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109417 (2001 QT191)
Classification: Main-belt Asteroid          SPK-ID: 2109417
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08860011604828499 5.5067e-08  
a 3.105004110117866 2.497e-08 au
q 2.829900385631021 1.6684e-07 au
i 15.03210745358573 4.6879e-06 deg
node 260.577007957904 2.1682e-05 deg
peri 87.46945830906365 3.386e-05 deg
M 156.1457799267878 2.7131e-05 deg
tp 2458133.698914619977
(2018-Jan-15.19891462)
0.00014875 TDB
period 1998.442678906332
5.47
2.4106e-05
6.6e-08
d
yr
n .1801402681196809 2.173e-09 deg/d
Q 3.380107834604711 2.7182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      6845 days (18.74 yr)  
   first obs. used      2001-07-22  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:04:45  

Additional Information
 Earth MOID = 1.87476 au 
 Jupiter MOID = 2.00235 au 
 T_jup = 3.162 
[ 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 MPO502755  
diameter diameter 6.601 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109417 (2001 QT191)          Discovered 2001-Aug-22 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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