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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05423532373717571 5.2323e-08  
a 3.044525972140516 2.5988e-08 au
q 2.879405120415235 1.5865e-07 au
i 11.35063164983632 7.856e-06 deg
node 34.19611990864163 2.77e-05 deg
peri 98.85792714677116 8.5174e-05 deg
M 110.9939210288435 7.7978e-05 deg
tp 2456802.261106161105
(2014-May-24.76110616)
0.00041997 JED
period 1940.340514018205
5.31
2.4844e-05
6.802e-08
d
yr
n .1855344448044764 2.3756e-09 deg/d
Q 3.209646823865796 2.7398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      8630 days (23.63 yr)  
   first obs. used      1991-10-29  
   last obs. used      2015-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48695  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:56:45  

Additional Information
 Earth MOID = 1.92051 au 
 Jupiter MOID = 1.8416 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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