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117185 (2004 RS90)
Classification: Main-belt Asteroid          SPK-ID: 2117185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .283540892732864 4.181e-08  
a 2.801515530598573 1.5768e-08 au
q 2.00717131604767 1.2027e-07 au
i 9.14335507911591 4.8339e-06 deg
node 211.0541610325093 3.597e-05 deg
peri 165.5820145836244 3.733e-05 deg
M 102.9504070141043 1.1508e-05 deg
tp 2458510.705904223566
(2019-Jan-27.20590422)
5.2365e-05 TDB
period 1712.726346534595
4.69
1.446e-05
3.959e-08
d
yr
n .2101911964677823 1.7745e-09 deg/d
Q 3.595859745149475 2.0239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:09:35  

Additional Information
 Earth MOID = 1.01068 au 
 Jupiter MOID = 1.88128 au 
 T_jup = 3.247 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO453642  
diameter diameter 2.625 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117185 (2004 RS90)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 RS90 = 2000 WU24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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