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266774 (2009 ST196)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266774
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140598583126381 1.0252e-07  
a 3.207672730777808 6.1886e-08 au
q 2.841806033591979 3.2454e-07 au
i 5.02681726220553 6.7784e-06 deg
node 278.26221142 0.0001283 deg
peri 251.50751028 0.00013171 deg
M 159.0744721433736 3.6098e-05 deg
tp 2458073.282766246819
(2017-Nov-15.78276625)
0.00019502 TDB
period 2098.376940394895
5.75
6.0727e-05
1.663e-07
d
yr
n .1715611685726261 4.9649e-09 deg/d
Q 3.573539427963638 6.8945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      1999-12-02  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52819  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:31:45  

Additional Information
 Earth MOID = 1.85338 au 
 Jupiter MOID = 1.46538 au 
 T_jup = 3.176 
[ 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 15.4   n/a MPO440311  

266774 (2009 ST196)          Discovered 2009-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 ST196 = 2006 DM66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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