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175211 (2005 GR28)
Classification: Main-belt Asteroid          SPK-ID: 2175211
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387392875052408 8.0152e-08  
a 2.434187194605786 1.4361e-08 au
q 2.096469797571798 1.9001e-07 au
i 4.315387923527106 7.8579e-06 deg
node 1.779037916322639 5.0453e-05 deg
peri 22.42163602581746 5.3153e-05 deg
M 224.5695554387463 1.6323e-05 deg
tp 2459722.346999015226
(2022-May-22.84699902)		 6.4926e-05 TDB
period 1387.169039089377
3.80		 1.2276e-05
3.361e-08		 d
yr
n .2595213631904055 2.2966e-09 deg/d
Q 2.771904591639773 1.6353e-08 au
   Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-09-08  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:01:54  

Additional Information
 Earth MOID = 1.09925 au 
 Jupiter MOID = 2.68904 au 
 T_jup = 3.488 
[ 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 16.16   n/a E2021B55  

175211 (2005 GR28)          Discovered 2005-Apr-04 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2005 GR28 = 2001 FC142 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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