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227928 (2007 GT1)
Classification: Main-belt Asteroid          SPK-ID: 2227928
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776324729219772 4.2619e-08  
a 3.134449794555169 2.843e-08 au
q 2.577669726298551 1.3209e-07 au
i 2.453420952116141 6.9142e-06 deg
node 38.46819234419157 0.00011622 deg
peri 244.4205734238743 0.00011817 deg
M 98.41209149353078 2.2084e-05 deg
tp 2458646.402277851887
(2019-Jun-11.90227785)		 0.00012124 TDB
period 2026.937716148766
5.55		 2.7577e-05
7.55e-08		 d
yr
n .1776078254066974 2.4164e-09 deg/d
Q 3.691229862811787 3.348e-08 au
   Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:42  

Additional Information
 Earth MOID = 1.56055 au 
 Jupiter MOID = 1.47298 au 
 T_jup = 3.186 
[ 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 15.89   n/a E2021B55  
diameter diameter 4.955 km 0.568 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227928 (2007 GT1)          Discovered 2007-Apr-06 by Ory, M. at Vicques
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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