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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08825985465671331 5.6731e-08  
a 3.105648006954044 2.6848e-08 au
q 2.831543965245368 1.7466e-07 au
i 15.03278324944843 5.1164e-06 deg
node 260.5795132424059 2.4261e-05 deg
peri 87.50189743766869 3.8184e-05 deg
M 84.09548489385405 2.9176e-05 deg
tp 2458133.521428567632
(2018-Jan-15.02142857)
0.00016203 TDB
period 1999.064348434939
5.47
2.5922e-05
7.097e-08
d
yr
n .1800842480542674 2.3352e-09 deg/d
Q 3.379752048662719 2.9217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-07-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:15:39  

Additional Information
 Earth MOID = 1.87554 au 
 Jupiter MOID = 2.00052 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 14.1   n/a MPO325223  
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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