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
1993-08-13 09:45:37 C 22 23 57.00 -10 11 34.6 a 691
1993-08-13 10:12:29 C 22 23 54.68 -10 11 40.1 a 691
1993-08-13 10:38:34 C 22 23 52.52 -10 11 44.7 a 691
2002-09-13 10:05:39 C 23 20 52.45 +02 05 08.7 o 644
2002-09-13 10:20:46 C 23 20 51.47 +02 05 04.7 o 644
2002-09-13 10:35:53 C 23 20 50.47 +02 04 59.5 o 644
2002-10-05 06:17:05 C 22 52 49.262 -00 19 28.24 645
2002-10-05 06:21:52 C 22 52 49.068 -00 19 29.39 645
2003-12-17 09:46:35 C 09 22 59.78 +30 54 33.2 o 704
2003-12-17 10:23:29 C 09 23 02.76 +30 54 29.4 o 704
2003-12-17 10:41:26 C 09 23 04.19 +30 54 28.6 o 704
2003-12-28 08:33:24 C 09 46 34.34 +30 22 09.8 18.5 c 704
2003-12-28 08:52:30 C 09 46 36.11 +30 22 06.8 18.9 c 704
2003-12-28 09:11:40 C 09 46 37.81 +30 22 04.2 18.9 c 704
2003-12-28 09:30:52 C 09 46 39.55 +30 22 00.5 18.7 c 704
2003-12-28 09:50:20 C 09 46 41.29 +30 21 57.3 18.7 c 704
2003-12-29 06:59:36 C 09 48 44.54 +30 18 02.5 r H36
2003-12-29 07:06:55 C 09 48 45.16 +30 18 01.5 r H36
2003-12-29 07:15:23 C 09 48 46.32 +30 18 00.9 c 854
2003-12-29 07:18:34 C 09 48 46.63 +30 18 00.5 c 854
2003-12-29 07:28:05 C 09 48 47.47 +30 17 59.3 c 854
2003-12-29 08:25:58 C 09 48 52.76 +30 17 50.3 18.7 c 704
2003-12-29 08:45:32 C 09 48 54.57 +30 17 46.2 18.6 c 704
2003-12-29 09:04:58 C 09 48 56.35 +30 17 43.0 18.8 c 704
2003-12-29 09:44:26 C 09 49 00.00 +30 17 35.6 19.1 c 704
2003-12-29 09:48:43 C 09 49 00.35 +30 17 34.8 18.4 c 704
2003-12-29 09:51:31 C 09 49 00.66 +30 17 34.6 18.3 c 704
2003-12-29 10:10:52 C 09 49 02.40 +30 17 30.8 18.8 c 704
2003-12-29 10:13:15 C 09 49 02.67 +30 17 30.5 18.7 c 704
2003-12-29 10:43:56 C 09 49 05.61 +30 17 24.7 18.7 c 704
2003-12-29 10:45:13 C 09 49 05.53 +30 17 24.4 18.4 c 704
2003-12-29 10:46:38 C 09 49 05.71 +30 17 24.4 18.6 c 704
2003-12-29 11:04:59 C 09 49 07.35 +30 17 20.5 18.7 c 704
2003-12-29 11:08:24 C 09 49 07.74 +30 17 19.8 18.9 c 704
2003-12-29 11:10:16 C 09 49 07.87 +30 17 19.6 18.8 c 704
2003-12-29 11:24:25 C 09 49 09.09 +30 17 17.0 18.6 c 704
2003-12-29 11:31:08 C 09 49 09.67 +30 17 15.5 18.9 c 704
2003-12-29 11:33:45 C 09 49 10.06 +30 17 14.8 19.3 c 704
2003-12-29 11:43:44 C 09 49 10.85 +30 17 12.9 19.4 c 704
2003-12-29 12:03:03 C 09 49 12.65 +30 17 09.3 18.6 c 704
2003-12-30 07:42:04 C 09 51 10.25 +30 13 15.5 18.3 c 704
2003-12-30 07:59:14 C 09 51 11.86 +30 13 12.4 18.4 c 704
2003-12-30 08:16:22 C 09 51 13.47 +30 13 09.5 18.4 c 704
2003-12-30 08:33:37 C 09 51 15.08 +30 13 06.2 18.4 c 704
2003-12-30 08:51:05 C 09 51 16.74 +30 13 03.1 18.5 c 704
2003-12-30 08:54:35 C 09 51 17.12 +30 13 03.1 19.0 c 704
2003-12-30 09:11:52 C 09 51 18.68 +30 12 59.6 19.0 c 704
2003-12-30 09:29:23 C 09 51 20.33 +30 12 56.2 18.9 c 704
2003-12-30 09:46:51 C 09 51 21.97 +30 12 52.6 18.6 c 704
2003-12-30 10:04:11 C 09 51 23.52 +30 12 49.4 18.1 c 704
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)