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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457709.5 (2016-Nov-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .228905759629262 7.1022e-08  
q 1.989691014404837 1.9439e-07 au
tp 2457882.617411455607
(2017-May-09.11741146)
2.9248e-05 TDB
node 196.8323678756545 1.3358e-05 deg
peri 4.225813487271813 1.551e-05 deg
i 14.45441621328422 5.5226e-06 deg
  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
 Jupiter MOID = 1.78524 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.04410263639731E-15 -1.378384891521883E-14 -3.262996818987685E-13 -2.886113461404089E-14 1.058276027298779E-13 -2.500559848578554E-14
q -1.378384891521883E-14 3.778729103743652E-14 9.453288884583907E-13 7.869224486660441E-14 -2.806488531624196E-13 6.878238948451812E-14
tp -3.262996818987685E-13 9.453288884583907E-13 8.554593131849186E-10 4.023503194348446E-12 2.229293299639113E-10 3.879753718967476E-12
node -2.886113461404089E-14 7.869224486660441E-14 4.023503194348446E-12 1.784353076971965E-10 -1.72153170393582E-10 2.791017976699036E-12
peri 1.058276027298779E-13 -2.806488531624196E-13 2.229293299639113E-10 -1.72153170393582E-10 2.40561176295093E-10 -2.323898536397733E-12
i -2.500559848578554E-14 6.878238948451812E-14 3.879753718967476E-12 2.791017976699036E-12 -2.323898536397733E-12 3.049940928330502E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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