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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176380690263733 5.3161e-08  
a 2.696424647489765 2.7512e-08 AU
q 2.109579993934973 1.4476e-07 AU
i 1.756394032784287 6.3259e-06 deg
node 170.2686407008529 0.00018352 deg
peri 151.8399903662593 0.00018445 deg
M 307.1021844947026 1.9725e-05 deg
tp 2457238.138113522152
(2015-Aug-03.63811352)
9.1339e-05 JED
period 1617.263776410721
4.43
2.4752e-05
6.777e-08
d
yr
n .2225981965656628 3.4068e-09 deg/d
Q 3.283269301044557 3.3499e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1991-02-14  
   last obs. used      2015-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54701  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:43:17  

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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