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JPL Small-Body Database Browser
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266773 (2009 SC188)
Classification: Main-belt Asteroid          SPK-ID: 2266773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1423941971859706 5.4483e-08  
a 3.088066780118458 4.4893e-08 au
q 2.648343990106825 1.8272e-07 au
i 10.3827047504968 7.4193e-06 deg
node 176.5345858880151 2.8161e-05 deg
peri 249.225245691622 4.7165e-05 deg
M 241.6889398579164 4.4594e-05 deg
tp 2459251.905314214492
(2021-Feb-06.40531421)
0.00025551 TDB
period 1982.113192423356
5.43
4.3223e-05
1.183e-07
d
yr
n .1816243398086965 3.9606e-09 deg/d
Q 3.527789570130091 5.1286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:52  

Additional Information
 Earth MOID = 1.68285 au 
 Jupiter MOID = 1.92586 au 
 T_jup = 3.185 
[ 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 16.0   n/a MPO454982  

266773 (2009 SC188)          Discovered 2009-Sep-21 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SC188 = 1998 SQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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