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(2005 RW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 3290875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4560103207729799 6.9984e-05  
a 3.350126127596839 0.00050737 au
q 1.822434037521463 4.4403e-05 au
i 41.33833696788571 0.0027806 deg
node 181.8478011423518 0.00023346 deg
peri 204.5475494097358 0.0033955 deg
M 132.3202480209903 0.19433 deg
tp 2458177.283684440034
(2018-Feb-27.78368444)
1.022 TDB
period 2239.701618111959
6.13
0.5088
0.001393
d
yr
n .1607356967056512 3.6515e-05 deg/d
Q 4.877818217672215 0.00073873 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      68 days  
   first obs. used      2005-09-01  
   last obs. used      2005-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .53883  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-08 20:10:29  

Additional Information
 Earth MOID = .854787 au 
 Jupiter MOID = .820387 au 
 T_jup = 2.626 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO90242  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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