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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06088944853906333 5.9579e-08  
a 2.596125509267133 1.9045e-08 au
q 2.438048858669662 1.6188e-07 au
i 13.36103662898639 5.8598e-06 deg
node 186.8739747047418 1.7795e-05 deg
peri 347.7241100632147 4.0803e-05 deg
M 263.6340870449715 3.7785e-05 deg
tp 2459409.485483151949
(2021-Jul-13.98548315)
0.00016139 TDB
period 1527.871935415716
4.18
1.6813e-05
4.603e-08
d
yr
n .2356218421552774 2.5928e-09 deg/d
Q 2.754202159864604 2.0205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:02:22  

Additional Information
 Earth MOID = 1.44257 au 
 Jupiter MOID = 2.20717 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457159.5 (2015-May-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06033103608393941 6e-08  
q 2.43952316617932 1.6291e-07 au
tp 2457886.011853306622
(2017-May-12.51185331)
0.00015848 TDB
node 186.8986664883845 1.7779e-05 deg
peri 348.6962585197567 4.0754e-05 deg
i 13.36639700527417 5.8621e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:02:22  

Additional Information
 Jupiter MOID = 2.20717 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.600002341570748E-15 -9.722859657290215E-15 1.050150481665101E-12 -2.853063888097952E-14 4.24100640275771E-13 3.792974891746175E-15
q -9.722859657290215E-15 2.654087256935524E-14 -2.317543050588936E-12 7.503186632715948E-14 -1.054338266697798E-12 -8.989533357738161E-15
tp 1.050150481665101E-12 -2.317543050588936E-12 2.511437116859111E-8 -5.038110876487915E-11 5.800921641761451E-9 1.421179804200645E-12
node -2.853063888097952E-14 7.503186632715948E-14 -5.038110876487915E-11 3.160838500264372E-10 -3.195259430049388E-10 2.222092938969392E-11
peri 4.24100640275771E-13 -1.054338266697798E-12 5.800921641761451E-9 -3.195259430049388E-10 1.660907853733508E-9 -2.114847411112706E-11
i 3.792974891746175E-15 -8.989533357738161E-15 1.421179804200645E-12 2.222092938969392E-11 -2.114847411112706E-11 3.436384676071569E-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 15.8   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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