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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268719549667791 5.5194e-08  
a 3.033183171641416 1.833e-08 au
q 2.345038975718793 1.7158e-07 au
i 2.569998225466575 4.1695e-06 deg
node 257.5987571620228 0.00013952 deg
peri 79.76178128881713 0.0001398 deg
M 191.6921313316009 9.178e-06 deg
tp 2459902.586748714652
(2022-Nov-19.08674871)
5.1394e-05 TDB
period 1929.507111619964
5.28
1.749e-05
4.789e-08
d
yr
n .186576145706845 1.6912e-09 deg/d
Q 3.72132736756404 2.2488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1991-11-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:08  

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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