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JPL Small-Body Database Browser
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172123 (2002 GQ168)
Classification: Main-belt Asteroid          SPK-ID: 2172123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08189670116704845 6.0731e-08  
a 2.2248982393193 1.2363e-08 au
q 2.042686413086675 1.3575e-07 au
i 2.807780724734434 4.6889e-06 deg
node 258.5393934580756 0.0001475 deg
peri 47.19050828514325 0.00015166 deg
M 75.56559677641629 3.8509e-05 deg
tp 2458746.060067821645
(2019-Sep-19.56006782)
0.00012907 TDB
period 1212.170345921165
3.32
1.0104e-05
2.766e-08
d
yr
n .2969879614786528 2.4755e-09 deg/d
Q 2.407110065551925 1.3376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6930 days (18.97 yr)  
   first obs. used      2000-11-26  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:59:13  

Additional Information
 Earth MOID = 1.02876 au 
 Jupiter MOID = 2.74074 au 
 T_jup = 3.641 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO436855  

172123 (2002 GQ168)          Discovered 2002-Apr-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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