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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06466087341887909 3.5421e-08  
a 2.774045039125116 1.2221e-08 au
q 2.594672863991977 9.8043e-08 au
i 7.506262167009163 3.4766e-06 deg
node 277.9159125160293 3.2625e-05 deg
peri 22.5207238729629 4.5536e-05 deg
M 66.99878584101344 3.1368e-05 deg
tp 2458686.425179323762
(2019-Jul-21.92517932)
0.00014738 TDB
period 1687.596782899185
4.62
1.1152e-05
3.053e-08
d
yr
n .2133210987648026 1.4097e-09 deg/d
Q 2.953417214258255 1.3011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      12139 days (33.23 yr)  
   first obs. used      1987-08-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:57  

Additional Information
 Earth MOID = 1.58058 au 
 Jupiter MOID = 2.1967 au 
 T_jup = 3.320 
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Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06605701656734235 3.543e-08  
q 2.59186003588888 9.8463e-08 au
tp 2457004.834046382494
(2014-Dec-13.33404638)
0.00014664 TDB
node 277.9994498788379 3.268e-05 deg
peri 23.96586942145796 4.5123e-05 deg
i 7.498629778854763 3.4738e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      12139 days (33.23 yr)  
   first obs. used      1987-08-06  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:57  

Additional Information
 Jupiter MOID = 2.1967 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.255285185197975E-15 -3.464707473864371E-15 1.206931825226598E-12 -1.612196159656102E-15 2.375811134466561E-13 8.603634114500493E-16
q -3.464707473864371E-15 9.69498802040666E-15 -3.795019920950352E-12 6.888114668870155E-15 -7.565342684153276E-13 -2.023724514973788E-15
tp 1.206931825226598E-12 -3.795019920950352E-12 2.150270037643897E-8 -5.19522544573953E-11 4.589937885041876E-9 -3.785699911281855E-12
node -1.612196159656102E-15 6.888114668870155E-15 -5.19522544573953E-11 1.067958604869046E-9 -1.069187571221266E-9 1.405768518139573E-11
peri 2.375811134466561E-13 -7.565342684153276E-13 4.589937885041876E-9 -1.069187571221266E-9 2.036056197175217E-9 -1.475513289187415E-11
i 8.603634114500493E-16 -2.023724514973788E-15 -3.785699911281855E-12 1.405768518139573E-11 -1.475513289187415E-11 1.206710786268595E-11

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 12.7   n/a MPO449044  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2174-Feb-26 04:47 00:03 Inter 0.00903535172534458 0.00900819541694015 0.00906251320581316 3.62359339962721 3.62359295249681 2515153.698982752 2.92413484055787 1395.05756007979 35.2474093990151 14.1335801499172 9396.60897868714 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:46:03 2020-Nov-13 02:46

Alternate Designations
 1987 PM = 1988 XK4 = 1999 CN70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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