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175209 (2005 GD28)
Classification: Main-belt Asteroid          SPK-ID: 2175209
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438654183722693 3.7309e-08  
a 2.284625843921435 1.1431e-08 au
q 1.955947191061579 8.434e-08 au
i 2.347745784262618 3.83e-06 deg
node 261.0070969959087 0.00010419 deg
peri 234.9879688381484 0.0001053 deg
M 248.4312347926131 1.6695e-05 deg
tp 2459591.395958754580
(2022-Jan-11.89595875)		 6.0264e-05 TDB
period 1261.307722551828
3.45		 9.4664e-06
2.592e-08		 d
yr
n .285418057436184 2.1421e-09 deg/d
Q 2.613304496781292 1.3076e-08 au
   Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      8229 days (22.53 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:28  

Additional Information
 Earth MOID = .97086 au 
 Jupiter MOID = 2.42046 au 
 T_jup = 3.588 
[ 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 17.32   n/a E2021B55  

175209 (2005 GD28)          Discovered 2005-Apr-03 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2005 GD28 = 2003 TQ42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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