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22263 Pignedoli (1980 RC)
Classification: Main-belt Asteroid          SPK-ID: 2022263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2677410098798796 3.0365e-08  
a 2.427459160640073 7.0062e-09 au
q 1.777528793528135 7.5514e-08 au
i 11.02278854449765 5.2823e-06 deg
node 170.5861452368434 1.5119e-05 deg
peri 241.090263763969 1.8538e-05 deg
M 132.0557730384843 9.2806e-06 deg
tp 2458493.764633337813
(2019-Jan-10.26463334)
3.4869e-05 TDB
period 1381.421862906548
3.78
5.9806e-06
1.637e-08
d
yr
n .2606010587110228 1.1282e-09 deg/d
Q 3.077389527752012 8.882e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2011  
   data-arc span      23774 days (65.09 yr)  
   first obs. used      1954-12-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:43:30  

Additional Information
 Earth MOID = .816142 au 
 Jupiter MOID = 2.40148 au 
 T_jup = 3.435 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a PDS3 (MPO 9943)  
diameter diameter 5.840 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22263 Pignedoli           Discovered 1980 Sept. 3 at Osservatorio San Vittore.
Antonio Pignedoli (1918-1989) was professor of mathematics at the military academy of Modena. A member of Accademia Nazionale dei Lincei and many other groups, he wrote textbooks on mathematics and mathematical physics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1980 RC = 1999 RR168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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