90416 (2003 YK118)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4922047984 ± 1.01e-08
Semi-major axis (a)1.6951184872 AU ± 3.86e-09
Inclination (i)7.82654312° ± 2.20e-06
Long. of Asc. Node (Ω)326.74665095° ± 3.97e-06
Arg. of Perihelion (ω)233.27380575° ± 4.60e-06
Mean Anomaly (M)295.81980932° ± 4.37e-06
Mean Motion (n)0.4465932818°/day ± 1.53e-09
Perihelion dist (q)0.86077303 AU ± 1.72e-08
Aphelion dist (Q)2.52946394 AU ± 1.81e-08
Orbital Period2.20698860 yr ± 7.55e-09
NGA Modelr2
A2-1.78711427e-14 ± 5.92e-15 AU/d²
Physical Parameters
H (abs. magnitude)18.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.312″
Uncertainty0
Orbit TypeApollo
MOID0.001764 AU
Observations Used959
Radar Obs Used2
Oppositions12
Arc Total1993-2026
First Observation Used2002-09-13
Last Observation Used2026-01-06
Observations (992)
Date Type RA Dec Mag Band Observatory
2004-01-04 23:42:20 C 10 05 29.93 +29 38 22.6 r J87
2004-01-06 00:24:06 C 10 08 18.93 +29 30 12.5 r 941
2004-01-06 00:25:31 C 10 08 19.09 +29 30 12.2 r 941
2004-01-06 00:26:41 C 10 08 19.22 +29 30 11.7 r 941
2004-01-06 00:27:59 C 10 08 19.37 +29 30 11.1 r 941
2004-01-06 00:32:23 C 10 08 19.86 +29 30 09.8 r 941
2004-01-06 07:39:31 C 10 09 09.69 +29 27 42.9 c 926
2004-01-06 07:43:22 C 10 09 10.19 +29 27 41.5 c 926
2004-01-06 07:47:14 C 10 09 10.65 +29 27 40.3 c 926
2004-01-11 08:03:08 C 10 24 24.16 +28 34 06.0 r 649
2004-01-11 08:05:41 C 10 24 24.49 +28 34 04.8 r 649
2004-01-11 08:08:15 C 10 24 24.82 +28 34 03.5 r 649
2004-01-11 09:44:42 C 10 24 38.26 +28 33 13.9 c 670
2004-01-11 10:43:20 C 10 24 45.89 +28 32 41.6 c 670
2004-01-11 11:48:12 C 10 24 54.20 +28 32 05.4 c 670
2004-01-15 16:18:59 C 10 40 09.28 +27 24 22.1 r D85
2004-01-15 16:24:39 C 10 40 10.09 +27 24 17.0 r D85
2004-01-15 16:27:30 C 10 40 10.47 +27 24 15.5 r D85
2004-01-15 21:52:39 C 10 41 05.79 +27 18 53.8 c 587
2004-01-15 21:54:14 C 10 41 06.05 +27 18 52.8 c 587
2004-01-15 21:55:49 C 10 41 06.32 +27 18 51.4 c 587
2004-01-16 10:03:56 C 10 43 08.26 +27 08 41.9 c 926
2004-01-16 10:06:21 C 10 43 08.71 +27 08 39.2 c 926
2004-01-16 10:08:49 C 10 43 09.11 +27 08 37.0 c 926
2004-01-17 08:16:01 C 10 47 02.37 +26 48 15.4 16.4 d H72
2004-01-17 08:18:17 C 10 47 02.73 +26 48 13.1 16.8 d H72
2004-01-17 08:20:34 C 10 47 03.16 +26 48 11.3 16.6 d H72
2004-01-17 08:22:49 C 10 47 03.57 +26 48 09.9 16.3 d H72
2004-01-17 10:03:07 C 10 47 20.30 +26 46 18.7 c 830
2004-01-17 10:16:52 C 10 47 24.35 +26 46 13.5 16.6 c 644
2004-01-17 10:28:11 C 10 47 24.65 +26 45 53.6 c 830
2004-01-17 10:47:16 C 10 47 29.51 +26 45 44.1 16.6 c 644
2004-01-17 10:53:13 C 10 47 28.94 +26 45 28.3 c 830
2004-01-17 11:18:08 C 10 47 34.75 +26 45 13.9 16.6 c 644
2004-01-17 12:10:57 C 10 47 43.53 +26 44 21.7 c 691
2004-01-17 12:36:10 C 10 47 47.84 +26 43 56.3 c 691
2004-01-17 13:01:30 C 10 47 52.24 +26 43 30.2 c 691
2004-01-17 21:47:34 C 10 49 32.26 +26 34 29.3 17.1 c 130
2004-01-17 21:51:14 C 10 49 32.97 +26 34 25.7 17.2 c 130
2004-01-17 21:54:10 C 10 49 33.51 +26 34 22.7 17.0 c 130
2004-01-17 21:57:49 C 10 49 34.14 +26 34 18.3 17.1 c 130
2004-01-17 22:00:44 C 10 49 34.61 +26 34 15.9 16.9 c 130
2004-01-18 06:30:29 C 10 51 10.19 +26 25 34.0 r G88
2004-01-18 06:45:56 C 10 51 12.98 +26 25 17.8 r G88
2004-01-18 07:00:53 C 10 51 15.69 +26 25 03.1 r G88
2004-01-19 00:22:00 C 10 54 35.68 +26 05 55.6 r 170
2004-01-19 00:25:38 C 10 54 36.33 +26 05 51.8 r 170
2004-01-19 00:27:50 C 10 54 36.77 +26 05 49.0 r 170
2004-01-19 09:36:59 C 10 56 23.30 +25 55 11.9 c 932
2004-01-19 09:53:00 C 10 56 26.36 +25 54 52.7 c 932
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-02-12 00:18:00 118466181.13 4 us 2380 -1 -1
2015-02-23 21:43:00 81209308.27 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)