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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490878724225755 3.1651e-08  
a 2.313199421737081 8.8737e-09 au
q 1.968329441461167 7.2487e-08 au
i 4.483481584946746 4.302e-06 deg
node 165.5732678808318 4.6372e-05 deg
peri 114.9750286176514 4.855e-05 deg
M 190.1673995932715 1.4665e-05 deg
tp 2459806.728846934663
(2022-Aug-15.22884693)
5.2907e-05 TDB
period 1285.044122116807
3.52
7.3943e-06
2.024e-08
d
yr
n .2801460228517174 1.612e-09 deg/d
Q 2.658069402012994 1.0197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:24  

Additional Information
 Earth MOID = .955194 au 
 Jupiter MOID = 2.47405 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 16.2   n/a MPO532519  

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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