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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687674448784957 4.8358e-08  
a 2.773803905579375 2.2261e-08 au
q 2.305676107840751 1.3451e-07 au
i 14.49366041663682 5.5305e-06 deg
node 56.94550639230852 1.9357e-05 deg
peri 179.1270284867942 2.4885e-05 deg
M 172.5316963609562 1.9941e-05 deg
tp 2458191.816743154152
(2018-Mar-14.31674315)
8.7397e-05 TDB
period 1687.376746446845
4.62
2.0313e-05
5.561e-08
d
yr
n .2133489161552462 2.5683e-09 deg/d
Q 3.241931703317998 2.6018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      7869 days (21.54 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:07  

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

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