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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649625998491058 9.048e-08  
a 2.27180802087715 2.6771e-08 AU
q 1.897044663395204 2.1743e-07 AU
i 3.29179042877573 7.8579e-06 deg
node 241.265149324566 0.00016233 deg
peri 2.001799096174572 0.00016672 deg
M 31.33522382637296 4.6289e-05 deg
tp 2456691.635528113139
(2014-Feb-03.13552811)
0.00015956 JED
period 1250.707832706943
3.42
2.2107e-05
6.053e-08
d
yr
n .2878370076413783 5.0878e-09 deg/d
Q 2.646571378359096 3.1187e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6290 days (17.22 yr)  
   first obs. used      1995-11-30  
   last obs. used      2013-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54729  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 22:51:05  

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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