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
2015-08-14 07:00:01 C 21 10 11.59 -19 26 03.7 R G45
2015-08-14 07:07:34 C 21 10 10.99 -19 26 03.2 R G45
2015-08-14 07:22:28 C 21 10 09.76 -19 26 01.8 R G45
2015-09-05 07:37:25 C 20 42 28.495 -18 23 50.54 L F51
2015-09-05 07:53:18 C 20 42 28.036 -18 23 48.20 L F51
2015-09-05 08:09:10 C 20 42 27.575 -18 23 45.81 L F51
2015-09-05 08:25:01 C 20 42 27.110 -18 23 43.44 L F51
2015-09-06 06:58:30 C 20 41 53.274 -18 20 20.14 L F51
2015-09-06 07:14:39 C 20 41 52.842 -18 20 17.73 L F51
2015-09-06 07:30:31 C 20 41 52.411 -18 20 15.33 L F51
2016-11-19 08:03:14 C 03 37 16.71 +34 36 16.7 q G96
2016-11-19 08:36:19 C 03 37 13.93 +34 36 10.5 q G96
2016-11-19 08:42:41 C 03 37 13.37 +34 36 09.6 q G96
2016-11-19 08:55:28 C 03 37 12.31 +34 36 07.8 q G96
2016-11-19 10:05:17 C 03 37 06.47 +34 35 55.2 q G96
2016-11-19 10:07:12 C 03 37 06.31 +34 35 55.1 q G96
2016-11-19 10:09:27 C 03 37 06.15 +34 35 54.8 q G96
2016-11-19 10:11:27 C 03 37 05.94 +34 35 54.0 q G96
2016-11-19 10:25:58 C 03 37 04.75 +34 35 51.4 q G96
2016-11-19 10:27:59 C 03 37 04.60 +34 35 51.6 q G96
2016-11-19 10:30:06 C 03 37 04.40 +34 35 51.2 q G96
2016-11-19 10:32:19 C 03 37 04.18 +34 35 50.0 q G96
2016-11-28 11:55:50 C 03 19 04.261 +33 45 06.52 L F51
2016-11-28 12:13:01 C 03 19 02.814 +33 45 01.15 L F51
2016-11-28 12:30:01 C 03 19 01.399 +33 44 55.82 L F51
2016-12-18 03:58:53 C 02 46 01.38 +30 40 50.0 q G96
2016-12-18 04:05:02 C 02 46 01.03 +30 40 48.9 q G96
2016-12-18 04:11:12 C 02 46 00.71 +30 40 44.7 q G96
2016-12-18 04:17:21 C 02 46 00.38 +30 40 42.1 q G96
2016-12-30 02:00:09 C 02 34 49.74 +28 40 42.9 q G96
2016-12-30 02:08:04 C 02 34 49.47 +28 40 38.7 q G96
2016-12-30 02:15:58 C 02 34 49.26 +28 40 36.3 q G96
2016-12-30 02:22:11 C 02 34 49.12 +28 40 34.0 q G96
2018-10-09 06:25:48 C 02 36 38.86 +27 22 28.3 u H21
2018-10-09 06:38:15 C 02 36 38.23 +27 22 27.8 u H21
2018-10-18 05:31:12 C 02 24 45.20 +27 04 02.9 u H21
2018-10-18 05:39:25 C 02 24 44.71 +27 04 01.8 u H21
2018-10-18 05:45:15 C 02 24 44.33 +27 04 01.2 u H21
2018-10-19 05:18:40 C 02 23 19.01 +27 00 43.4 u H21
2018-10-19 05:29:46 C 02 23 18.34 +27 00 41.7 u H21
2018-10-19 05:36:46 C 02 23 17.91 +27 00 40.6 u H21
2018-11-01 05:59:32 C 02 03 15.83 +25 53 28.9 V G96
2018-11-01 06:07:33 C 02 03 15.24 +25 53 26.7 V G96
2018-11-01 06:15:35 C 02 03 14.73 +25 53 25.0 V G96
2018-11-01 06:23:38 C 02 03 14.25 +25 53 22.1 V G96
2020-09-17 10:03:42 C 01 36 32.337 +19 57 00.30 U F51
2020-09-17 10:24:13 C 01 36 31.424 +19 56 59.15 U F51
2020-09-17 10:44:41 C 01 36 30.500 +19 56 57.85 U F51
2022-08-31 09:43:33 C 00 40 32.492 +11 41 25.21 U F51
2022-08-31 10:00:19 C 00 40 31.717 +11 41 23.45 U F51
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)