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JPL Small-Body Database Browser
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351478 (2005 QG18)
Classification: Main-belt Asteroid          SPK-ID: 2351478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674909844834327 8.2365e-08  
a 3.095862741946496 3.8642e-08 au
q 2.577333643472298 2.5634e-07 au
i 3.470865399613074 1.0009e-05 deg
node 162.0717307333662 0.00011636 deg
peri 171.0329609355742 0.00011886 deg
M 196.0691559096274 2.3879e-05 deg
tp 2459506.501981591808
(2021-Oct-19.00198159)
0.00013817 TDB
period 1989.623826942801
5.45
3.7251e-05
1.02e-07
d
yr
n .1809387257656467 3.3876e-09 deg/d
Q 3.614391840420694 4.5114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4935 days (13.51 yr)  
   first obs. used      2005-08-25  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:28:51  

Additional Information
 Earth MOID = 1.56628 au 
 Jupiter MOID = 1.75974 au 
 T_jup = 3.199 
[ 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 16.4   n/a MPO339133  

351478 (2005 QG18)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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