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105391 (2000 QA139)
Classification: Main-belt Asteroid          SPK-ID: 2105391
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380997521651475 3.5365e-08  
a 2.387357283810555 1.1123e-08 au
q 2.057663834586658 8.548e-08 au
i 10.14425470877779 3.5772e-06 deg
node 177.6823468863992 2.1439e-05 deg
peri 78.21406996263832 2.4783e-05 deg
M 213.6051686029873 1.4089e-05 deg
tp 2459548.395581775409
(2021-Nov-29.89558178)
5.4758e-05 TDB
period 1347.331784578101
3.69
9.4158e-06
2.578e-08
d
yr
n .2671947653285188 1.8673e-09 deg/d
Q 2.717050733034453 1.2659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:22:06  

Additional Information
 Earth MOID = 1.07237 au 
 Jupiter MOID = 2.36597 au 
 T_jup = 3.500 
[ 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 15.4   n/a MPO449634  
diameter diameter 3.493 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105391 (2000 QA139)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 QA139 = 1999 GZ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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