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JPL Small-Body Database Browser
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20775 (2000 RU9)
Classification: Main-belt Asteroid          SPK-ID: 2020775
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136562842730209 3.4171e-08  
a 2.397236120136566 1.0265e-08 au
q 1.885051558183114 8.4702e-08 au
i 2.897967693042907 4.329e-06 deg
node 70.4276018893223 8.2155e-05 deg
peri 313.9790866112016 8.2903e-05 deg
M 20.82652903630205 1.1028e-05 deg
tp 2458522.070573123446
(2019-Feb-07.57057312)
4.1368e-05 TDB
period 1355.703277600633
3.71
8.7075e-06
2.384e-08
d
yr
n .2655448326695349 1.7056e-09 deg/d
Q 2.909420682090018 1.2458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      13905 days (38.07 yr)  
   first obs. used      1981-09-03  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56751  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:25:05  

Additional Information
 Earth MOID = .889608 au 
 Jupiter MOID = 2.54186 au 
 T_jup = 3.495 
[ 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 MPO266065  

20775 (2000 RU9)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RU9 = 1981 RC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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