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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440774231814908 7.78e-08  
a 3.004870397307495 2.805e-08 au
q 2.571936413469089 2.3123e-07 au
i 13.41228057968932 7.958e-06 deg
node 97.29663841995563 2.6432e-05 deg
peri 128.0175015286226 3.8193e-05 deg
M 82.87171483642943 2.281e-05 deg
tp 2458562.533523231122
(2019-Mar-20.03352323)
0.00012137 TDB
period 1902.554230330554
5.21
2.664e-05
7.294e-08
d
yr
n .1892193106829091 2.6495e-09 deg/d
Q 3.437804381145901 3.2091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   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      .65744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:38:20  

Additional Information
 Earth MOID = 1.58547 au 
 Jupiter MOID = 1.68988 au 
 T_jup = 3.195 
[ 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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