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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177009303521559 5.2689e-08  
a 2.69633628919514 1.5262e-08 au
q 2.109341370495079 1.4106e-07 au
i 1.756644164511186 6.0076e-06 deg
node 170.2668265436392 0.00014718 deg
peri 151.7457586975003 0.00014782 deg
M 80.72260979737248 1.0544e-05 deg
tp 2457237.879622502040
(2015-Aug-03.37962250)
4.6793e-05 JED
period 1617.184283646822
4.43
1.3731e-05
3.759e-08
d
yr
n .2226091383897104 1.89e-09 deg/d
Q 3.283331207895202 1.8585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      9057 days (24.80 yr)  
   first obs. used      1991-02-14  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53386  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:00:43  

Additional Information
 Earth MOID = 1.09644 au 
 Jupiter MOID = 2.03972 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 15.2 mag n/a MPO347857  

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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