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
2004-02-01 03:03:48 C 12 32 06.60 +12 37 38.8 c A50
2004-02-01 03:04:51 C 12 32 07.14 +12 37 33.6 c A50
2004-02-03 07:12:32 C 12 59 29.16 +07 44 01.7 c H41
2004-02-03 07:17:55 C 12 59 32.20 +07 43 28.0 c H41
2004-02-03 07:21:19 C 12 59 34.00 +07 43 07.2 c H41
2004-02-03 07:24:03 C 12 59 35.49 +07 42 50.3 c H41
2004-02-03 07:25:57 C 12 59 36.55 +07 42 38.3 c H41
2004-02-04 18:05:24 C 13 20 15.36 +03 48 43.5 o 379
2004-02-04 18:10:22 C 13 20 18.37 +03 48 07.2 o 379
2004-02-04 18:12:00 C 13 20 19.42 +03 47 55.6 o 379
2004-02-04 18:13:39 C 13 20 20.31 +03 47 44.9 o 379
2004-02-10 03:44:28 C 14 54 14.10 -13 53 21.1 c 204
2004-02-10 03:46:01 C 14 54 15.33 -13 53 33.5 c 204
2004-02-10 03:47:35 C 14 54 16.52 -13 53 47.4 c 204
2004-07-27 05:02:36 C 22 23 25.08 -14 18 46.9 r 859
2004-07-27 05:05:21 C 22 23 24.87 -14 18 43.6 r 859
2004-07-27 05:13:35 C 22 23 23.91 -14 18 44.8 r 859
2004-08-08 06:58:07 C 21 57 21.41 -14 56 20.4 18.7 c 704
2004-08-08 07:11:40 C 21 57 20.10 -14 56 22.0 19.7 c 704
2004-08-08 07:25:06 C 21 57 18.91 -14 56 24.1 19.4 c 704
2004-08-08 07:38:43 C 21 57 17.68 -14 56 25.8 19.3 c 704
2004-08-08 07:52:14 C 21 57 16.41 -14 56 27.3 19.0 c 704
2004-08-08 22:34:48 C 21 55 57.64 -14 58 10.1 c 246
2004-08-08 22:37:18 C 21 55 57.41 -14 58 11.1 c 246
2004-08-08 22:39:10 C 21 55 57.26 -14 58 11.0 c 246
2004-08-08 22:41:04 C 21 55 57.13 -14 58 11.2 c 246
2004-08-08 22:45:48 C 21 55 56.64 -14 58 12.0 c 246
2004-08-08 22:47:40 C 21 55 56.44 -14 58 11.1 c 246
2004-08-08 22:48:58 C 21 55 56.41 -14 58 12.1 c 246
2004-08-12 05:03:42 C 21 49 03.77 -15 06 36.6 19.0 c 704
2004-08-12 05:17:47 C 21 49 02.53 -15 06 38.6 19.6 c 704
2004-08-12 05:31:56 C 21 49 01.26 -15 06 39.9 19.2 c 704
2004-08-12 05:46:14 C 21 49 00.00 -15 06 41.6 19.4 c 704
2004-08-19 09:26:55 C 21 34 57.53 -15 20 52.7 c 568
2004-08-19 10:11:33 C 21 34 53.99 -15 20 55.7 c 568
2004-08-20 09:35:32 C 21 33 08.28 -15 22 21.1 c 568
2007-11-15 05:16:54 C 01 56 12.97 +25 38 49.1 t 568
2007-11-15 07:04:59 C 01 56 06.21 +25 38 11.3 t 568
2011-09-04 10:23:16 C 00 48 37.049 +13 04 47.96 L F51
2011-09-04 10:44:39 C 00 48 36.062 +13 04 45.82 L F51
2011-09-04 11:06:06 C 00 48 35.072 +13 04 43.85 L F51
2011-09-04 11:27:43 C 00 48 34.043 +13 04 41.78 L F51
2012-11-15 11:48:52 C 11 41 01.64 +04 57 09.3 r G96
2012-11-15 11:53:20 C 11 41 02.40 +04 57 02.8 r G96
2012-11-15 11:57:46 C 11 41 03.12 +04 56 57.3 r G96
2012-11-15 12:02:13 C 11 41 03.87 +04 56 50.2 r G96
2013-08-15 12:09:31 C 23 48 55.541 +02 45 33.10 L F51
2013-08-15 12:31:54 C 23 48 54.352 +02 45 30.24 L F51
2013-08-15 12:54:20 C 23 48 53.156 +02 45 27.33 L F51
2013-08-15 13:16:43 C 23 48 51.954 +02 45 24.32 L 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)