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39882 Edgarmitchell (1998 EM11)
Classification: Main-belt Asteroid          SPK-ID: 2039882
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01471582575490432 3.2531e-08  
a 2.36515152457909 9.1457e-09 au
q 2.330346366859438 7.6257e-08 au
i 5.37377747270561 4.13e-06 deg
node 45.39548584317109 3.8727e-05 deg
peri 85.93348570518033 0.00016938 deg
M 75.39569332490419 0.00016307 deg
tp 2458722.252725352996
(2019-Aug-26.75272535)
0.00060205 TDB
period 1328.577461861927
3.64
7.7062e-06
2.11e-08
d
yr
n .2709665114260482 1.5717e-09 deg/d
Q 2.399956682298742 9.2803e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      8641 days (23.66 yr)  
   first obs. used      1996-10-13  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:03:55  

Additional Information
 Earth MOID = 1.34931 au 
 Jupiter MOID = 2.57421 au 
 T_jup = 3.542 
[ 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 15.1   n/a MPO468240  
diameter diameter 2.490 km 0.675 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39882 Edgarmitchell           Discovered 1998 Mar. 1 by E. W. Elst at the European Southern Observatory.
Edgar Mitchell (1930-2016) was an American naval officer, aviator and NASA astronaut, who was the sixth man to walk on the Moon.
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 2016-03-23Last Updated: 2016-03-24

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