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JPL Small-Body Database Browser
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442356 (2011 SG230)
Classification: Main-belt Asteroid          SPK-ID: 2442356
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2769181407633768 4.0907e-07  
a 2.58987018333456 1.5888e-07 au
q 1.872688147347048 1.1709e-06 au
i 4.703137246872942 9.2621e-06 deg
node 132.1219610429415 9.3852e-05 deg
peri 270.3488044703103 0.00015043 deg
M 275.6285373172973 0.00014665 deg
tp 2458957.286569488659
(2020-Apr-17.78656949)
0.00065259 TDB
period 1522.353185922065
4.17
0.00014009
3.835e-07
d
yr
n .2364760052588938 2.1761e-08 deg/d
Q 3.307052219322072 2.0288e-07 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4302 days (11.78 yr)  
   first obs. used      2007-10-14  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .62825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:04  

Additional Information
 Earth MOID = .887906 au 
 Jupiter MOID = 2.1241 au 
 T_jup = 3.360 
[ 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 18.1   n/a MPO258402  

442356 (2011 SG230)          Discovered 2007-Oct-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SG230 = 2007 TQ360 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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