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
2015-02-18 18:51:16 C 04 20 38.71 +25 24 20.0 q 113
2015-02-18 18:52:50 C 04 20 38.03 +25 24 12.4 q 113
2015-02-18 18:53:57 C 04 20 38.14 +25 24 07.4 q C23
2015-02-18 18:58:34 C 04 20 36.11 +25 23 44.9 q C23
2015-02-18 19:04:56 C 04 20 33.32 +25 23 14.2 q C23
2015-02-18 20:21:40 C 04 19 58.84 +25 17 08.1 q 160
2015-02-18 20:24:08 C 04 19 57.78 +25 16 56.7 q 160
2015-02-18 20:26:36 C 04 19 56.66 +25 16 44.4 q 160
2015-02-19 02:26:16 C 04 17 26.70 +24 47 46.2 q 703
2015-02-19 02:33:31 C 04 17 23.41 +24 47 09.8 q 703
2015-02-19 02:40:48 C 04 17 20.14 +24 46 33.6 q 703
2015-02-19 02:48:05 C 04 17 16.81 +24 45 57.1 q 703
2015-02-21 19:22:43 C 03 48 44.54 +18 47 34.3 v B18
2015-02-21 19:24:56 C 03 48 43.50 +18 47 20.4 v B18
2015-02-21 19:30:26 C 03 48 40.94 +18 46 46.3 v B18
2015-02-21 19:33:12 C 03 48 39.68 +18 46 29.3 v B18
2015-02-21 19:35:59 C 03 48 38.38 +18 46 11.8 v B18
2015-02-21 19:38:43 C 03 48 37.09 +18 45 54.7 v B18
2015-02-22 18:14:25 C 03 38 14.42 +16 23 11.2 q K38
2015-02-22 18:47:37 C 03 37 58.23 +16 19 33.2 q K38
2015-02-22 19:20:33 C 03 37 42.26 +16 15 56.9 q K38
2015-02-22 19:53:54 C 03 37 26.11 +16 12 16.7 q K38
2015-02-22 23:19:18 C 03 35 52.01 +15 49 58.4 q I15
2015-02-22 23:24:05 C 03 35 49.65 +15 49 26.6 q I15
2015-02-22 23:28:14 C 03 35 47.59 +15 48 58.8 q I15
2015-02-23 20:10:26 C 03 25 58.28 +13 28 28.7 q C23
2015-02-23 20:12:45 C 03 25 57.17 +13 28 13.3 q C23
2015-02-23 20:15:38 C 03 25 55.72 +13 27 52.8 q C23
2015-02-23 20:18:32 C 03 25 54.33 +13 27 32.7 q C23
2015-02-24 00:26:35 C 03 23 57.33 +12 59 08.3 q H21
2015-02-24 00:30:30 C 03 23 55.40 +12 58 40.7 q H21
2015-02-24 00:32:55 C 03 23 54.16 +12 58 23.9 q H21
2015-02-24 00:34:43 C 03 23 53.27 +12 58 11.3 q H21
2015-02-24 00:36:30 C 03 23 52.36 +12 57 58.7 q H21
2015-02-24 00:38:16 C 03 23 51.49 +12 57 46.4 q H21
2015-02-24 00:40:03 C 03 23 50.59 +12 57 33.7 q H21
2015-02-26 02:45:28 C 02 59 25.09 +06 51 24.2 q 703
2015-02-26 02:52:41 C 02 59 21.35 +06 50 28.8 q 703
2015-02-26 02:59:57 C 02 59 17.65 +06 49 33.7 q 703
2015-02-26 03:07:11 C 02 59 13.92 +06 48 39.0 q 703
2015-02-26 18:21:55 C 02 51 41.71 +04 51 55.5 q K38
2015-02-26 18:55:05 C 02 51 24.68 +04 47 40.3 q K38
2015-05-29 08:45:31 S 23 03 08.388 -21 48 33.26 L C51
2015-05-29 11:54:35 S 23 03 10.56 -21 47 18.1 L C51
2015-05-29 15:03:26 S 23 03 12.71 -21 46 03.7 L C51
2015-05-29 18:12:29 S 23 03 14.79 -21 44 49.9 L C51
2015-05-29 19:46:55 S 23 03 15.852 -21 44 12.73 L C51
2015-05-29 21:21:22 S 23 03 16.90 -21 43 36.3 L C51
2015-05-29 21:21:32 S 23 03 16.88 -21 43 35.9 L C51
2015-05-29 22:55:58 S 23 03 17.91 -21 42 59.2 L C51
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)