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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08527021830316905 7.5642e-08  
a 2.429446363110662 2.4806e-08 AU
q 2.222286941372376 1.7625e-07 AU
i 7.337136322190319 1.1836e-05 deg
node 174.4738524345184 4.6928e-05 deg
peri 69.54931407708295 7.895e-05 deg
M 318.72429605407 6.2438e-05 deg
tp 2457159.081086015332
(2015-May-16.58108602)
0.00023992 JED
period 1383.11852997843
3.79
2.1184e-05
5.8e-08
d
yr
n .2602813802267651 3.9865e-09 deg/d
Q 2.636605784848949 2.6922e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1993-09-14  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59398  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:21:02  

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 (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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