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120208 Brentbarbee (2004 EK32)
Classification: Main-belt Asteroid          SPK-ID: 2120208
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492191043582808 3.2075e-08  
a 2.312856599173382 9.3315e-09 au
q 1.96773420893559 7.3096e-08 au
i 4.483402329795248 4.5627e-06 deg
node 165.5803864874315 4.768e-05 deg
peri 114.92111593 5.03e-05 deg
M 134.1894180524024 1.5546e-05 deg
tp 2458521.608360109237
(2019-Feb-07.10836011)
5.5591e-05 TDB
period 1284.758462052129
3.52
7.7753e-06
2.129e-08
d
yr
n .2802083120160783 1.6958e-09 deg/d
Q 2.657978989411173 1.0724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:16:35  

Additional Information
 Earth MOID = .956484 au 
 Jupiter MOID = 2.47495 au 
 T_jup = 3.564 
[ 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 16.3   n/a MPO439777  

120208 Brentbarbee           Discovered 2004 Mar. 15 by the Catalina Sky Survey.
Brent Barbee (b. 1981) is a member of the Flight Dynamics System team for the OSIRIS-REx Asteroid Sample Return Mission. He is also the creator of NASA's NHATS system to monitor the accessibility of near-Earth asteroids, and he works on research projects to develop systems to defend Earth from asteroid impacts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-05-21Last Updated: 2016-05-24

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