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31110 Clapas (1997 PN4)
Classification: Main-belt Asteroid          SPK-ID: 2031110
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650047329863205 4.9753e-08  
a 2.271686855109627 1.6413e-08 AU
q 1.896847772153729 1.1102e-07 AU
i 3.291758606940012 5.5318e-06 deg
node 241.2588275619666 0.00013357 deg
peri 1.98156032798822 0.00013588 deg
M 88.92426282164779 2.52e-05 deg
tp 2456691.585070863032
(2014-Feb-03.08507086)
8.7489e-05 JED
period 1250.607775207056
3.42
1.3554e-05
3.711e-08
d
yr
n .2878600366452997 3.1197e-09 deg/d
Q 2.646525938065525 1.9121e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      1995-11-30  
   last obs. used      2014-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53274  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:50:04  

Additional Information
 Earth MOID = .885455 AU 
 T_jup = 3.592 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1 mag n/a MPO253571  

31110 Clapas           Discovered 1997 Aug. 13 at Pises.
Clapas is the former name for stone houses in the Montpellier area. Nowadays, it's the nickname of the area.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1997 PN4 = 2000 JE37 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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