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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05518040931801697 6.848e-08  
a 3.047528227705158 3.5344e-08 AU
q 2.879364372692177 2.2333e-07 AU
i 11.34590133427401 8.0223e-06 deg
node 34.23779265651713 3.4214e-05 deg
peri 99.35347859579849 8.6362e-05 deg
M 359.1708141738398 7.6688e-05 deg
tp 2456804.975786905153
(2014-May-27.47578691)
0.00041395 JED
period 1943.211322504824
5.32
3.3805e-05
9.255e-08
d
yr
n .1852603449922036 3.2229e-09 deg/d
Q 3.21569208271814 3.7294e-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      .48871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 07:19:29  

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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