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JPL Small-Body Database Browser
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442313 (2011 SG97)
Classification: Main-belt Asteroid          SPK-ID: 2442313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2388787993024493 1.0464e-07  
a 2.650401131105824 3.482e-08 au
q 2.017276491237411 2.925e-07 au
i 9.486896847006946 1.3311e-05 deg
node 21.93276608817051 7.7067e-05 deg
peri 31.70994834971118 8.7901e-05 deg
M 247.1350554807362 4.8202e-05 deg
tp 2459094.608597693519
(2020-Sep-02.10859769)
0.0002182 TDB
period 1576.034932080318
4.31
3.1058e-05
8.503e-08
d
yr
n .2284213329743973 4.5013e-09 deg/d
Q 3.283525770974236 4.3137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:59  

Additional Information
 Earth MOID = 1.03397 au 
 Jupiter MOID = 2.15072 au 
 T_jup = 3.330 
[ 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 17.5   n/a MPO353532  

442313 (2011 SG97)          Discovered 2011-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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