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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06082034976258625 5.8873e-08  
a 2.596459041126538 1.6269e-08 au
q 2.438541494100992 1.6116e-07 au
i 13.36088959360975 4.3551e-06 deg
node 186.8662420697003 1.626e-05 deg
peri 347.5933456713132 3.5548e-05 deg
M 310.8808521738292 3.0529e-05 deg
tp 2459409.006195360761
(2021-Jul-13.50619536)
0.00012937 TDB
period 1528.166380156142
4.18
1.4363e-05
3.932e-08
d
yr
n .2355764429022556 2.2141e-09 deg/d
Q 2.754376588152083 1.7259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:38:44  

Additional Information
 Earth MOID = 1.44263 au 
 Jupiter MOID = 2.20604 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457677.5 (2016-Oct-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06055868729982118 5.9266e-08  
q 2.438289901012757 1.6215e-07 au
tp 2457886.749785838325
(2017-May-13.24978584)
0.00013145 TDB
node 186.9003779008222 1.6246e-05 deg
peri 348.924186836374 3.5349e-05 deg
i 13.36736735958586 4.3578e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:38:44  

Additional Information
 Jupiter MOID = 2.20604 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.512494364618771E-15 -9.578368565289513E-15 2.454199205888444E-13 -3.923476600167737E-14 2.654314653460344E-13 -4.551416418219225E-15
q -9.578368565289513E-15 2.629287432970531E-14 -1.041800892163733E-12 1.068287205945322E-13 -8.160120008776662E-13 1.280412224149502E-14
tp 2.454199205888444E-13 -1.041800892163733E-12 1.728020275960135E-8 -5.520495023682125E-12 4.115554740401489E-9 7.578232541801775E-12
node -3.923476600167737E-14 1.068287205945322E-13 -5.520495023682125E-12 2.639483865582658E-10 -2.596471690188622E-10 -4.863109570358796E-12
peri 2.654314653460344E-13 -8.160120008776662E-13 4.115554740401489E-9 -2.596471690188622E-10 1.249556746647512E-9 6.372294501313036E-12
i -4.551416418219225E-15 1.280412224149502E-14 7.578232541801775E-12 -4.863109570358796E-12 6.372294501313036E-12 1.898998927936731E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.90   n/a MPCxxxxx  

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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