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78809 (2003 OR22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078809
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3288611043462414 4.5745e-08  
a 3.969430852833853 2.448e-08 au
q 2.66403943894487 1.8059e-07 au
i 12.75161957487358 4.8876e-06 deg
node 177.6382510407578 2.0438e-05 deg
peri 222.4785402206065 2.1079e-05 deg
M 27.81193082334795 4.75e-06 deg
tp 2458777.338419759505
(2019-Oct-20.83841976)
3.7628e-05 TDB
period 2888.622490716636
7.91
2.6722e-05
7.316e-08
d
yr
n .1246268770519362 1.1529e-09 deg/d
Q 5.274822266722837 3.2531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      12087 days (33.09 yr)  
   first obs. used      1987-09-17  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:26  

Additional Information
 Earth MOID = 1.68768 au 
 Jupiter MOID = .468318 au 
 T_jup = 2.920 
[ 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 13.0   n/a MPO412655  
diameter diameter 15.171 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

78809 (2003 OR22)          Discovered 2003-Jul-30 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 OR22 = 1987 SR19 = 1996 VK6 = 1998 EC1 = 2002 LE43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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