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55789 (1993 RF11)
Classification: Main-belt Asteroid          SPK-ID: 2055789
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08544935344950595 7.3182e-08  
a 2.429874010744745 2.1452e-08 au
q 2.222242847562849 1.6694e-07 au
i 7.337274362296107 6.6681e-06 deg
node 174.4700112783649 4.552e-05 deg
peri 69.62675506721493 6.8841e-05 deg
M 62.75654571529024 4.5212e-05 deg
tp 2457159.325941988984
(2015-May-16.82594199)
0.00017533 JED
period 1383.483744912555
3.79
1.8321e-05
5.016e-08
d
yr
n .2602126706033357 3.446e-09 deg/d
Q 2.637505173926642 2.3285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8000 days (21.90 yr)  
   first obs. used      1993-09-14  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56187  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:05:02  

Additional Information
 Earth MOID = 1.22165 au 
 Jupiter MOID = 2.37313 au 
 T_jup = 3.492 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO344713  

55789 (1993 RF11)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RF11 = 1996 LG2 = 2001 UX187 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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