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JPL Small-Body Database Browser
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20492 (1999 OC5)
Classification: Main-belt Asteroid          SPK-ID: 2020492
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088621561096839 3.9965e-08  
a 2.556556612115007 1.0734e-08 au
q 2.022588685892198 1.06e-07 au
i 15.42894956257626 4.1633e-06 deg
node 129.7187607258578 1.5074e-05 deg
peri 197.3757540618745 1.9171e-05 deg
M 296.2272217168768 1.3933e-05 deg
tp 2458864.993123202438
(2020-Jan-16.49312320)		 5.8665e-05 TDB
period 1493.074739980023
4.09		 9.4035e-06
2.575e-08		 d
yr
n .2411131809816947 1.5186e-09 deg/d
Q 3.090524538337816 1.2976e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1473  
   data-arc span      11194 days (30.65 yr)  
   first obs. used      1989-02-02  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:23:28  

Additional Information
 Earth MOID = 1.0138 au 
 Jupiter MOID = 2.25328 au 
 T_jup = 3.357 
[ 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 13.4   n/a MPO344464  
diameter diameter 5.058 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.478   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20492 (1999 OC5)          Discovered 1999-Jul-16 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 OC5 = 1989 CV4 = 1998 GH6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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