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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855086936022158 5.4981e-08  
a 3.187218801523612 4.1214e-08 au
q 2.595962005428547 1.8953e-07 au
i 17.37188834461869 6.0124e-06 deg
node 263.1741119611318 2.5614e-05 deg
peri 3.899275614006794 3.4172e-05 deg
M 302.2261391469423 2.3655e-05 deg
tp 2459334.037857881298
(2021-Apr-29.53785788)		 0.00013987 TDB
period 2078.33831882316
5.69		 4.0312e-05
1.104e-07		 d
yr
n .173215302215015 3.3598e-09 deg/d
Q 3.778475597618676 4.8859e-08 au
   Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      7088 days (19.41 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:35:04  

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 14.5   n/a MPO436580  
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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