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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652175853228258 4.6665e-08  
a 2.271173148174314 1.4669e-08 au
q 1.895935404782913 1.0348e-07 au
i 3.292383088882838 4.8938e-06 deg
node 241.2531487051791 0.0001123 deg
peri 1.928133609204084 0.00011416 deg
M 204.1536384513229 2.1751e-05 deg
tp 2457941.712677443844
(2017-Jul-07.21267744)
7.6773e-05 JED
period 1250.183590708524
3.42
1.2112e-05
3.316e-08
d
yr
n .2879577069124504 2.7897e-09 deg/d
Q 2.646410891565715 1.7092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7323 days (20.05 yr)  
   first obs. used      1995-11-30  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50408  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:15:57  

Additional Information
 Earth MOID = .881959 au 
 Jupiter MOID = 2.36621 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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