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215709 (2004 BV21)
Classification: Main-belt Asteroid          SPK-ID: 2215709
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03240308029710738 4.4769e-08  
a 2.529242279795313 2.0319e-08 au
q 2.447287039112267 1.1578e-07 au
i 5.008868893683901 5.795e-06 deg
node 87.03489924446549 5.433e-05 deg
peri 67.94230318335219 0.00010412 deg
M 346.5129895670349 8.8234e-05 deg
tp 2459055.542388218258
(2020-Jul-25.04238822)
0.00036018 TDB
period 1469.210679198435
4.02
1.7705e-05
4.847e-08
d
yr
n .2450295285060186 2.9528e-09 deg/d
Q 2.61119752047836 2.0978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-05-23  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:19  

Additional Information
 Earth MOID = 1.46233 au 
 Jupiter MOID = 2.36825 au 
 T_jup = 3.446 
[ 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 16.3   n/a MPO413071  

215709 (2004 BV21)          Discovered 2004-Jan-19 by LONEOS at Anderson Mesa
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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