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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942011151023886 5.7307e-08  
a 2.29224631505839 1.8985e-08 au
q 1.847089524584709 1.3445e-07 au
i 6.499563387173927 9.7026e-06 deg
node 63.76659774570315 4.7353e-05 deg
peri 280.5845178159763 5.6618e-05 deg
M 326.2196943415591 3.7051e-05 deg
tp 2459119.446433843887
(2020-Sep-26.94643384)
0.00013128 TDB
period 1267.623704082721
3.47
1.5748e-05
4.312e-08
d
yr
n .2839959515118908 3.5282e-09 deg/d
Q 2.73740310553207 2.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   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      .62657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:00  

Additional Information
 Earth MOID = .853371 au 
 Jupiter MOID = 2.69321 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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