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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07010633842936843 4.792e-08  
a 2.965337971231283 1.7187e-08 au
q 2.757448983862686 1.4039e-07 au
i 9.619427723190933 5.5823e-06 deg
node 23.44159767760856 1.9607e-05 deg
peri 32.58195166062183 3.6279e-05 deg
M 150.2883006076831 3.049e-05 deg
tp 2458221.867731661734
(2018-Apr-13.36773166)
0.0001565 TDB
period 1865.132651499592
5.11
1.6215e-05
4.439e-08
d
yr
n .1930157620212991 1.6781e-09 deg/d
Q 3.17322695859988 1.8392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-02-08  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:20:33  

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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