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85180 (1990 UW5)
Classification: Main-belt Asteroid          SPK-ID: 2085180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2489462553233072 4.8045e-08  
a 2.339199044875367 1.0065e-08 au
q 1.756864202197788 1.1012e-07 au
i 12.34627355847869 4.605e-06 deg
node 54.29321581050934 1.7165e-05 deg
peri 316.8438246113166 1.8834e-05 deg
M 112.1706330061089 8.6353e-06 deg
tp 2458593.329913987195
(2019-Apr-19.82991399)
3.0105e-05 TDB
period 1306.77011474676
3.58
8.4339e-06
2.309e-08
d
yr
n .2754883938172741 1.778e-09 deg/d
Q 2.921533887552946 1.257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      10698 days (29.29 yr)  
   first obs. used      1990-10-21  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:27:53  

Additional Information
 Earth MOID = .780109 au 
 Jupiter MOID = 2.58026 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO502664  

85180 (1990 UW5)          Discovered 1990-Oct-26 by Urata, T. at Oohira
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1990 UW5 = 2001 TL117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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