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277131 (2005 GR196)
Classification: Main-belt Asteroid          SPK-ID: 2277131
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03322706866210944 8.7513e-08  
a 3.171488495684763 5.3703e-08 au
q 3.066109229677555 2.9559e-07 au
i 8.889439937403464 9.4159e-06 deg
node 10.33378376933013 4.2777e-05 deg
peri 339.8093033874743 0.00010821 deg
M 76.50636788942555 9.7442e-05 deg
tp 2458562.082156875381
(2019-Mar-19.58215688)		 0.00056034 TDB
period 2062.971068669404
5.65		 5.2399e-05
1.435e-07		 d
yr
n .1745055980024947 4.4324e-09 deg/d
Q 3.276867761691971 5.5488e-08 au
   Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6231 days (17.06 yr)  
   first obs. used      2002-10-10  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:09:44  

Additional Information
 Earth MOID = 2.06255 au 
 Jupiter MOID = 1.88447 au 
 T_jup = 3.182 
[ 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 15.8   n/a MPO455057  
diameter diameter 3.923 km 1.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277131 (2005 GR196)          Discovered 2005-Apr-10 by Buie, M. W. at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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