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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264173564852654 5.5449e-08  
a 3.034241276903919 1.886e-08 au
q 2.347236388048858 1.7277e-07 au
i 2.570053531183881 4.3732e-06 deg
node 257.6021540317282 0.00014173 deg
peri 79.76377205041398 0.00014208 deg
M 117.0942256434906 9.5497e-06 deg
tp 2457972.576736681065
(2017-Aug-07.07673668)
5.1319e-05 TDB
period 1930.51684276101
5.29
1.7999e-05
4.928e-08
d
yr
n .1864785595370051 1.7386e-09 deg/d
Q 3.721246165758981 2.313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      9904 days (27.12 yr)  
   first obs. used      1991-11-27  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:07  

Additional Information
 Earth MOID = 1.3388 au 
 Jupiter MOID = 1.69045 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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