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JPL Small-Body Database Browser
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172808 (2004 GS26)
Classification: Main-belt Asteroid          SPK-ID: 2172808
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323716187507677 6.5287e-08  
a 3.123574074321552 4.297e-08 au
q 2.710101517815677 2.099e-07 au
i 14.59525185470608 9.4149e-06 deg
node 189.567441469359 2.113e-05 deg
peri 327.4408293167788 3.7534e-05 deg
M 17.21559702609985 3.3013e-05 deg
tp 2458904.073649798031
(2020-Feb-24.57364980)
0.00018434 TDB
period 2016.397457496321
5.52
4.1608e-05
1.139e-07
d
yr
n .1785362298794988 3.6841e-09 deg/d
Q 3.537046630827427 4.8658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7590 days (20.78 yr)  
   first obs. used      1998-03-03  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:44:18  

Additional Information
 Earth MOID = 1.72929 au 
 Jupiter MOID = 1.48932 au 
 T_jup = 3.152 
[ 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 15.2   n/a MPO422659  
diameter diameter 4.992 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172808 (2004 GS26)          Discovered 2004-Apr-14 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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