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120285 Brentbos (2004 HE47)
Classification: Main-belt Asteroid          SPK-ID: 2120285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296179456966194 5.4983e-08  
a 2.607389111732456 1.6939e-08 au
q 2.269424691437961 1.4298e-07 au
i 15.64753937214311 4.2967e-06 deg
node 59.43944162562903 1.5533e-05 deg
peri 303.9615912257681 2.1664e-05 deg
M 144.863715639641 1.6171e-05 deg
tp 2458381.680033670159
(2018-Sep-20.18003367)
6.6707e-05 TDB
period 1537.825996627838
4.21
1.4985e-05
4.103e-08
d
yr
n .2340967058623095 2.2812e-09 deg/d
Q 2.945353532026949 1.9134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:36:00  

Additional Information
 Earth MOID = 1.3081 au 
 Jupiter MOID = 2.5828 au 
 T_jup = 3.347 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO379352  

120285 Brentbos           Discovered 2004 Apr. 22 by the Catalina Sky Survey.
Brent J. Bos (b. 1969) is the OSIRIS-REx Asteroid Sample Return Mission TAGCAMS instrument scientist. Prior to serving in this role, he was the NASA OSIRIS-REx optics lead. Before joining OSIRIS-REx he supported four Mars lander missions and the optical design and construction of the James Webb Space Telescope.
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

Alternate Designations
 2004 HE47 = 2005 PO17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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