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109028 (2001 QX9)
Classification: Main-belt Asteroid          SPK-ID: 2109028
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268719555892442 5.5093e-08  
a 3.033183171171505 1.8118e-08 au
q 2.34503897346744 1.7114e-07 au
i 2.569997606154443 4.0747e-06 deg
node 257.5987656038287 0.00013897 deg
peri 79.76177314329763 0.00013923 deg
M 191.6921312046131 9.0256e-06 deg
tp 2459902.586749185643
(2022-Nov-19.08674919)
5.0816e-05 TDB
period 1929.507111171574
5.28
1.7288e-05
4.733e-08
d
yr
n .1865761457502026 1.6717e-09 deg/d
Q 3.721327368875569 2.2229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      10403 days (28.48 yr)  
   first obs. used      1991-11-27  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:14:24  

Additional Information
 Earth MOID = 1.33752 au 
 Jupiter MOID = 1.69378 au 
 T_jup = 3.201 
[ 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 14.7   n/a MPO385472  

109028 (2001 QX9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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