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48500 (1993 DU2)
Classification: Main-belt Asteroid          SPK-ID: 2048500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138052051376413 5.7329e-08  
a 3.092605844699151 2.4287e-08 au
q 2.740651202133296 1.788e-07 au
i 4.869332520635151 6.3018e-06 deg
node 339.3154346752899 4.6963e-05 deg
peri 175.7068326041433 5.0424e-05 deg
M 283.3220828228469 1.9207e-05 deg
tp 2459023.609807392177
(2020-Jun-23.10980739)
0.00010765 TDB
period 1986.484978579579
5.44
2.34e-05
6.407e-08
d
yr
n .1812246273603414 2.1348e-09 deg/d
Q 3.444560487265006 2.7051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      9479 days (25.95 yr)  
   first obs. used      1993-01-27  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:46:42  

Additional Information
 Earth MOID = 1.75105 au 
 Jupiter MOID = 1.54929 au 
 T_jup = 3.209 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO337645  
diameter diameter 7.856 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48500 (1993 DU2)          Discovered 1993-Feb-20 by Elst, E. W. at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 DU2 = 1999 FM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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