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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898916884711651 5.1163e-08  
a 2.678830367921994 1.3823e-08 au
q 2.170142746229454 1.401e-07 au
i 12.57307832335294 5.2817e-06 deg
node 353.8502590269242 1.7388e-05 deg
peri 194.8569113469463 2.0087e-05 deg
M 3.907211635875435 1.1873e-05 deg
tp 2459183.118762972500
(2020-Nov-29.61876297)
5.274e-05 TDB
period 1601.460558841251
4.38
1.2395e-05
3.394e-08
d
yr
n .2247947962330591 1.7399e-09 deg/d
Q 3.187517989614534 1.6447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      14625 days (40.04 yr)  
   first obs. used      1981-03-03  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:33  

Additional Information
 Earth MOID = 1.17376 au 
 Jupiter MOID = 1.78779 au 
 T_jup = 3.318 
[ 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 14.25   n/a MPCxxxxx  
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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