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269550 Chur (2009 WT5)
Classification: Main-belt Asteroid          SPK-ID: 2269550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09591220856620421 1.2946e-07  
a 2.704559757088822 4.5129e-08 au
q 2.445159457587156 3.4676e-07 au
i 14.29089611649024 9.6602e-06 deg
node 67.18173653665977 3.047e-05 deg
peri 160.6744190417677 7.1039e-05 deg
M 248.0981202785019 5.5398e-05 deg
tp 2459105.484653783105
(2020-Sep-12.98465378)
0.00025106 TDB
period 1624.588217949231
4.45
4.0663e-05
1.113e-07
d
yr
n .2215946145752795 5.5464e-09 deg/d
Q 2.963960056590488 4.9457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2000-12-03  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:41:37  

Additional Information
 Earth MOID = 1.43779 au 
 Jupiter MOID = 2.04745 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO386129  

269550 Chur           Discovered 2009 Nov. 16 by J. De Queiroz at Sternwarte Mirasteilas, Falera.
The city of Chur, capital of Grisons canton, is the oldest town in Switzerland, with a settlement history dating back 5,000 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110715/MPCPages.arcLast Updated: 2011-07-20

[ show close-approach data ]
Alternate Designations
 2009 WT5 = 2007 KX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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