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JPL Small-Body Database Browser
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233680 (2008 RU91)
Classification: Main-belt Asteroid          SPK-ID: 2233680
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13313392268306 5.6361e-08  
a 2.456432661797188 2.3088e-08 au
q 2.129398145725338 1.3492e-07 au
i 2.38187845463516 5.7934e-06 deg
node 350.1290508935368 0.00010173 deg
peri 177.1576483138366 0.00010301 deg
M 110.9281253700095 1.5411e-05 deg
tp 2458167.193808431761
(2018-Feb-17.69380843)
6.0038e-05 TDB
period 1406.227937633024
3.85
1.9826e-05
5.428e-08
d
yr
n .2560040163943517 3.6093e-09 deg/d
Q 2.783467177869038 2.6162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      6467 days (17.71 yr)  
   first obs. used      2000-08-31  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:09:22  

Additional Information
 Earth MOID = 1.13661 au 
 Jupiter MOID = 2.1893 au 
 T_jup = 3.479 
[ 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 16.8   n/a MPO437098  

233680 (2008 RU91)          Discovered 2008-Sep-06 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 RU91 = 2004 SS61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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