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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284999502142386 3.8664e-08  
a 2.754369749199574 1.996e-08 au
q 2.400433373555824 1.0755e-07 au
i 10.102747561117 4.196e-06 deg
node 79.64840215710457 2.416e-05 deg
peri 233.2849498383956 2.9838e-05 deg
M 215.2265365393489 1.9951e-05 deg
tp 2459671.957068875844
(2022-Apr-02.45706888)
9.5235e-05 TDB
period 1669.67439347753
4.57
1.8149e-05
4.969e-08
d
yr
n .2156109007877917 2.3437e-09 deg/d
Q 3.108306124843324 2.2525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:10:50  

Additional Information
 Earth MOID = 1.4016 au 
 Jupiter MOID = 2.15057 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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