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JPL Small-Body Database Browser
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117222 (2004 RD308)
Classification: Main-belt Asteroid          SPK-ID: 2117222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411617050813071 4.7612e-08  
a 2.744822317850389 2.6435e-08 au
q 2.357358519317403 1.285e-07 au
i 4.05293508762902 6.3652e-06 deg
node 257.5601374472376 9.5176e-05 deg
peri 38.56998404791178 9.9002e-05 deg
M 139.2167211740256 2.7753e-05 deg
tp 2457958.169296929065
(2017-Jul-23.66929693)
0.00012585 TDB
period 1661.000569152033
4.55
2.3995e-05
6.569e-08
d
yr
n .2167368312123973 3.131e-09 deg/d
Q 3.132286116383376 3.0167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      1999-08-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:04:38  

Additional Information
 Earth MOID = 1.34234 au 
 Jupiter MOID = 2.05486 au 
 T_jup = 3.330 
[ 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 15.6   n/a MPO417610  

117222 (2004 RD308)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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