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JPL Small-Body Database Browser
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172951 Mehoke (2005 JN174)
Classification: Main-belt Asteroid          SPK-ID: 2172951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05668103066492899 4.4924e-08  
a 2.363952102855576 1.3039e-08 au
q 2.229960861223196 1.0708e-07 au
i 5.8185424860302 5.2896e-06 deg
node 197.9630466683796 4.0051e-05 deg
peri 328.8199769668927 5.6516e-05 deg
M 96.45236736605675 3.9748e-05 deg
tp 2458644.813954508214
(2019-Jun-10.31395451)
0.00014621 TDB
period 1327.566962572087
3.63
1.0983e-05
3.007e-08
d
yr
n .2711727620145956 2.2435e-09 deg/d
Q 2.497943344487956 1.3778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:56:36  

Additional Information
 Earth MOID = 1.23757 au 
 Jupiter MOID = 2.4714 au 
 T_jup = 3.540 
[ 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 16.7   n/a MPO427054  

172951 Mehoke           Discovered 2005 May 11 by M. W. Buie at Cerro Tololo.
Douglas S. Mehoke (b. 1956) is a thermal engineer at the Johns Hopkins University Applied Physics Laboratory, and served as a Thermal Systems Engineer for the New Horizons Mission to Pluto.
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 2018-09-25Last Updated: 2018-10-01

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