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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08064007866956628 6.9396e-08  
a 2.158910855821895 1.0272e-08 au
q 1.984816114567837 1.4909e-07 au
i 4.119615085098832 7.5548e-06 deg
node 21.82198084096836 7.5876e-05 deg
peri 212.4155654811695 8.4053e-05 deg
M 296.2789858755573 3.8282e-05 deg
tp 2457605.583476254804
(2016-Aug-05.08347625)
0.00012354 JED
period 1158.645267439476
3.17
8.2692e-06
2.264e-08
d
yr
n .3107076946817162 2.2175e-09 deg/d
Q 2.333005597075953 1.11e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      7360 days (20.15 yr)  
   first obs. used      1995-10-24  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54544  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:51  

Additional Information
 Earth MOID = .974345 au 
 Jupiter MOID = 2.65046 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 15.4 mag n/a MPO324434  

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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