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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05409145057627988 5.2343e-08  
a 3.04495748323526 2.5943e-08 au
q 2.880251316023966 1.5868e-07 au
i 11.3501619797586 7.8557e-06 deg
node 34.1929025261955 2.77e-05 deg
peri 98.93895586836298 8.5375e-05 deg
M 148.0257253558892 7.8216e-05 deg
tp 2456802.496174259492
(2014-May-24.99617426)
0.00042118 JED
period 1940.753045295944
5.31
2.4803e-05
6.791e-08
d
yr
n .1854950071430154 2.3706e-09 deg/d
Q 3.209663650446554 2.7346e-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 = 1.92005 au 
 Jupiter MOID = 1.84131 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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