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5190 (1990 UR2)
Classification: Main-belt Asteroid          SPK-ID: 2005190
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090998344856378 7.1554e-08  
a 3.143098366388988 2.8945e-08 AU
q 2.485877018204973 2.2147e-07 AU
i 14.09599358772138 9.6331e-06 deg
node 312.0679605347091 3.0093e-05 deg
peri 148.4486773774492 4.1111e-05 deg
M 80.64351327116839 2.4181e-05 deg
tp 2456544.565637273446
(2013-Sep-09.06563727)
0.00013567 JED
period 2035.332588123258
5.57
2.8115e-05
7.697e-08
d
yr
n .1768752694771862 2.4433e-09 deg/d
Q 3.800319714573004 3.4997e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      16572 days (45.37 yr)  
   first obs. used      1969-01-15  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:11:17  

Additional Information
 Earth MOID = 1.51386 AU 
 T_jup = 3.130 
[ 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 11.9 mag n/a MPO256902  

5190 (1990 UR2)          Discovered 1990-Oct-16 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 UR2 = 1969 AN = 1986 AN1 = 1989 PS 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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