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JPL Small-Body Database Browser
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109344 (2001 QG149)
Classification: Main-belt Asteroid          SPK-ID: 2109344
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912561174507119 9.4252e-08  
a 2.434078044801755 1.9543e-08 au
q 1.968545728380952 2.1917e-07 au
i 4.109473771761346 6.1309e-06 deg
node 55.09290615497318 8.1766e-05 deg
peri 331.2858077985301 8.331e-05 deg
M 190.1063140153993 2.5186e-05 deg
tp 2459255.098360943914
(2021-Feb-09.59836094)		 0.00010363 TDB
period 1387.07573841896
3.80		 1.6705e-05
4.574e-08		 d
yr
n .2595388197117059 3.1258e-09 deg/d
Q 2.899610361222559 2.3281e-08 au
   Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1990-11-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:27  

Additional Information
 Earth MOID = .973537 au 
 Jupiter MOID = 2.54694 au 
 T_jup = 3.477 
[ 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 16.2   n/a MPO436525  
diameter diameter 3.406 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109344 (2001 QG149)          Discovered 2001-Aug-22 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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