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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08535191060231406 7.5907e-08  
a 2.430304802096581 2.5667e-08 AU
q 2.222873643891659 1.7683e-07 AU
i 7.33540108428322 1.192e-05 deg
node 174.4779328384153 4.7032e-05 deg
peri 69.31311219072825 7.9462e-05 deg
M 266.9123532519264 6.336e-05 deg
tp 2457158.331933527946
(2015-May-15.83193353)
0.00024381 JED
period 1383.851677104797
3.79
2.1923e-05
6.002e-08
d
yr
n .2601434864415298 4.1212e-09 deg/d
Q 2.637735960301503 2.7858e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      1993-09-14  
   last obs. used      2014-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .596  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 09:11:48  

Additional Information
 Earth MOID = 1.22327 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 15.5 mag n/a MPO240631  

55789 (1993 RF11)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla (809)
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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