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JPL Small-Body Database Browser
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117258 (2004 SL54)
Classification: Main-belt Asteroid          SPK-ID: 2117258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281727800871438 3.9023e-08  
a 2.755105512923755 2.124e-08 au
q 2.401975979898902 1.079e-07 au
i 10.10321375621672 4.6334e-06 deg
node 79.65183877829313 2.4868e-05 deg
peri 233.2169889102294 3.1254e-05 deg
M 129.0870555967173 2.0339e-05 deg
tp 2458001.556336490155
(2017-Sep-05.05633649)
9.3366e-05 TDB
period 1670.343458271795
4.57
1.9316e-05
5.288e-08
d
yr
n .2155245367156229 2.4923e-09 deg/d
Q 3.108235045948609 2.3962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5889  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:49:52  

Additional Information
 Earth MOID = 1.40233 au 
 Jupiter MOID = 2.1485 au 
 T_jup = 3.310 
[ 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 14.7   n/a MPO325290  
diameter diameter 3.510 km 0.865 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117258 (2004 SL54)          Discovered 2004-Sep-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 SL54 = 2000 YB130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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