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117754 (2005 GA54)
Classification: Main-belt Asteroid          SPK-ID: 2117754
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660098461338845 5.8375e-08  
a 2.630088005288282 2.0976e-08 au
q 2.1934675002118 1.529e-07 au
i 6.573061872182533 6.6382e-06 deg
node 24.44171112613475 4.0225e-05 deg
peri 178.3781471690418 4.4418e-05 deg
M 112.5767575060938 2.4961e-05 deg
tp 2458113.308073468528
(2017-Dec-25.80807347)
0.00010379 TDB
period 1557.951192028567
4.27
1.8638e-05
5.103e-08
d
yr
n .231072707439091 2.7643e-09 deg/d
Q 3.066708510364766 2.4458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10067 days (27.56 yr)  
   first obs. used      1992-03-30  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:54:23  

Additional Information
 Earth MOID = 1.19045 au 
 Jupiter MOID = 1.89229 au 
 T_jup = 3.371 
[ 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 15.5   n/a MPO449688  
diameter diameter 4.221 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117754 (2005 GA54)          Discovered 2005-Apr-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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