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JPL Small-Body Database Browser
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172904 (2005 GR79)
Classification: Main-belt Asteroid          SPK-ID: 2172904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279048387844173 5.8713e-08  
a 2.417482428784189 1.5446e-08 au
q 2.108274728466386 1.4363e-07 au
i 2.916343652647519 4.9752e-06 deg
node 55.93346693503302 0.00012847 deg
peri 90.22101553890349 0.00013011 deg
M 55.8910522233107 2.0561e-05 deg
tp 2458787.351048240869
(2019-Oct-30.85104824)
7.7836e-05 TDB
period 1372.914260527797
3.76
1.3158e-05
3.602e-08
d
yr
n .2622159375499554 2.513e-09 deg/d
Q 2.726690129101992 1.7421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7400 days (20.26 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:48:06  

Additional Information
 Earth MOID = 1.12255 au 
 Jupiter MOID = 2.27697 au 
 T_jup = 3.503 
[ 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 17.1   n/a MPO417931  

172904 (2005 GR79)          Discovered 2005-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2005 GR79 = 1999 TA308 = 2001 DD59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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