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20896 Tiphene (2000 WW141)
Classification: Main-belt Asteroid          SPK-ID: 2020896
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555755861148139 9.1305e-08  
a 2.559537919242314 2.9748e-08 AU
q 2.1613363072731 2.3579e-07 AU
i 13.73724119419904 7.4075e-06 deg
node 147.1025658797477 3.9224e-05 deg
peri 115.249852768665 4.6036e-05 deg
M 285.7819592838151 2.8218e-05 deg
tp 2457308.852705464045
(2015-Oct-13.35270546)
0.00011925 JED
period 1495.687206181508
4.09
2.6075e-05
7.139e-08
d
yr
n .2406920367521766 4.1962e-09 deg/d
Q 2.957739531211528 3.4376e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      9075 days (24.85 yr)  
   first obs. used      1990-02-24  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:48:17  

Additional Information
 Earth MOID = 1.1866 AU 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO250418  

20896 Tiphene           Discovered 2000 Nov. 20 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Didier Tiphene (b. 1957) is deputy director of the Laboratoire d´Etudes Spatiales et d´Instrumentation en Astrophysique at Paris Observatory. He specializes in detector development for astronomy space missions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18

Alternate Designations
 2000 WW141 = 1990 DX2 = 1998 BU47 = 1999 NC58 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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