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39611 (1993 UO8)
Classification: Main-belt Asteroid          SPK-ID: 2039611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002058911848067 3.5753e-08  
a 2.261143108809726 8.0233e-09 au
q 2.034563248495063 8.1034e-08 au
i 6.31622110236894 3.5736e-06 deg
node 148.0119649170383 4.3314e-05 deg
peri 34.27049987487678 4.8992e-05 deg
M 154.2066982059374 2.2747e-05 deg
tp 2458468.524980262069
(2018-Dec-16.02498026)
7.8012e-05 TDB
period 1241.911079957754
3.40
6.6101e-06
1.81e-08
d
yr
n .2898758259023231 1.5429e-09 deg/d
Q 2.487722969124389 8.8273e-09 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      9474 days (25.94 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:31:19  

Additional Information
 Earth MOID = 1.04135 au 
 Jupiter MOID = 2.47417 au 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO337579  
diameter diameter 2.426 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39611 (1993 UO8)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 UO8 = 2000 YC135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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