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183538 (2003 GC55)
Classification: Main-belt Asteroid          SPK-ID: 2183538
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143558460136961 7.8374e-08  
a 3.006429071207848 2.7902e-08 au
q 2.574830743234256 2.3281e-07 au
i 13.40994690279845 7.9814e-06 deg
node 97.3031230781136 2.6468e-05 deg
peri 128.5103095624432 3.814e-05 deg
M 6.837971609797717 2.2897e-05 deg
tp 2458564.334067879398
(2019-Mar-21.83406788)
0.00012119 TDB
period 1904.034749831608
5.21
2.6507e-05
7.257e-08
d
yr
n .1890721795029414 2.6321e-09 deg/d
Q 3.438027399181441 3.1908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1998-04-18  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:50:38  

Additional Information
 Earth MOID = 1.58781 au 
 Jupiter MOID = 1.68893 au 
 T_jup = 3.194 
[ 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 15.6   n/a MPO436907  
diameter diameter 4.991 km 1.605 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183538 (2003 GC55)          Discovered 2003-Apr-04 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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