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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08527021486510973 7.4484e-08  
a 2.429446365405637 2.2477e-08 AU
q 2.222286951824238 1.7136e-07 AU
i 7.337136376320329 9.6165e-06 deg
node 174.4738535581793 4.6733e-05 deg
peri 69.54931991123395 7.3042e-05 deg
M 318.7242881524115 5.2213e-05 deg
tp 2457159.081116598177
(2015-May-16.58111660)
0.00019996 JED
period 1383.118531938272
3.79
1.9195e-05
5.255e-08
d
yr
n .2602813798579532 3.6122e-09 deg/d
Q 2.636605778987035 2.4394e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1993-09-14  
   last obs. used      2015-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5795  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:02:10  

Additional Information
 Earth MOID = 1.22421 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 15.6 mag n/a MPO324806  

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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