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78223 (2002 OV8)
Classification: Main-belt Asteroid          SPK-ID: 2078223
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01201170398284279 4.4911e-08  
a 2.721022623911343 1.7987e-08 au
q 2.688338505622302 1.1391e-07 au
i 4.48567099643347 3.7914e-06 deg
node 238.9253776266123 5.3846e-05 deg
peri 254.0232577799934 0.00020517 deg
M 164.5611151831892 0.00020037 deg
tp 2458251.086733407063
(2018-May-12.58673341)
0.00090885 TDB
period 1639.444261623585
4.49
1.6256e-05
4.451e-08
d
yr
n .2195866053070218 2.1774e-09 deg/d
Q 2.753706742200384 1.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:41  

Additional Information
 Earth MOID = 1.70542 au 
 Jupiter MOID = 2.23663 au 
 T_jup = 3.354 
[ 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 15.4   n/a MPO257355  
diameter diameter 4.389 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78223 (2002 OV8)          Discovered 2002-Jul-21 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 OV8 = 2001 HH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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