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109409 (2001 QM184)
Classification: Main-belt Asteroid          SPK-ID: 2109409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167475672501808 4.335e-08  
a 2.968859043862128 2.3101e-08 au
q 2.622251972982527 1.2816e-07 au
i 10.2229045966937 5.6798e-06 deg
node 222.969407512994 2.4583e-05 deg
peri 110.5601323956513 3.6134e-05 deg
M 241.6170731805099 3.0142e-05 deg
tp 2459614.925691479617
(2022-Feb-04.42569148)
0.00016064 TDB
period 1868.455653828672
5.12
2.1808e-05
5.971e-08
d
yr
n .1926724882457446 2.2488e-09 deg/d
Q 3.315466114741729 2.5798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8607 days (23.56 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:04:45  

Additional Information
 Earth MOID = 1.63504 au 
 Jupiter MOID = 2.102 au 
 T_jup = 3.229 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO338039  
diameter diameter 4.166 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109409 (2001 QM184)          Discovered 2001-Aug-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QM184 = 1996 TJ56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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