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216415 (2008 SF61)
Classification: Main-belt Asteroid          SPK-ID: 2216415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073821886893996 4.5329e-08  
a 3.127026138486187 2.7481e-08 au
q 2.47853661379796 1.4319e-07 au
i 12.37753105357209 6.3679e-06 deg
node 187.0757631852205 1.9464e-05 deg
peri 141.9477229727539 2.4077e-05 deg
M 100.8816705720536 1.2286e-05 deg
tp 2458634.514299804063
(2019-May-31.01429980)
6.9326e-05 TDB
period 2019.741058163858
5.53
2.6625e-05
7.29e-08
d
yr
n .1782406702804146 2.3496e-09 deg/d
Q 3.775515663174414 3.318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      2003-11-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:43  

Additional Information
 Earth MOID = 1.48005 au 
 Jupiter MOID = 1.74174 au 
 T_jup = 3.145 
[ 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 15.58   n/a MPCxxxxx  

216415 (2008 SF61)          Discovered 2008-Sep-20 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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