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JPL Small-Body Database Browser
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17931 (1999 GA27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478363437519578 5.0158e-08  
a 3.205686440792918 1.9947e-08 au
q 2.731769478170866 1.6377e-07 au
i 2.237105549453851 4.0869e-06 deg
node 115.0095886058482 0.00014339 deg
peri 100.6808269709626 0.00014415 deg
M 167.4499331535135 1.7223e-05 deg
tp 2457625.370118491649
(2016-Aug-24.87011849)
9.6482e-05 TDB
period 2096.428172480524
5.74
1.9568e-05
5.357e-08
d
yr
n .1717206459661543 1.6028e-09 deg/d
Q 3.67960340341497 2.2896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      8870 days (24.28 yr)  
   first obs. used      1995-08-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55099  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:24:08  

Additional Information
 Earth MOID = 1.72628 au 
 Jupiter MOID = 1.29136 au 
 T_jup = 3.175 
[ 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 13.6   n/a MPO365467  
diameter diameter 8.414 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17931 (1999 GA27)          Discovered 1999-Apr-07 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GA27 = 2000 OF13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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