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JPL Small-Body Database Browser
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172815 (2004 GD88)
Classification: Main-belt Asteroid          SPK-ID: 2172815
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 .1298622902799561 6.0232e-08  
a 3.007943824711747 3.5155e-08 au
q 2.617325350601229 1.9483e-07 au
i 12.8918130064065 8.8459e-06 deg
node 299.1614040589521 3.2574e-05 deg
peri 294.0999278963455 5.2835e-05 deg
M 15.73773798287205 4.354e-05 deg
tp 2458917.200418695910
(2020-Mar-08.70041870)
0.00022992 TDB
period 1905.473918939884
5.22
3.3405e-05
9.146e-08
d
yr
n .1889293767926706 3.3121e-09 deg/d
Q 3.398562298822266 3.972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6808 days (18.64 yr)  
   first obs. used      2000-08-31  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60059  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:17:48  

Additional Information
 Earth MOID = 1.6371 au 
 Jupiter MOID = 1.8434 au 
 T_jup = 3.200 
[ 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 15.0   n/a MPO310310  
diameter diameter 4.436 km 0.945 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172815 (2004 GD88)          Discovered 2004-Apr-13 by Siding Spring Survey at Siding Spring
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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