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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566172177685642 4.8449e-08  
a 2.559172855645715 1.3217e-08 au
q 2.158362323205651 1.2747e-07 au
i 13.7425687348294 5.0812e-06 deg
node 147.0581146681217 2.2745e-05 deg
peri 115.2517643029201 3.0075e-05 deg
M 47.24663348256921 2.0721e-05 deg
tp 2458804.247035462068
(2019-Nov-16.74703546)
8.5678e-05 TDB
period 1495.36722568225
4.09
1.1584e-05
3.172e-08
d
yr
n .2407435403271947 1.8649e-09 deg/d
Q 2.959983388085778 1.5286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      10669 days (29.21 yr)  
   first obs. used      1990-02-24  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:56:20  

Additional Information
 Earth MOID = 1.18236 au 
 Jupiter MOID = 2.27601 au 
 T_jup = 3.379 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO474040  
diameter diameter 6.758 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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