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308280 (2005 GU208)
Classification: Main-belt Asteroid          SPK-ID: 2308280
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06836760960045334 7.6308e-08  
a 2.589284688254175 3.0746e-08 au
q 2.412261483543182 1.8627e-07 au
i 15.95149083616004 6.362e-06 deg
node 87.62912011302006 2.2588e-05 deg
peri 145.1752516382651 4.5256e-05 deg
M 186.9138306788575 3.8038e-05 deg
tp 2459732.191478592533
(2022-Jun-01.69147859)
0.00016039 TDB
period 1521.83697476478
4.17
2.7106e-05
7.421e-08
d
yr
n .2365562185500472 4.2134e-09 deg/d
Q 2.766307892965168 3.2848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      5842 days (15.99 yr)  
   first obs. used      2003-12-01  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:16:18  

Additional Information
 Earth MOID = 1.41115 au 
 Jupiter MOID = 2.30286 au 
 T_jup = 3.363 
[ 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 16.3   n/a MPO455271  

308280 (2005 GU208)          Discovered 2005-Apr-01 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2005 GU208 = 2003 XY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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