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109408 (2001 QL184)
Classification: Main-belt Asteroid          SPK-ID: 2109408
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069479501057305 3.0459e-08  
a 2.628054426898828 1.3309e-08 au
q 2.346989393175708 7.9859e-08 au
i 10.54262004000585 4.5907e-06 deg
node 284.857302615111 2.3653e-05 deg
peri 123.3652514624274 3.9312e-05 deg
M 87.44706294834933 2.9723e-05 deg
tp 2458622.499228286289
(2019-May-18.99922829)
0.00012811 TDB
period 1556.144634580946
4.26
1.1821e-05
3.236e-08
d
yr
n .2313409640723687 1.7573e-09 deg/d
Q 2.909119460621947 1.4732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      2001-08-03  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:25:06  

Additional Information
 Earth MOID = 1.3769 au 
 Jupiter MOID = 2.42131 au 
 T_jup = 3.369 
[ 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 15.5   n/a MPO453554  

109408 (2001 QL184)          Discovered 2001-Aug-21 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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