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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649626528224816 5.3811e-08  
a 2.271808010828111 1.7563e-08 AU
q 1.897044534658541 1.2253e-07 AU
i 3.29179276694179 6.0904e-06 deg
node 241.2651117098834 0.00013825 deg
peri 2.001814278627221 0.00014072 deg
M 31.33524751113838 2.7301e-05 deg
tp 2456691.635446550123
(2014-Feb-03.13544655)
9.467e-05 JED
period 1250.707824408435
3.42
1.4503e-05
3.971e-08
d
yr
n .2878370095511909 3.3378e-09 deg/d
Q 2.646571486997682 2.046e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      1995-11-30  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53928  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:04:03  

Additional Information
 Earth MOID = .884076 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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