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212746 (2007 SF20)
Classification: Main-belt Asteroid          SPK-ID: 2212746
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017660981327357 4.2267e-08  
a 2.579484560779171 1.8741e-08 au
q 2.059032025757124 1.0623e-07 au
i 2.871960433405324 7.2607e-06 deg
node 205.1330140799375 7.26e-05 deg
peri 104.3296557152337 7.5323e-05 deg
M 140.1885530527558 1.7563e-05 deg
tp 2458611.238755666683
(2019-May-07.73875567)
7.4061e-05 TDB
period 1513.205203567253
4.14
1.6491e-05
4.515e-08
d
yr
n .237905605367554 2.5927e-09 deg/d
Q 3.099937095801218 2.2522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      9649 days (26.42 yr)  
   first obs. used      1994-08-10  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:39:53  

Additional Information
 Earth MOID = 1.04487 au 
 Jupiter MOID = 2.17795 au 
 T_jup = 3.395 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.79   n/a MPCxxxxx  

212746 (2007 SF20)          Discovered 2007-Sep-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 SF20 = 1994 PF34 = 2005 EQ190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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