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120143 (2003 GG42)
Classification: Main-belt Asteroid          SPK-ID: 2120143
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855086928415708 5.4749e-08  
a 3.187218801240773 4.1161e-08 au
q 2.595962007622519 1.8898e-07 au
i 17.37188863422607 5.987e-06 deg
node 263.1741122413623 2.5608e-05 deg
peri 3.899275393940906 3.4158e-05 deg
M 302.2261392180658 2.3654e-05 deg
tp 2459334.037857426292
(2021-Apr-29.53785743)
0.00013987 TDB
period 2078.338318546507
5.69
4.0261e-05
1.102e-07
d
yr
n .1732153022380722 3.3554e-09 deg/d
Q 3.778475594859026 4.8796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:13  

Additional Information
 Earth MOID = 1.58035 au 
 Jupiter MOID = 1.33135 au 
 T_jup = 3.101 
[ 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 14.55   n/a E2021B55  
diameter diameter 7.034 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120143 (2003 GG42)          Discovered 2003-Apr-09 by Broughton, J. at Reedy Creek
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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