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243929 (2001 OU61)
Classification: Main-belt Asteroid          SPK-ID: 2243929
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014390793217471 6.2509e-08  
a 2.749090323563431 1.9677e-08 au
q 2.19531609981249 1.674e-07 au
i 7.097909524638286 7.0743e-06 deg
node 334.3289061614596 5.002e-05 deg
peri 1.38769717608737 5.2601e-05 deg
M 33.49466789123004 1.8245e-05 deg
tp 2458845.598680991548
(2019-Dec-28.09868099)
8.3424e-05 TDB
period 1664.876183401232
4.56
1.7874e-05
4.894e-08
d
yr
n .2162322961846591 2.3215e-09 deg/d
Q 3.302864547314373 2.364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6548 days (17.93 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:53:40  

Additional Information
 Earth MOID = 1.18567 au 
 Jupiter MOID = 2.08086 au 
 T_jup = 3.306 
[ 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 15.4   n/a MPO433598  
diameter diameter 3.220 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243929 (2001 OU61)          Discovered 2001-Jul-21 by NEAT at Haleakala
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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