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187456 (2005 XK5)
Classification: Jupiter Trojan          SPK-ID: 2187456
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09480111151151564 5.2771e-08  
a 5.191044937035173 1.085e-07 au
q 4.698928107098013 3.3561e-07 au
i 7.732842824651638 4.5092e-06 deg
node 165.8537874572581 4.5185e-05 deg
peri 136.3129422851967 5.6297e-05 deg
M 330.6254004130956 3.2873e-05 deg
tp 2459552.992648660030
(2021-Dec-04.49264866)
0.00039475 TDB
period 4319.968792840452
11.83
0.00013544
3.708e-07
d
yr
n .08333393532764249 2.6128e-09 deg/d
Q 5.683161766972333 1.1879e-07 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      2000-10-27  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:50:45  

Additional Information
 Earth MOID = 3.68717 au 
 Jupiter MOID = .00342262 au 
 T_jup = 2.973 
[ 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 13.26   n/a E2021B55  
diameter diameter 13.578 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.050   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

187456 (2005 XK5)          Discovered 2005-Dec-04 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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