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212542 (2006 SF4)
Classification: Main-belt Asteroid          SPK-ID: 2212542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354429491566544 4.9589e-08  
a 2.762517967789604 2.2183e-08 au
q 2.112102590354972 1.4637e-07 au
i 5.733361488040995 5.2611e-06 deg
node 307.5443467847127 4.9174e-05 deg
peri 349.717740153042 5.1006e-05 deg
M 35.43301041444203 1.1528e-05 deg
tp 2458835.432472903729
(2019-Dec-17.93247290)
5.3494e-05 TDB
period 1677.088936548196
4.59
2.02e-05
5.53e-08
d
yr
n .2146576679117306 2.5855e-09 deg/d
Q 3.412933345224236 2.7405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      21463 days (58.76 yr)  
   first obs. used      1960-09-28  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:56:23  

Additional Information
 Earth MOID = 1.09659 au 
 Jupiter MOID = 1.82088 au 
 T_jup = 3.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457200.5 (2015-Jun-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351643586727907 4.9684e-08  
q 2.113675507812336 1.4676e-07 au
tp 2457159.623686078483
(2015-May-17.12368608)
5.5834e-05 TDB
node 307.5956595765721 4.921e-05 deg
peri 350.0295834402219 5.1044e-05 deg
i 5.730196209348173 5.2593e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      21463 days (58.76 yr)  
   first obs. used      1960-09-28  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:56:23  

Additional Information
 Jupiter MOID = 1.82088 au 
 T_jup = 3.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.468522814016887E-15 -7.255731341122193E-15 1.423723949417142E-12 1.231401887686377E-14 3.511942359333119E-13 -3.177619975579454E-15
q -7.255731341122193E-15 2.15392195058488E-14 -4.20897275256533E-12 -2.878383106302888E-14 -1.042201939214108E-12 1.07701243450283E-14
tp 1.423723949417142E-12 -4.20897275256533E-12 3.117418384180188E-9 2.566329941079413E-11 7.8499221213089E-10 5.339057637166065E-13
node 1.231401887686377E-14 -2.878383106302888E-14 2.566329941079413E-11 2.421585540920409E-9 -2.401889556564062E-9 8.354497438606027E-11
peri 3.511942359333119E-13 -1.042201939214108E-12 7.8499221213089E-10 -2.401889556564062E-9 2.605465614102822E-9 -8.300349226480038E-11
i -3.177619975579454E-15 1.07701243450283E-14 5.339057637166065E-13 8.354497438606027E-11 -8.300349226480038E-11 2.765974219495321E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437020  

212542 (2006 SF4)          Discovered 2006-Sep-16 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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