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109190 (2001 QK73)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09613848833470111 1.0008e-07  
a 3.222843699030236 3.5428e-08 au
q 2.913004377666453 3.2028e-07 au
i 23.30300117778586 7.5368e-06 deg
node 91.65629093389592 1.4447e-05 deg
peri 320.1783581512431 3.741e-05 deg
M 44.64975520843613 2.9581e-05 deg
tp 2458738.395864196267
(2019-Sep-11.89586420)
0.00017499 TDB
period 2113.281213947525
5.79
3.4846e-05
9.54e-08
d
yr
n .1703512043849263 2.8089e-09 deg/d
Q 3.532683020394019 3.8834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:07  

Additional Information
 Earth MOID = 1.95629 au 
 Jupiter MOID = 1.79517 au 
 T_jup = 3.053 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457576.5 (2016-Jul-07.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09500087020242294 9.9699e-08  
q 2.915818055823358 3.1815e-07 au
tp 2456629.026707747088
(2013-Dec-02.52670775)
0.00019293 TDB
node 91.67349189462543 1.4454e-05 deg
peri 320.567798964832 3.8011e-05 deg
i 23.29738977251568 7.5353e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:07  

Additional Information
 Jupiter MOID = 1.79517 au 
 T_jup = 3.053 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.939950184421052E-15 -3.155813261539477E-14 -4.853054728644183E-12 -2.14366533185333E-14 -1.260670346520474E-12 2.065607288787545E-15
q -3.155813261539477E-14 1.012217743341932E-13 1.248646829103285E-11 6.008389713292134E-14 3.573799469383311E-12 1.871739309587539E-15
tp -4.853054728644183E-12 1.248646829103285E-11 3.722259114928421E-8 4.477822033254447E-11 6.755538205851388E-9 -4.710752727791565E-11
node -2.14366533185333E-14 6.008389713292134E-14 4.477822033254447E-11 2.089058164678972E-10 -1.834754266806391E-10 -4.401793131974286E-11
peri -1.260670346520474E-12 3.573799469383311E-12 6.755538205851388E-9 -1.834754266806391E-10 1.444861321598113E-9 3.280220966962246E-11
i 2.065607288787545E-15 1.871739309587539E-15 -4.710752727791565E-11 -4.401793131974286E-11 3.280220966962246E-11 5.67808619664586E-11

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 MPO502754  
diameter diameter 7.127 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109190 (2001 QK73)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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