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90834 (1995 UR46)
Classification: Main-belt Asteroid          SPK-ID: 2090834
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213363694966216 4.4381e-08  
a 2.785252235401538 1.7417e-08 au
q 2.447299841025566 1.2585e-07 au
i 17.26372679412931 5.2802e-06 deg
node 203.0820780705259 1.4415e-05 deg
peri 201.8617132815802 2.3306e-05 deg
M 87.64190269778013 1.8867e-05 deg
tp 2458587.162773732061
(2019-Apr-13.66277373)
8.7995e-05 TDB
period 1697.833991231081
4.65
1.5926e-05
4.36e-08
d
yr
n .2120348643385139 1.9889e-09 deg/d
Q 3.12320462977751 1.953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:18:57  

Additional Information
 Earth MOID = 1.46131 au 
 Jupiter MOID = 2.32725 au 
 T_jup = 3.255 
[ 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 15.0   n/a MPO351481  
diameter diameter 4.165 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90834 (1995 UR46)          Discovered 1995-Oct-20 by Elst, E. W. at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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