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(2011 SQ55)
Classification: Centaur          SPK-ID: 3582092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .650957505286333 0.0016377  
a 6.129773902318764 0.039283 au
q 2.139551574896071 0.0042676 au
i 22.39936324387438 0.085917 deg
node 23.09340101862776 0.0026218 deg
peri 328.2359923027088 0.12781 deg
M 222.7936735668894 2.1502 deg
tp 2461313.194717720942
(2026-Sep-29.69471772)
53.417 TDB
period 5543.258231247262
15.18
53.287
0.1459
d
yr
n .06494375419328031 0.0006243 deg/d
Q 10.11999622974146 0.064855 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      26 days  
   first obs. used      2011-09-23  
   last obs. used      2011-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:20:42  

Additional Information
 Earth MOID = 1.1652 au 
 Jupiter MOID = .95826 au 
 T_jup = 2.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO210018  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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