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JPL Small-Body Database Browser
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52242 Michelemaoret (1981 EX)
Classification: Main-belt Asteroid          SPK-ID: 2052242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902943545884171 5.3885e-08  
a 2.679287370779657 1.4404e-08 au
q 2.169434109800246 1.4743e-07 au
i 12.57236035842673 5.6278e-06 deg
node 353.8670841269372 1.7536e-05 deg
peri 194.8435706581513 2.0236e-05 deg
M 229.0904369835396 1.1613e-05 deg
tp 2459183.000422544693
(2020-Nov-29.50042254)
5.4304e-05 TDB
period 1601.870385051411
4.39
1.2917e-05
3.536e-08
d
yr
n .2247372842144441 1.8123e-09 deg/d
Q 3.189140631759069 1.7145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      14158 days (38.76 yr)  
   first obs. used      1981-03-03  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:59:33  

Additional Information
 Earth MOID = 1.17399 au 
 Jupiter MOID = 1.78856 au 
 T_jup = 3.317 
[ 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 14.3   n/a MPO459207  
diameter diameter 6.144 km 1.541 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.055   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

52242 Michelemaoret           Discovered 1981 Mar. 3 by H. Debehogne and G. De Sanctis at the European Southern Observatory.
Michele Maoret (b. 1971) is a mathematics teacher and president of the association of scientific education 'Luigi Lagrange', which is involved in the teaching of physics, mathematics and astronomy.
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 2015-12-25Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 1981 EX = 2000 QQ200 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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