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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2770202752172609 4.0839e-07  
a 2.589171531017006 1.5776e-07 au
q 1.871918520909978 1.168e-06 au
i 4.704019433399615 9.2649e-06 deg
node 132.1190065259688 9.383e-05 deg
peri 270.4319629471984 0.00015054 deg
M 10.18676917383407 0.00015538 deg
tp 2458957.440039588009
(2020-Apr-17.94003959)
0.00065289 TDB
period 1521.737214595416
4.17
0.00013908
3.808e-07
d
yr
n .2365717264105374 2.1621e-08 deg/d
Q 3.306424541124033 2.0146e-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 = .887709 au 
 Jupiter MOID = 2.12633 au 
 T_jup = 3.361 
[ 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 18.0   n/a MPO477088  

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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