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21219 Mascagni (1994 WV1)
Classification: Main-belt Asteroid          SPK-ID: 2021219
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132881707967266 3.0325e-08  
a 3.082974955034567 1.5884e-08 au
q 2.673303977389268 9.871e-08 au
i 2.430021677929648 4.6141e-06 deg
node 115.8249009356564 0.00010047 deg
peri 322.7453497071041 0.00010309 deg
M 283.4079077100033 2.339e-05 deg
tp 2459621.163522916478
(2022-Feb-10.66352292)
0.00012954 TDB
period 1977.212839108072
5.41
1.528e-05
4.183e-08
d
yr
n .1820744802377458 1.4071e-09 deg/d
Q 3.492645932679865 1.7995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1526  
   data-arc span      17628 days (48.26 yr)  
   first obs. used      1972-10-09  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:51:26  

Additional Information
 Earth MOID = 1.68897 au 
 Jupiter MOID = 1.74613 au 
 T_jup = 3.212 
[ 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 13.84   n/a E2021B10  
diameter diameter 9.439 km 1.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.060   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

21219 Mascagni           Discovered 1994 Nov. 28 by V. S. Casulli at the Colleverde di Guidonia.
Pietro Mascagni (1863-1945) was an Italian conductor and composer. His first opera, "Cavalleria rusticana", ushered in the Verismo movement in Italian dramatic music.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

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Alternate Designations
 1994 WV1 = 1972 TC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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