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JPL Small-Body Database Browser
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51825 Davidbrown (2001 OQ33)
Classification: Main-belt Asteroid          SPK-ID: 2051825
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07010633863437364 4.7935e-08  
a 2.965337972600376 1.8779e-08 au
q 2.757448984527887 1.4049e-07 au
i 9.619427572246961 5.6007e-06 deg
node 23.44157361921491 2.3858e-05 deg
peri 32.58197180794272 4.2918e-05 deg
M 150.2883035099101 3.4034e-05 deg
tp 2458221.867716086276
(2018-Apr-13.36771609)
0.00017637 TDB
period 1865.132652791287
5.11
1.7718e-05
4.851e-08
d
yr
n .1930157618876264 1.8335e-09 deg/d
Q 3.173226960672865 2.0096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      9488 days (25.98 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:14:23  

Additional Information
 Earth MOID = 1.7731 au 
 Jupiter MOID = 2.11856 au 
 T_jup = 3.240 
[ 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 14.2   n/a MPO337671  
diameter diameter 4.913 km 0.760 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51825 Davidbrown           Discovered 2001 July 19 at Palomar by the JPL Near-Earth Asteroid Tracking Program.
David M. Brown (1956-2003) was a mission specialist on the space shuttle Columbia (STS-107).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2001 OQ33 = 1994 CZ14 = 1999 CO55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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