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266775 (2009 SZ198)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041278918358742 6.4659e-08  
a 3.207090495368085 5.3097e-08 au
q 2.552433873621728 2.0751e-07 au
i 2.887798887247071 9.0388e-06 deg
node 281.267618795947 0.00016925 deg
peri 75.52979136197884 0.00017147 deg
M 324.8500162057426 3.1951e-05 deg
tp 2459205.327317476165
(2020-Dec-21.82731748)
0.0001901 TDB
period 2097.805641192536
5.74
5.2098e-05
1.426e-07
d
yr
n .1716078901357856 4.2618e-09 deg/d
Q 3.861747117114442 6.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5756 days (15.76 yr)  
   first obs. used      2003-08-28  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:34  

Additional Information
 Earth MOID = 1.55023 au 
 Jupiter MOID = 1.61614 au 
 T_jup = 3.158 
[ show covariance matrix ]

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 16.4   n/a MPO476122  

266775 (2009 SZ198)          Discovered 2009-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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