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JPL Small-Body Database Browser
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154551 (2003 GC44)
Classification: Main-belt Asteroid          SPK-ID: 2154551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04227343714285155 5.3297e-08  
a 2.678331683094242 2.7283e-08 au
q 2.565109397041249 1.3861e-07 au
i 32.72134817527897 8.709e-06 deg
node 56.8536063554993 9.2106e-06 deg
peri 245.1426022074072 0.00013573 deg
M 240.4588072582163 0.00014188 deg
tp 2459532.130696228481
(2021-Nov-13.63069623)
0.00063428 TDB
period 1601.013393397044
4.38
2.4463e-05
6.698e-08
d
yr
n .2248575817571075 3.4357e-09 deg/d
Q 2.791553969147234 2.8436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      7018 days (19.21 yr)  
   first obs. used      2000-11-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:32:53  

Additional Information
 Earth MOID = 1.6044 au 
 Jupiter MOID = 2.29535 au 
 T_jup = 3.149 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO385689  
diameter diameter 5.758 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154551 (2003 GC44)          Discovered 2003-Apr-09 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2003 GC44 = 2002 CE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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