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
2004-01-19 10:09:00 C 10 56 29.41 +25 54 33.2 c 932
2004-01-19 12:18:27 C 10 56 55.52 +25 52 06.1 c 691
2004-01-19 12:37:39 C 10 56 59.20 +25 51 42.4 c 691
2004-01-19 12:57:03 C 10 57 02.92 +25 51 18.3 c 691
2004-01-22 02:20:24 C 11 10 27.23 +24 26 35.6 r 939
2004-01-22 02:23:03 C 11 10 27.84 +24 26 31.5 r 939
2004-01-22 02:25:43 C 11 10 28.44 +24 26 27.5 r 939
2004-01-24 04:09:53 C 11 22 55.82 +22 58 12.7 o 084
2004-01-24 07:18:55 C 11 23 49.35 +22 52 26.4 15.5 d H72
2004-01-24 07:20:25 C 11 23 49.74 +22 52 23.9 15.9 d H72
2004-01-24 07:21:57 C 11 23 50.12 +22 52 21.0 15.5 d H72
2004-01-24 07:23:27 C 11 23 50.61 +22 52 17.9 15.3 d H72
2004-01-24 10:13:27 C 11 24 34.28 +22 46 33.2 16.1 d H72
2004-01-24 10:14:57 C 11 24 34.58 +22 46 30.7 16.1 d H72
2004-01-24 10:16:28 C 11 24 35.01 +22 46 27.8 16.3 d H72
2004-01-24 10:17:58 C 11 24 35.47 +22 46 24.1 16.0 d H72
2004-01-25 05:53:08 C 11 30 05.27 +22 04 13.3 r J95
2004-01-25 05:56:44 C 11 30 06.28 +22 04 05.0 r J95
2004-01-25 06:00:30 C 11 30 07.34 +22 03 56.5 r J95
2004-01-25 19:27:06 C 11 34 05.33 +21 33 13.1 o 379
2004-01-25 19:32:02 C 11 34 06.77 +21 33 00.7 o 379
2004-01-25 19:35:21 C 11 34 07.73 +21 32 52.4 o 379
2004-01-26 18:37:45 C 11 41 18.40 +20 34 47.1 o 379
2004-01-26 18:39:23 C 11 41 18.91 +20 34 42.7 o 379
2004-01-28 18:40:22 C 11 57 57.52 +18 10 27.0 o 379
2004-01-28 18:42:02 C 11 57 58.11 +18 10 21.3 o 379
2004-01-28 18:45:19 C 11 57 59.25 +18 10 10.1 o 379
2004-01-28 18:48:37 C 11 58 00.41 +18 09 58.9 o 379
2004-01-29 18:27:32 C 12 07 10.67 +16 45 18.4 o 379
2004-01-29 18:31:51 C 12 07 12.32 +16 45 02.2 o 379
2004-01-29 18:33:59 C 12 07 13.13 +16 44 53.9 o 379
2004-01-30 09:21:25 C 12 13 20.56 +15 46 38.6 15.9 c 704
2004-01-30 09:38:25 C 12 13 27.42 +15 45 29.6 16.1 c 704
2004-01-30 09:55:29 C 12 13 34.30 +15 44 20.7 16.0 c 704
2004-01-30 10:12:41 C 12 13 41.25 +15 43 10.5 16.1 c 704
2004-01-30 10:29:59 C 12 13 48.23 +15 42 00.0 15.9 c 704
2004-01-30 18:30:08 C 12 17 13.78 +15 08 28.6 o 379
2004-01-30 18:32:17 C 12 17 14.64 +15 08 18.9 o 379
2004-01-30 18:38:44 C 12 17 17.31 +15 07 51.9 o 379
2004-01-31 18:10:45 C 12 27 55.09 +13 21 22.0 o 379
2004-01-31 18:23:38 C 12 28 00.86 +13 20 20.7 o 379
2004-01-31 18:25:48 C 12 28 01.86 +13 20 10.0 o 379
2004-02-01 02:46:01 C 12 31 58.28 +12 39 07.5 c A50
2004-02-01 02:48:08 C 12 31 59.30 +12 38 56.9 c A50
2004-02-01 02:50:13 C 12 32 00.28 +12 38 46.4 c A50
2004-02-01 02:52:18 C 12 32 01.25 +12 38 36.0 c A50
2004-02-01 02:54:23 C 12 32 02.22 +12 38 25.6 c A50
2004-02-01 02:56:30 C 12 32 03.21 +12 38 14.9 c A50
2004-02-01 02:58:35 C 12 32 04.20 +12 38 04.6 c A50
2004-02-01 03:01:42 C 12 32 05.62 +12 37 48.8 c A50
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)