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39559 (1992 OL8)
Classification: Main-belt Asteroid          SPK-ID: 2039559
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916083745330738 4.965e-08  
a 2.325760002481219 8.6905e-09 au
q 1.880124908851755 1.1786e-07 au
i 3.603438822802769 4.208e-06 deg
node 124.8582373113741 7.0298e-05 deg
peri 220.3022001187518 7.0824e-05 deg
M 275.9179700568027 8.3946e-06 deg
tp 2459303.084348761468
(2021-Mar-29.58434876)
3.0495e-05 TDB
period 1295.524925215504
3.55
7.2613e-06
1.988e-08
d
yr
n .2778796401312895 1.5575e-09 deg/d
Q 2.771395096110683 1.0356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      10545 days (28.87 yr)  
   first obs. used      1991-03-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:29:43  

Additional Information
 Earth MOID = .874299 au 
 Jupiter MOID = 2.63696 au 
 T_jup = 3.547 
[ 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 15.6   n/a MPO351108  
diameter diameter 1.965 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39559 (1992 OL8)          Discovered 1992-Jul-22 by Debehogne, H., Lopez G., A. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 OL8 = 2000 YP48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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