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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8379636182452994 1.0637e-07  
a 1.333811071304472 3.7096e-09 au
q .2161259199385376 1.4187e-07 au
i 19.50295427053185 1.7919e-05 deg
node 157.4489129598542 8.5209e-05 deg
peri 261.02723673 7.6755e-05 deg
M 43.9945798123902 1.5847e-05 deg
tp 2458531.739887717842
(2019-Feb-17.23988772)
2.4738e-05 TDB
period 562.6520477553365
1.54
2.3473e-06
6.427e-09
d
yr
n .6398270501923816 2.6693e-09 deg/d
Q 2.451496222670406 6.8182e-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 = .193586 au 
 Jupiter MOID = 3.14589 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 18.3   n/a MPO381719  

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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