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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05457502583618918 5.2445e-08  
a 3.045373145069124 2.6371e-08 AU
q 2.87917182699614 1.5943e-07 AU
i 11.34928151170765 7.8553e-06 deg
node 34.20100310560088 2.7822e-05 deg
peri 99.02444453743669 8.4718e-05 deg
M 36.59245902323957 7.7385e-05 deg
tp 2456803.190365623504
(2014-May-25.69036562)
0.00041718 JED
period 1941.15045207612
5.31
2.5214e-05
6.903e-08
d
yr
n .185457031223401 2.4089e-09 deg/d
Q 3.211574463142109 2.781e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      8608 days (23.57 yr)  
   first obs. used      1991-10-29  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:51:36  

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
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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