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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08038000497009819 6.2849e-08  
a 2.158385358785459 8.4832e-09 au
q 1.984894332918897 1.3717e-07 au
i 4.119880399416277 6.8381e-06 deg
node 21.82044590576536 5.7279e-05 deg
peri 212.4517448343774 6.6441e-05 deg
M 358.3844512457972 3.3799e-05 deg
tp 2457605.697679235294
(2016-Aug-05.19767924)
0.00010874 JED
period 1158.222257197657
3.17
6.8283e-06
1.869e-08
d
yr
n .3108211725019233 1.8325e-09 deg/d
Q 2.331876384652022 9.1651e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      7480 days (20.48 yr)  
   first obs. used      1995-10-24  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51453  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:17:01  

Additional Information
 Earth MOID = .975047 au 
 Jupiter MOID = 2.65222 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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