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212229 (2005 JV21)
Classification: Main-belt Asteroid          SPK-ID: 2212229
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06082034590660756 5.8972e-08  
a 2.596459037950011 1.7055e-08 au
q 2.438541501129553 1.6123e-07 au
i 13.36088899349134 4.8044e-06 deg
node 186.8662409281541 1.705e-05 deg
peri 347.5933370901417 3.7189e-05 deg
M 310.8808638488343 3.2642e-05 deg
tp 2459409.006145418822
(2021-Jul-13.50614542)		 0.00013857 TDB
period 1528.166377351787
4.18		 1.5057e-05
4.122e-08		 d
yr
n .2355764433345645 2.3211e-09 deg/d
Q 2.754376574770467 1.8092e-08 au
   Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:04  

Additional Information
 Earth MOID = 1.44263 au 
 Jupiter MOID = 2.20604 au 
 T_jup = 3.376 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO413064  

212229 (2005 JV21)          Discovered 2005-May-06 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2005 JV21 = 2002 RE177 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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