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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05457502276668247 6.8133e-08  
a 3.045373146112461 3.469e-08 AU
q 2.87917183733033 2.2149e-07 AU
i 11.34927874574005 7.9938e-06 deg
node 34.20093207293039 3.4141e-05 deg
peri 99.02451630654505 8.7093e-05 deg
M 36.59245635024533 7.7469e-05 deg
tp 2456803.190379935119
(2014-May-25.69037994)
0.00041756 JED
period 1941.15045307367
5.31
3.3168e-05
9.081e-08
d
yr
n .1854570311280953 3.1688e-09 deg/d
Q 3.211574454894592 3.6583e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      8463 days (23.17 yr)  
   first obs. used      1991-10-29  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48325  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:17:06  

Additional Information
 Earth MOID = 1.92055 AU 
 T_jup = 3.207 
[ 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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