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
2021-09-11 07:24:09 C 21 42 10.108 -18 00 13.68 U F51
2021-09-11 07:38:09 C 21 42 09.317 -18 00 13.25 U F51
2021-09-11 07:52:18 C 21 42 08.503 -18 00 12.66 U F51
2023-08-12 23:50:09 C 23 54 14.83 -02 39 05.1 c 095
2023-08-12 23:52:15 C 23 54 14.71 -02 39 05.2 c 095
2023-08-12 23:54:21 C 23 54 14.65 -02 39 05.0 c 095
2023-08-12 23:56:26 C 23 54 14.51 -02 39 05.4 c 095
2023-08-12 23:58:32 C 23 54 14.41 -02 39 05.5 c 095
2023-08-13 00:00:38 C 23 54 14.31 -02 39 05.8 c 095
2023-08-13 00:02:44 C 23 54 14.23 -02 39 05.8 c 095
2023-08-13 00:04:50 C 23 54 14.12 -02 39 06.1 c 095
2023-08-13 00:06:55 C 23 54 14.02 -02 39 06.4 c 095
2023-08-13 00:09:01 C 23 54 13.93 -02 39 06.7 c 095
2023-08-13 00:11:07 C 23 54 13.85 -02 39 06.9 c 095
2023-08-13 00:13:13 C 23 54 13.77 -02 39 07.2 c 095
2023-08-13 00:15:19 C 23 54 13.68 -02 39 07.3 c 095
2023-08-13 00:17:25 C 23 54 13.56 -02 39 07.4 c 095
2023-08-13 00:19:30 C 23 54 13.48 -02 39 07.9 c 095
2023-08-13 00:21:36 C 23 54 13.37 -02 39 07.7 c 095
2023-08-13 00:23:42 C 23 54 13.29 -02 39 07.8 c 095
2023-08-13 00:25:48 C 23 54 13.17 -02 39 07.8 c 095
2023-08-13 00:32:05 C 23 54 12.86 -02 39 08.1 c 095
2023-08-13 00:36:17 C 23 54 12.67 -02 39 08.6 c 095
2023-08-13 00:38:23 C 23 54 12.58 -02 39 09.0 c 095
2023-08-13 00:42:34 C 23 54 12.43 -02 39 09.5 c 095
2023-08-13 00:44:40 C 23 54 12.30 -02 39 09.2 c 095
2023-08-13 00:46:46 C 23 54 12.21 -02 39 09.4 c 095
2023-08-13 00:48:52 C 23 54 12.12 -02 39 09.9 c 095
2023-08-13 00:50:57 C 23 54 12.02 -02 39 10.3 c 095
2023-08-13 00:53:03 C 23 54 11.95 -02 39 10.5 c 095
2023-08-13 00:55:09 C 23 54 11.81 -02 39 10.1 c 095
2023-08-13 00:57:15 C 23 54 11.74 -02 39 10.1 c 095
2023-08-13 00:59:21 C 23 54 11.65 -02 39 10.9 c 095
2023-08-13 01:01:26 C 23 54 11.55 -02 39 11.0 c 095
2023-08-13 01:03:32 C 23 54 11.44 -02 39 11.4 c 095
2023-08-13 01:07:44 C 23 54 11.26 -02 39 11.8 c 095
2023-08-13 01:09:50 C 23 54 11.13 -02 39 11.5 c 095
2023-08-13 01:11:55 C 23 54 11.06 -02 39 11.7 c 095
2023-08-21 10:44:51 C 23 43 56.730 -03 02 09.13 X F51
2023-08-21 11:02:03 C 23 43 55.709 -03 02 11.55 X F51
2023-08-21 11:19:15 C 23 43 54.697 -03 02 13.84 X F51
2023-08-21 11:36:30 C 23 43 53.673 -03 02 16.47 X F51
2023-09-06 06:56:49 C 23 19 11.827 -04 09 49.68 V G96
2023-09-06 07:04:59 C 23 19 11.269 -04 09 51.05 V G96
2023-09-06 07:13:09 C 23 19 10.679 -04 09 52.49 V G96
2023-09-06 07:21:17 C 23 19 10.088 -04 09 54.00 V G96
2023-09-09 09:28:18 C 23 13 56.522 -04 24 48.77 X F52
2023-09-09 09:44:51 C 23 13 55.307 -04 24 52.21 X F52
2023-09-09 10:01:28 C 23 13 54.102 -04 24 55.49 X F52
2023-09-09 10:18:05 C 23 13 52.892 -04 24 58.64 X F52