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216168 (2006 SG391)
Classification: Main-belt Asteroid          SPK-ID: 2216168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279934017683994 7.1014e-08  
a 2.581031463271248 1.9923e-08 au
q 1.992573319888766 1.9429e-07 au
i 14.45033263882401 5.5209e-06 deg
node 196.8119311912058 1.3361e-05 deg
peri 4.122514175350805 1.5541e-05 deg
M 359.9616603174159 8.891e-06 deg
tp 2459396.661300007351
(2021-Jul-01.16130001)
3.7407e-05 TDB
period 1514.566598692035
4.15
1.7537e-05
4.801e-08
d
yr
n .2376917596828641 2.7521e-09 deg/d
Q 3.169489606653729 2.4465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      6333 days (17.34 yr)  
   first obs. used      2004-01-11  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53022  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:33:27  

Additional Information
 Earth MOID = .991277 au 
 Jupiter MOID = 1.78524 au 
 T_jup = 3.344 
[ 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 16.40   n/a MPCxxxxx  

216168 (2006 SG391)          Discovered 2006-Sep-18 by Spacewatch at Kitt Peak
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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