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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07968698074674295 6.9491e-08  
a 2.761825035891645 2.3942e-08 au
q 2.541743537430674 1.8351e-07 au
i 3.343505856977116 7.8143e-06 deg
node 15.49746359833757 7.4644e-05 deg
peri 324.034086821155 8.3688e-05 deg
M 49.96889605652056 3.6241e-05 deg
tp 2458967.803460826810
(2020-Apr-28.30346083)		 0.00016846 TDB
period 1676.457971126557
4.59		 2.18e-05
5.969e-08		 d
yr
n .2147384582257585 2.7923e-09 deg/d
Q 2.981906534352615 2.585e-08 au
   Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:04  

Additional Information
 Earth MOID = 1.53206 au 
 Jupiter MOID = 2.32183 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08196773117722571 6.9845e-08  
q 2.535905121804565 1.8531e-07 au
tp 2457293.482505704845
(2015-Sep-27.98250570)		 0.00016264 TDB
node 15.62297033613943 7.447e-05 deg
peri 324.5511247146275 8.3001e-05 deg
i 3.34842080673143 7.8219e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:04  

Additional Information
 Jupiter MOID = 2.32183 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.87827173411359E-15 -1.286779781252075E-14 5.195940163384121E-12 -1.430811260337068E-14 1.198376280188152E-12 -2.162376503253957E-15
q -1.286779781252075E-14 3.434129401927237E-14 -1.456201208159286E-11 3.545719885820919E-14 -3.339291488098315E-12 6.384779749760633E-15
tp 5.195940163384121E-12 -1.456201208159286E-11 2.645075523614391E-8 -2.799347332764603E-11 5.971786076784414E-9 -4.663724458356132E-13
node -1.430811260337068E-14 3.545719885820919E-14 -2.799347332764603E-11 5.545706573305075E-9 -5.542002786601817E-9 -6.241671438668232E-11
peri 1.198376280188152E-12 -3.339291488098315E-12 5.971786076784414E-9 -5.542002786601817E-9 6.889184672108138E-9 6.223113830346299E-11
i -2.162376503253957E-15 6.384779749760633E-15 -4.663724458356132E-13 -6.241671438668232E-11 6.223113830346299E-11 6.118216747501172E-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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