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JPL Small-Body Database Browser
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(2011 SP25)
Classification: Centaur          SPK-ID: 3578969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8836861066437074 0.00028287  
a 19.57879162704269 0.048263 au
q 2.277285481352918 7.605e-05 au
i 109.2768304840132 0.002838 deg
node 182.0267077469261 0.00092031 deg
peri 186.3174308546225 0.0052245 deg
M 40.0182856467661 0.14785 deg
tp 2455879.007076354183
(2011-Nov-13.50707635)
0.011335 TDB
period 31642.97100805027
86.63
117
0.3203
d
yr
n .01137693422998784 4.2067e-05 deg/d
Q 36.88029777273246 0.090912 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      58 days  
   first obs. used      2011-09-20  
   last obs. used      2011-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .5391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:19:45  

Additional Information
 Earth MOID = 1.27778 au 
 Jupiter MOID = 2.6737 au 
 T_jup = -0.334 
[ 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 16.7   n/a E2020-QG2  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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