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245235 (2004 XK129)
Classification: Main-belt Asteroid          SPK-ID: 2245235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09796779227558065 8.7053e-08  
a 3.02477421926221 3.6786e-08 au
q 2.728443766868998 2.808e-07 au
i 12.81384385646437 7.4177e-06 deg
node 75.0857808939963 2.5307e-05 deg
peri 343.9337722293888 4.13e-05 deg
M 22.21333599875392 3.0021e-05 deg
tp 2458881.937006454961
(2020-Feb-02.43700645)
0.00015994 TDB
period 1921.488860502922
5.26
3.5053e-05
9.597e-08
d
yr
n .1873547161266265 3.4178e-09 deg/d
Q 3.321104671655422 4.039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      5974 days (16.36 yr)  
   first obs. used      2003-09-18  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5838  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:41:15  

Additional Information
 Earth MOID = 1.74388 au 
 Jupiter MOID = 1.9957 au 
 T_jup = 3.200 
[ 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 15.3   n/a MPO413142  
diameter diameter 3.310 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245235 (2004 XK129)          Discovered 2004-Dec-14 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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