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JPL Small-Body Database Browser
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80017 (1999 GQ39)
Classification: Main-belt Asteroid          SPK-ID: 2080017
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687674467254844 4.8501e-08  
a 2.773803906563522 2.2312e-08 au
q 2.305676103535622 1.3481e-07 au
i 14.49366056919376 5.5431e-06 deg
node 56.94550629037975 1.9481e-05 deg
peri 179.1270280220511 2.4994e-05 deg
M 172.531696513754 1.9944e-05 deg
tp 2458191.816742007583
(2018-Mar-14.31674201)
8.7427e-05 TDB
period 1687.376747344868
4.62
2.0359e-05
5.574e-08
d
yr
n .2133489160417017 2.5742e-09 deg/d
Q 3.241931709591422 2.6077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:50:56  

Additional Information
 Earth MOID = 1.29408 au 
 Jupiter MOID = 1.76342 au 
 T_jup = 3.269 
[ 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 15.0   n/a MPO309750  

80017 (1999 GQ39)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Alternate Designations
 1999 GQ39 = 2001 WQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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