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109114 (2001 QE41)
Classification: Main-belt Asteroid          SPK-ID: 2109114
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07512526563149112 4.7142e-08  
a 3.186227812557095 2.9147e-08 au
q 2.946861601776298 1.5933e-07 au
i 14.72930037235463 6.6271e-06 deg
node 319.1686245295077 2.4194e-05 deg
peri 114.9625406021132 6.3172e-05 deg
M 355.7751900796312 5.5826e-05 deg
tp 2459024.879137496027
(2020-Jun-24.37913750)
0.00032216 TDB
period 2077.369080264705
5.69
2.8506e-05
7.805e-08
d
yr
n .1732961193174819 2.378e-09 deg/d
Q 3.425594023337892 3.1337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2001-08-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:19:44  

Additional Information
 Earth MOID = 1.99828 au 
 Jupiter MOID = 1.77357 au 
 T_jup = 3.142 
[ 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 MPO366459  
diameter diameter 7.758 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109114 (2001 QE41)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QE41 = 2002 TW177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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