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13437 Wellton-Persson (1999 WF8)
Classification: Main-belt Asteroid          SPK-ID: 2013437
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08801610800737467 5.938e-08  
a 2.348247105146795 1.3727e-08 AU
q 2.14156353431219 1.3948e-07 AU
i 1.450621027705922 7.2391e-06 deg
node 171.8607380690294 0.00020401 deg
peri 162.3052081993416 0.00020786 deg
M 144.4818800722105 3.6736e-05 deg
tp 2456472.996915072024
(2013-Jun-29.49691507)
0.00013392 JED
period 1314.359354122197
3.60
1.1525e-05
3.155e-08
d
yr
n .2738976969052944 2.4017e-09 deg/d
Q 2.5549306759814 1.4935e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      13311 days (36.44 yr)  
   first obs. used      1977-09-09  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58789  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:39:01  

Additional Information
 Earth MOID = 1.132 AU 
 T_jup = 3.554 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO267760  

13437 Wellton-Persson           Discovered 1999 Nov. 28 by Uppsala-DLR Asteroid Survey at Kvistaberg.
Helen Wellton (b. 1961) and Claes Wellton Persson (b. 1943) are Swedish entrepreneurs whose interest in minor planets and comets has resulted in generous support and sponsorship for the Uppsala-DLR Asteroid Survey. The name was suggested by G. Hahn.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1999 WF8 = 1977 RP17 = 1997 AX20 = 1998 MS20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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