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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652364873548945 4.6449e-08  
a 2.271331549709227 1.433e-08 au
q 1.896024702816925 1.0325e-07 au
i 3.292274475139326 4.8841e-06 deg
node 241.2502973471976 0.00010609 deg
peri 1.893930040520098 0.00010787 deg
M 261.7899811597042 2.1299e-05 deg
tp 2457941.592775276143
(2017-Jul-07.09277528)
7.4955e-05 JED
period 1250.314382884825
3.42
1.1833e-05
3.24e-08
d
yr
n .2879275843963174 2.7249e-09 deg/d
Q 2.646638396601529 1.6698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      1995-11-30  
   last obs. used      2016-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:05:46  

Additional Information
 Earth MOID = .882874 au 
 Jupiter MOID = 2.36684 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 16.2 mag n/a MPO309394  

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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