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190353 (1998 XK99)
Classification: Jupiter Trojan          SPK-ID: 2190353
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07078747966077237 7.8226e-08  
a 5.15519522094254 1.321e-07 au
q 4.790271944092759 4.9613e-07 au
i 18.67361741738241 6.0839e-06 deg
node 232.9828123845702 2.0267e-05 deg
peri 194.7867068316337 5.6296e-05 deg
M 312.1926485021108 5.4906e-05 deg
tp 2459768.251493042150
(2022-Jul-07.75149304)
0.00066158 TDB
period 4275.295139581164
11.71
0.00016433
4.499e-07
d
yr
n .08420471294883936 3.2366e-09 deg/d
Q 5.52011849779232 1.4145e-07 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:38  

Additional Information
 Earth MOID = 3.80587 au 
 Jupiter MOID = .119625 au 
 T_jup = 2.891 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.55   n/a E2021B55  
diameter diameter 13.098 km 0.898 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.086   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

190353 (1998 XK99)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 1998 XK99 = 2000 YO100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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