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266797 (2009 SG316)
Classification: Main-belt Asteroid          SPK-ID: 2266797
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09468453219996004 7.4672e-08  
a 2.71546192699728 3.3897e-08 au
q 2.45834968473274 2.1868e-07 au
i 5.698648633440673 6.3075e-06 deg
node 32.86125798154673 5.7002e-05 deg
peri 155.7531411543126 6.4261e-05 deg
M 335.2436955305449 2.7836e-05 deg
tp 2459112.895084563657
(2020-Sep-20.39508456)
0.00012666 TDB
period 1634.421263999221
4.47
3.0604e-05
8.379e-08
d
yr
n .2202614515177841 4.1243e-09 deg/d
Q 2.97257416926182 3.7107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5195 days (14.22 yr)  
   first obs. used      2005-11-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:51  

Additional Information
 Earth MOID = 1.45978 au 
 Jupiter MOID = 1.98325 au 
 T_jup = 3.347 
[ 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 16.8   n/a MPO413195  

266797 (2009 SG316)          Discovered 2009-Sep-19 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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