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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08080985750342705 7.3351e-08  
a 2.15837244452785 1.4139e-08 AU
q 1.98395467484623 1.5974e-07 AU
i 4.119244485811655 8.1129e-06 deg
node 21.83414154791592 9.8645e-05 deg
peri 212.7565204071497 0.0001106 deg
M 109.430423094265 4.7461e-05 deg
tp 2456448.434405230376
(2013-Jun-04.93440523)
0.00015349 JED
period 1158.211862234012
3.17
1.1381e-05
3.116e-08
d
yr
n .3108239621252156 3.0542e-09 deg/d
Q 2.332790214209469 1.5281e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      6467 days (17.71 yr)  
   first obs. used      1995-10-24  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57234  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:34:46  

Additional Information
 Earth MOID = .974402 AU 
 T_jup = 3.691 
[ 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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