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70716 Mehall (1999 UF50)
Classification: Main-belt Asteroid          SPK-ID: 2070716
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235611937050155 9.0383e-08  
a 2.566721758281948 1.7856e-08 au
q 1.992902378091799 2.4161e-07 au
i 6.088882145710342 6.0434e-06 deg
node 95.88763349334909 6.9249e-05 deg
peri 218.1887295577793 7.0644e-05 deg
M 60.64638221512026 1.1561e-05 deg
tp 2458747.471749300498
(2019-Sep-20.97174930)
4.7889e-05 TDB
period 1501.988526351211
4.11
1.5674e-05
4.291e-08
d
yr
n .2396822570106777 2.5011e-09 deg/d
Q 3.140541138472096 2.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      8719 days (23.87 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:21:53  

Additional Information
 Earth MOID = .982998 au 
 Jupiter MOID = 2.15747 au 
 T_jup = 3.389 
[ 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 16.1   n/a MPO436276  

70716 Mehall           Discovered 1999 Oct. 30 by the Catalina Sky Survey.
Greg Mehall (b. 1963) is Project Engineer for the Thermal Emission Spectrometer flying on the OSIRIS-REx Asteroid Sample Return Mission. He was also instrument manager, systems engineer, and mission manager for the Mars Global Surveyor TES, Mars Odyssey THEMIS, and Mars Exploration Rovers Mini-TES instruments.
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 2014-09-09Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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