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117748 (2005 GC44)
Classification: Main-belt Asteroid          SPK-ID: 2117748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07421713356982325 5.3264e-08  
a 2.813198069910511 2.1306e-08 au
q 2.604410572997593 1.4934e-07 au
i 5.896555798767161 4.6831e-06 deg
node 255.6389332226176 5.9104e-05 deg
peri 257.3153656635789 7.1998e-05 deg
M 117.8079525573515 3.8672e-05 deg
tp 2458436.510523544318
(2018-Nov-14.01052354)
0.00018488 TDB
period 1723.45081224634
4.72
1.9579e-05
5.36e-08
d
yr
n .2088832460096597 2.373e-09 deg/d
Q 3.021985566823428 2.2887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      7385 days (20.22 yr)  
   first obs. used      1999-02-13  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:03  

Additional Information
 Earth MOID = 1.62287 au 
 Jupiter MOID = 2.01804 au 
 T_jup = 3.308 
[ 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 15.3   n/a MPO436565  
diameter diameter 5.756 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117748 (2005 GC44)          Discovered 2005-Apr-05 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 GC44 = 2003 YB104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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