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30798 Graubunden (1989 CR5)
Classification: Main-belt Asteroid          SPK-ID: 2030798
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312733156696726 8.689e-08  
a 2.704008485786691 3.1869e-08 AU
q 2.349044326258541 2.3463e-07 AU
i 7.841729221998584 8.8542e-06 deg
node 323.382174765226 5.0871e-05 deg
peri 195.4341822569589 5.8287e-05 deg
M 274.1369426447765 3.2215e-05 deg
tp 2457387.859623404367
(2015-Dec-31.35962340)
0.00014925 JED
period 1624.091532737491
4.45
2.8712e-05
7.861e-08
d
yr
n .2216623833960893 3.9187e-09 deg/d
Q 3.05897264531484 3.6052e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9403 days (25.74 yr)  
   first obs. used      1989-02-02  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:57:43  

Additional Information
 Earth MOID = 1.36021 AU 
 T_jup = 3.340 
[ 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 13.8 mag n/a MPO267816  

30798 Graubünden           Discovered 1989 Feb. 2 by F. Borngen at Tautenburg.
Graubünden, also known as Grisons (French), Grigioni (Italian) and Grishun (Romansh), is the largest canton of Switzerland. Its capital Chur was once Curia Raetorium in the Roman province of Raetia. It is an enchanting landscape with superb mountains and glaciers, high passes and picturesque villages.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1989 CR5 = 1998 CB5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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