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8718 (1995 UC8)
Classification: Main-belt Asteroid          SPK-ID: 2008718
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 .1741544305316486 3.5353e-08  
a 3.057941439523788 1.5664e-08 au
q 2.525387389524393 1.107e-07 au
i 7.037618721004359 3.9653e-06 deg
node 204.756039413338 2.8198e-05 deg
peri 178.3336137396636 2.9976e-05 deg
M 236.7031969823563 1.1865e-05 deg
tp 2459669.446658010250
(2022-Mar-30.94665801)
6.7293e-05 TDB
period 1953.179571486769
5.35
1.5007e-05
4.109e-08
d
yr
n .1843148501322724 1.4162e-09 deg/d
Q 3.590495489523182 1.8391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1602  
   data-arc span      14791 days (40.50 yr)  
   first obs. used      1979-12-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:51:34  

Additional Information
 Earth MOID = 1.52886 au 
 Jupiter MOID = 1.86577 au 
 T_jup = 3.200 
[ 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 13.3   n/a MPO435782  
diameter diameter 7.158 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8718 (1995 UC8)          Discovered 1995-Oct-27 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19980511/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UC8 = 1979 YS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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