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
2015-05-30 00:30:24 S 23 03 18.91 -21 42 23.0 L C51
2015-05-30 02:04:50 S 23 03 19.910 -21 41 45.92 L C51
2015-05-30 05:13:54 S 23 03 21.87 -21 40 32.6 L C51
2015-05-30 08:22:57 S 23 03 23.825 -21 39 19.73 L C51
2015-05-30 11:31:49 S 23 03 25.72 -21 38 07.3 L C51
2015-07-02 08:06:20 C 22 44 19.32 -19 09 00.4 u 807
2015-07-02 08:12:46 C 22 44 18.88 -19 09 00.8 u 807
2015-07-02 08:19:14 C 22 44 18.42 -19 09 00.5 u 807
2015-07-03 09:23:11 C 22 42 39.39 -19 08 54.7 u 807
2015-07-03 09:29:44 C 22 42 38.96 -19 08 54.9 u 807
2015-07-03 09:36:20 C 22 42 38.46 -19 08 54.1 u 807
2015-07-14 09:11:50 C 22 21 34.99 -19 18 00.3 R G45
2015-07-14 09:19:30 C 22 21 34.24 -19 18 00.9 R G45
2015-07-14 09:27:16 C 22 21 33.49 -19 18 01.7 R G45
2015-07-14 09:34:56 C 22 21 32.78 -19 18 01.5 R G45
2015-07-14 09:42:53 C 22 21 32.01 -19 18 02.3 R G45
2015-07-20 09:14:04 C 22 07 44.23 -19 26 26.3 R G45
2015-07-20 09:14:10 C 22 07 44.17 -19 26 26.4 R G45
2015-07-20 09:22:13 C 22 07 43.39 -19 26 26.7 R G45
2015-07-20 09:22:19 C 22 07 43.35 -19 26 26.7 R G45
2015-07-20 09:29:20 C 22 07 42.63 -19 26 27.1 R G45
2015-07-20 09:29:26 C 22 07 42.63 -19 26 27.5 R G45
2015-07-20 09:36:11 C 22 07 41.92 -19 26 27.7 R G45
2015-07-20 09:42:38 C 22 07 41.26 -19 26 28.0 R G45
2015-07-20 09:42:44 C 22 07 41.23 -19 26 28.0 R G45
2015-07-20 09:42:50 C 22 07 41.25 -19 26 27.8 R G45
2015-07-21 09:15:39 C 22 05 19.57 -19 27 47.1 R G45
2015-07-21 09:22:55 C 22 05 18.81 -19 27 47.3 R G45
2015-07-21 09:23:07 C 22 05 18.83 -19 27 47.3 R G45
2015-07-21 09:30:06 C 22 05 18.06 -19 27 47.8 R G45
2015-07-21 09:36:42 C 22 05 17.37 -19 27 47.8 R G45
2015-07-21 09:43:47 C 22 05 16.63 -19 27 48.3 R G45
2015-07-25 10:07:09 C 21 55 27.588 -19 32 27.14 L F51
2015-07-25 10:22:59 C 21 55 25.896 -19 32 27.97 L F51
2015-07-25 10:39:42 C 21 55 24.110 -19 32 28.81 L F51
2015-07-25 10:55:43 C 21 55 22.394 -19 32 29.57 L F51
2015-08-05 06:52:54 C 21 29 13.08 -19 35 57.8 R G45
2015-08-05 06:54:15 C 21 29 12.94 -19 35 57.9 R G45
2015-08-05 07:00:51 C 21 29 12.29 -19 35 57.9 R G45
2015-08-05 07:00:57 C 21 29 12.31 -19 35 57.6 R G45
2015-08-05 07:08:31 C 21 29 11.52 -19 35 56.9 R G45
2015-08-05 07:08:36 C 21 29 11.52 -19 35 57.4 R G45
2015-08-05 07:24:09 C 21 29 09.97 -19 35 57.1 R G45
2015-08-05 07:24:14 C 21 29 09.95 -19 35 57.0 R G45
2015-08-06 00:03:19 C 21 27 35.62 -19 35 22.9 q Y00
2015-08-06 00:19:40 C 21 27 33.99 -19 35 23.0 q Y00
2015-08-06 00:33:49 C 21 27 32.58 -19 35 23.2 q Y00
2015-08-14 06:38:48 C 21 10 13.37 -19 26 05.2 R G45
2015-08-14 06:49:11 C 21 10 12.49 -19 26 04.3 R G45
2015-08-14 06:52:50 C 21 10 12.19 -19 26 04.1 R G45
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)