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51825 Davidbrown (2001 OQ33)
Classification: Main-belt Asteroid          SPK-ID: 2051825
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07028998074882892 8.4826e-08  
a 2.966139510147785 3.2896e-08 au
q 2.757649621081157 2.4547e-07 au
i 9.619095470856275 9.5708e-06 deg
node 23.457659452317 3.5426e-05 deg
peri 33.47831928193095 6.2467e-05 deg
M 239.3350198896669 5.0732e-05 deg
tp 2458225.909584483929
(2018-Apr-17.40958448)
0.00026571 JED
period 1865.888928240364
5.11
3.104e-05
8.498e-08
d
yr
n .1929375294270597 3.2097e-09 deg/d
Q 3.174629399214414 3.5208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1994-02-08  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:53:33  

Additional Information
 Earth MOID = 1.77219 au 
 Jupiter MOID = 2.11983 au 
 T_jup = 3.239 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO337671  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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