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JPL Small-Body Database Browser
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27922 Mascheroni (1996 XW8)
Classification: Main-belt Asteroid          SPK-ID: 2027922
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06180722427839883 4.4622e-08  
a 3.051599061744769 1.6278e-08 au
q 2.862988194127758 1.3994e-07 au
i 8.976482993922355 4.619e-06 deg
node 201.2126498611752 2.4358e-05 deg
peri 318.6174752969333 3.8956e-05 deg
M 8.408809176639954 2.9803e-05 deg
tp 2458955.019876830707
(2020-Apr-15.51987683)
0.0001612 TDB
period 1947.106183171561
5.33
1.558e-05
4.266e-08
d
yr
n .1848897626187037 1.4794e-09 deg/d
Q 3.240209929361779 1.7284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1869  
   data-arc span      15273 days (41.82 yr)  
   first obs. used      1978-04-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:13:04  

Additional Information
 Earth MOID = 1.87695 au 
 Jupiter MOID = 1.75587 au 
 T_jup = 3.215 
[ 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 12.9   n/a MPO250479  
diameter diameter 9.997 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27922 Mascheroni           Discovered 1996 Dec. 8 by P. G. Comba at Prescott.
Lorenzo Mascheroni (1750-1800), professor at the University of Pavia and author of a treatise on statics, proved that all plane construction problems that can be solved with ruler and compass can also be solved with compass alone.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1996 XW8 = 1978 GY3 = 2000 LO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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