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13500 Viscardy (1987 PM)
Classification: Main-belt Asteroid          SPK-ID: 2013500
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06600860967398177 6.708e-08  
a 2.774927680742288 2.9599e-08 AU
q 2.591758562590643 1.9516e-07 AU
i 7.498957854908712 5.4797e-06 deg
node 277.9998231520338 5.7372e-05 deg
peri 24.05812348029183 8.8998e-05 deg
M 316.3510848205753 7.3125e-05 deg
tp 2457005.213688949858
(2014-Dec-13.71368895)
0.00034425 JED
period 1688.402282599875
4.62
2.7014e-05
7.396e-08
d
yr
n .2132193279469252 3.4115e-09 deg/d
Q 2.958096798893933 3.1553e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      9410 days (25.76 yr)  
   first obs. used      1987-08-06  
   last obs. used      2013-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51783  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:32:53  

Additional Information
 Earth MOID = 1.57726 AU 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO263470  

13500 Viscardy           Discovered 1987 Aug. 6 at Caussols.
Georges Viscardy (b. 1917) is the founder of the Société Monégasque d´Astronomie and of the Observatoire de Saint Martin de Peille on the French Riviera. An inspiration for many amateur astronomers, he has dedicated his life to high-resolution imaging, producing a wonderful photographic atlas of the moon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1987 PM = 1988 XK4 = 1999 CN70 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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