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JPL Small-Body Database Browser
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215678 (2003 WR)
Classification: Main-belt Asteroid          SPK-ID: 2215678
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194448050838864 6.0372e-08  
a 2.29119051348939 2.1047e-08 au
q 1.845672984040882 1.4392e-07 au
i 6.501752447671725 9.9719e-06 deg
node 63.77135028019358 4.9979e-05 deg
peri 280.7496161767085 5.9024e-05 deg
M 212.4287586830599 3.7325e-05 deg
tp 2459119.765489477538
(2020-Sep-27.26548948)
0.00013538 TDB
period 1266.748009596466
3.47
1.7454e-05
4.779e-08
d
yr
n .2841922760270855 3.9158e-09 deg/d
Q 2.736708042937897 2.5139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      6212 days (17.01 yr)  
   first obs. used      2002-04-08  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:00:59  

Additional Information
 Earth MOID = .851125 au 
 Jupiter MOID = 2.69119 au 
 T_jup = 3.564 
[ 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 17.0   n/a MPO268204  

215678 (2003 WR)          Discovered 2003-Nov-16 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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