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JPL Small-Body Database Browser
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66450 (1999 OH2)
Classification: Main-belt Asteroid          SPK-ID: 2066450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723776732269841 7.8145e-08  
a 2.573972489601813 2.0152e-08 au
q 2.130277100893985 2.1182e-07 au
i 14.30404204898736 7.0942e-06 deg
node 297.7281283753369 2.0935e-05 deg
peri 37.58783659130027 2.7425e-05 deg
M 29.79646021749249 2.3057e-05 deg
tp 2458875.656351875894
(2020-Jan-27.15635188)
9.5512e-05 TDB
period 1508.357469196731
4.13
1.7713e-05
4.85e-08
d
yr
n .2386702140254037 2.8028e-09 deg/d
Q 3.017667878309641 2.3625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      7284 days (19.94 yr)  
   first obs. used      1999-07-22  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:57:29  

Additional Information
 Earth MOID = 1.13571 au 
 Jupiter MOID = 2.35964 au 
 T_jup = 3.364 
[ 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 14.4   n/a MPO344784  
diameter diameter 3.607 km 0.861 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66450 (1999 OH2)          Discovered 1999-Jul-22 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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