:46 C 19 59 47.202 -32 33 29.56 U F51
2019-08-24 08:48:30 C 19 59 46.040 -32 33 17.01 U F51
2019-08-28 06:53:16 C 19 56 34.233 -31 50 07.94 U F51
2019-08-28 07:06:36 C 19 56 33.814 -31 50 02.01 U F51
2019-08-28 07:19:54 C 19 56 33.389 -31 49 55.86 U F51
2019-08-28 07:33:14 C 19 56 32.952 -31 49 49.59 U F51
2021-07-13 13:55:30 C 23 13 08.793 -15 04 36.81 U F51
2021-07-13 14:11:39 C 23 13 08.314 -15 04 38.25 U F51
2021-07-13 14:27:47 C 23 13 07.837 -15 04 39.64 U F51
2021-07-17 12:34:50 C 23 10 13.149 -15 14 31.01 U F51
2021-07-17 13:07:44 C 23 10 11.930 -15 14 34.95 U F51
2021-07-17 13:24:11 C 23 10 11.311 -15 14 36.87 U F51
2021-08-31 07:36:00 C 21 59 06.256 -17 58 36.78 U F51
2021-08-31 07:55:17 C 21 59 04.822 -17 58 38.00 U F51
2021-08-31 08:13:56 C 21 59 03.450 -17 58 39.11 U F51
2021-08-31 08:32:38 C 21 59 02.063 -17 58 40.25 U F51
2021-09-04 09:33:36 C 21 52 18.511 -18 02 04.36 U F51
2021-09-04 09:55:25 C 21 52 17.001 -18 02 04.65 U F51
2021-09-04 10:18:18 C 21 52 15.432 -18 02 04.86 U F51
2021-09-07 08:18:25 C 21 47 45.351 -18 02 26.76 U F51
2021-09-07 08:35:03 C 21 47 44.283 -18 02 26.66 U F51
2021-09-07 08:51:45 C 21 47 43.216 -18 02 26.60 U F51
2021-09-07 09:08:23 C 21 47 42.127 -18 02 26.24 U F51
2021-09-11 07:10:09 C 21 42 10.930 -18 00 14.44 U F51