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20606 Widemann (1999 RM214)
Classification: Main-belt Asteroid          SPK-ID: 2020606
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283255318158218 7.4915e-08  
a 3.073712882198813 4.6014e-08 AU
q 2.679277041941508 2.2928e-07 AU
i 8.854922442890121 9.3974e-06 deg
node 29.54507394234921 4.3719e-05 deg
peri 295.6728179630485 5.7791e-05 deg
M 334.4366891915511 4.4885e-05 deg
tp 2457140.268071350400
(2015-Apr-27.76807135)
0.0002473 JED
period 1968.309428429512
5.39
4.4199e-05
1.21e-07
d
yr
n .1828980722239588 4.107e-09 deg/d
Q 3.468148722456118 5.1918e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1992-04-04  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55375  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:45:29  

Additional Information
 Earth MOID = 1.68388 AU 
 T_jup = 3.199 
[ 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 13.4 mag n/a MPO263531  

20606 Widemann           Discovered 1999 Sept. 5 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Thomas Widemann (b. 1961) is a planetary scientist at Paris Observatory and an associate professor at Versailles University. He is an expert in the field of stellar occultations and groundbased spectroscopy of planetary atmospheres.
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

[ show close-approach data ]
Alternate Designations
 1999 RM214 = 1992 GL4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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