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48475 (1991 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2048475
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05518039547379557 7.1577e-08  
a 3.047528232447913 3.7301e-08 AU
q 2.879364419363879 2.3221e-07 AU
i 11.34590570612701 8.1801e-06 deg
node 34.23775448629837 3.5131e-05 deg
peri 99.35345192012009 8.9066e-05 deg
M 359.1708792947513 7.8966e-05 deg
tp 2456804.975435405343
(2014-May-27.47543541)
0.00042625 JED
period 1943.211327041046
5.32
3.5677e-05
9.768e-08
d
yr
n .1852603445597329 3.4013e-09 deg/d
Q 3.215692045531946 3.936e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1991-10-29  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51132  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:49:33  

Additional Information
 Earth MOID = 1.92028 AU 
 T_jup = 3.206 
[ 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 12.8 mag n/a MPO279997  

48475 (1991 UD2)          Discovered 1991-Oct-29 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 UD2 = 1999 FY26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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