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109324 (2001 QA140)
Classification: Main-belt Asteroid          SPK-ID: 2109324
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779710801600322 5.7188e-08  
a 2.610481883334247 1.4593e-08 au
q 2.145891602819056 1.4645e-07 au
i 13.27684653178568 5.538e-06 deg
node 351.1689543702929 1.8124e-05 deg
peri 38.54447214423883 2.2512e-05 deg
M 159.2713604187038 1.7273e-05 deg
tp 2458318.923448153623
(2018-Jul-19.42344815)
7.026e-05 TDB
period 1540.562961348833
4.22
1.2918e-05
3.537e-08
d
yr
n .2336808095689927 1.9595e-09 deg/d
Q 3.075072163849438 1.719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1058  
   data-arc span      11551 days (31.62 yr)  
   first obs. used      1988-09-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:03:33  

Additional Information
 Earth MOID = 1.16463 au 
 Jupiter MOID = 2.45529 au 
 T_jup = 3.350 
[ 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 14.2   n/a MPO469117  

109324 (2001 QA140)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QA140 = 1988 RJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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