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109189 (2001 QT72)
Classification: Main-belt Asteroid          SPK-ID: 2109189
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3297986414701127 4.1434e-08  
a 2.692813316796962 1.3705e-08 au
q 1.804727143184696 1.11e-07 au
i 12.39337669173476 7.7435e-06 deg
node 219.5851242761297 2.0475e-05 deg
peri 55.1412002948901 2.4139e-05 deg
M 121.0982310801867 1.3151e-05 deg
tp 2458457.570930891838
(2018-Dec-05.07093089)
5.6089e-05 TDB
period 1614.015854199521
4.42
1.2321e-05
3.373e-08
d
yr
n .2230461361722768 1.7027e-09 deg/d
Q 3.580899490409229 1.8224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1997-11-02  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:07  

Additional Information
 Earth MOID = .821359 au 
 Jupiter MOID = 1.66461 au 
 T_jup = 3.259 
[ 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 15.6   n/a MPO436525  
diameter diameter 1.959 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.265   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109189 (2001 QT72)          Discovered 2001-Aug-19 by NEAT at Haleakala
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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