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48538 (1993 RF15)
Classification: Main-belt Asteroid          SPK-ID: 2048538
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217638068562454 5.3043e-08  
a 2.696424648245364 1.7411e-08 AU
q 2.109579995777048 1.4271e-07 AU
i 1.756393389218674 6.0548e-06 deg
node 170.2686221689604 0.00016793 deg
peri 151.8400092134032 0.00016858 deg
M 307.1021839495832 1.2044e-05 deg
tp 2457238.138116070934
(2015-Aug-03.63811607)
5.4912e-05 JED
period 1617.263777090512
4.43
1.5664e-05
4.289e-08
d
yr
n .2225981964720974 2.156e-09 deg/d
Q 3.283269300713679 2.12e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      8954 days (24.51 yr)  
   first obs. used      1991-02-14  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54243  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:51:41  

Additional Information
 Earth MOID = 1.09807 AU 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO302335  

48538 (1993 RF15)          Discovered 1993-Sep-15 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 RF15 = 1996 FP9 = 2000 DU8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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