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78233 (2002 OB17)
Classification: Main-belt Asteroid          SPK-ID: 2078233
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 .0971001391655533 4.8158e-08  
a 3.051859773625724 1.9741e-08 au
q 2.755523764892912 1.4913e-07 au
i 8.619626239800947 5.1867e-06 deg
node 234.2663907484308 3.2115e-05 deg
peri 139.3119257712107 4.2087e-05 deg
M 70.12546511069264 2.5705e-05 deg
tp 2458621.168819020797
(2019-May-17.66881902)
0.00013911 TDB
period 1947.355713604967
5.33
1.8895e-05
5.173e-08
d
yr
n .1848660711984478 1.7937e-09 deg/d
Q 3.348195782358535 2.1658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      21709 days (59.44 yr)  
   first obs. used      1960-10-26  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:40  

Additional Information
 Earth MOID = 1.76412 au 
 Jupiter MOID = 2.12883 au 
 T_jup = 3.212 
[ 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 14.7   n/a MPO280261  
diameter diameter 4.615 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78233 (2002 OB17)          Discovered 2002-Jul-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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