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109609 (2001 QZ287)
Classification: Main-belt Asteroid          SPK-ID: 2109609
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448901635306153 3.4557e-08  
a 2.628414991282795 1.0201e-08 au
q 2.24758351336951 9.0171e-08 au
i 2.420450173635893 3.9584e-06 deg
node 279.6010452262814 0.00011136 deg
peri 132.279764761032 0.00011333 deg
M 96.00406078735865 2.005e-05 deg
tp 2458585.425137538315
(2019-Apr-11.92513754)
8.608e-05 TDB
period 1556.464895971177
4.26
9.061e-06
2.481e-08
d
yr
n .2312933628839558 1.3465e-09 deg/d
Q 3.009246469196079 1.1679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:06:38  

Additional Information
 Earth MOID = 1.25938 au 
 Jupiter MOID = 2.34254 au 
 T_jup = 3.385 
[ 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 15.7   n/a MPO320267  

109609 (2001 QZ287)          Discovered 2001-Aug-17 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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