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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6506498224660349 0.0016367  
a 6.132540038633848 0.039297 au
q 2.142403951230884 0.004287 au
i 22.38810051898054 0.085781 deg
node 23.10701000656789 0.0020965 deg
peri 328.2045792828178 0.12789 deg
M 209.7831763671274 2.0249 deg
tp 2461315.095418309128
(2026-Oct-01.59541831)
53.448 TDB
period 5547.010850314248
15.19
53.317
0.146
d
yr
n .06489981896819354 0.00062381 deg/d
Q 10.12267612603681 0.064865 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4844  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-07 21:30:57  

Additional Information
 Earth MOID = 1.1696 au 
 Jupiter MOID = .958974 au 
 T_jup = 2.373 
[ 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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