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212540 (2006 RR99)
Classification: Main-belt Asteroid          SPK-ID: 2212540
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07976581629411261 6.9533e-08  
a 2.761883258533654 2.4086e-08 au
q 2.541579385907673 1.8364e-07 au
i 3.343483305486367 7.8283e-06 deg
node 15.49800562638315 7.4865e-05 deg
peri 323.9542505366171 8.3892e-05 deg
M 7.08638778499387 3.6189e-05 deg
tp 2458967.498869558439
(2020-Apr-27.99886956)
0.00016849 TDB
period 1676.510984075666
4.59
2.1931e-05
6.004e-08
d
yr
n .2147316679815753 2.809e-09 deg/d
Q 2.982187131159635 2.6007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:49:20  

Additional Information
 Earth MOID = 1.53375 au 
 Jupiter MOID = 2.32234 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457439.5 (2016-Feb-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08196808790060764 6.9916e-08  
q 2.535915600426908 1.8556e-07 au
tp 2457293.502150454433
(2015-Sep-28.00215045)
0.00016263 TDB
node 15.62297612960088 7.469e-05 deg
peri 324.5561726667249 8.3203e-05 deg
i 3.348420036713655 7.8359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:49:20  

Additional Information
 Jupiter MOID = 2.32234 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.888250621716922E-15 -1.2898086093176E-14 5.196543076216237E-12 -1.512066570315213E-14 1.199985158656479E-12 -2.103408287701686E-15
q -1.2898086093176E-14 3.443334141245643E-14 -1.456421941131944E-11 3.767629884862996E-14 -3.344012739189488E-12 6.225996838841957E-15
tp 5.196543076216237E-12 -1.456421941131944E-11 2.644782548191026E-8 -2.975986274308063E-11 5.972945879537666E-9 -3.221888837756777E-13
node -1.512066570315213E-14 3.767629884862996E-14 -2.975986274308063E-11 5.578575831575459E-9 -5.575224005839619E-9 -6.510225663932885E-11
peri 1.199985158656479E-12 -3.344012739189488E-12 5.972945879537666E-9 -5.575224005839619E-9 6.922678223578178E-9 6.49449037103331E-11
i -2.103408287701686E-15 6.225996838841957E-15 -3.221888837756777E-13 -6.510225663932885E-11 6.49449037103331E-11 6.140101137379843E-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 16.4   n/a MPO437020  

212540 (2006 RR99)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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