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13633 Ivens (1995 WW17)
Classification: Main-belt Asteroid          SPK-ID: 2013633
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08088005953286018 7.077e-08  
a 2.158130125064362 1.2372e-08 AU
q 1.983580432069497 1.5313e-07 AU
i 4.119428283029132 7.7959e-06 deg
node 21.83373657044614 9.1345e-05 deg
peri 212.6841898163698 0.00010145 deg
M 171.6782294924239 4.2592e-05 deg
tp 2456448.260340680797
(2013-Jun-04.76034068)
0.00013759 JED
period 1158.016819853599
3.17
9.9582e-06
2.726e-08
d
yr
n .3108763135629694 2.6733e-09 deg/d
Q 2.332679818059227 1.3373e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      6918 days (18.94 yr)  
   first obs. used      1995-10-24  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57386  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:25:39  

Additional Information
 Earth MOID = .975497 AU 
 T_jup = 3.692 
[ 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 15.3 mag n/a PDS3 (MPC 38352)  

13633 Ivens           Discovered 1995 Nov. 17 by Spacewatch at Kitt Peak.
John Ivens (b. 1964) is a computer programer working at the University of Arizona's Lunar and Planetary Laboratory. He spent many a night and day writing software to support infrared observations in the Saturn system during the Cassini mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1995 WW17 = 1997 FJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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