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JPL Small-Body Database Browser
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66253 (1999 GT3)
Classification: Apollo [NEO]          SPK-ID: 2066253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8377167464988641 1.0647e-07  
a 1.334005804225579 3.7146e-09 au
q .2164868020991263 1.4202e-07 au
i 19.49951706114469 1.7889e-05 deg
node 157.3813625342347 8.5176e-05 deg
peri 261.09120925 7.6733e-05 deg
M 299.8922415872727 1.5963e-05 deg
tp 2459094.464333389645
(2020-Sep-01.96433339)
2.5019e-05 TDB
period 562.7752708394058
1.54
2.3506e-06
6.436e-09
d
yr
n .6396869561504418 2.6718e-09 deg/d
Q 2.451524806352031 6.8263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7356 days (20.14 yr)  
   first obs. used      1999-04-09  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56112  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-11 23:30:25  

Additional Information
 Earth MOID = .193773 au 
 Jupiter MOID = 3.14722 au 
 T_jup = 4.422 
[ 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 18.4   n/a MPO474541  

66253 (1999 GT3)          Discovered 1999-Apr-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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