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109323 (2001 QW139)
Classification: Main-belt Asteroid          SPK-ID: 2109323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158788504179741 1.9043e-07  
a 2.523083968015296 1.3676e-08 au
q 2.122447238814261 4.8181e-07 au
i 14.59769849980463 6.2213e-06 deg
node 345.6866064869815 2.0738e-05 deg
peri 53.2478994777298 3.1756e-05 deg
M 333.6454121806887 1.9056e-05 deg
tp 2459503.664196116748
(2021-Oct-16.16419612)
7.7675e-05 TDB
period 1463.847997416243
4.01
1.1902e-05
3.259e-08
d
yr
n .2459271732006438 1.9995e-09 deg/d
Q 2.92372069721633 1.5847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      13925 days (38.12 yr)  
   first obs. used      1983-05-12  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:49:17  

Additional Information
 Earth MOID = 1.15813 au 
 Jupiter MOID = 2.65137 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457237.5 (2015-Aug-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160486005698952 1.8931e-07  
q 2.117421007076166 4.7975e-07 au
tp 2456578.300993894022
(2013-Oct-12.80099389)
7.312e-05 TDB
node 345.7755592951485 2.0767e-05 deg
peri 53.55971634169664 3.1612e-05 deg
i 14.59055544672551 6.2174e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      13925 days (38.12 yr)  
   first obs. used      1983-05-12  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:49:17  

Additional Information
 Jupiter MOID = 2.65137 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.58374213472678E-14 -9.07959377767989E-14 -1.082332472491925E-11 -5.582512728958825E-13 -4.008497440610416E-12 -4.166432189129118E-13
q -9.07959377767989E-14 2.30163963794282E-13 2.727235917011713E-11 1.414919079891908E-12 1.01324159617033E-11 1.056338949003226E-12
tp -1.082332472491925E-11 2.727235917011713E-11 5.346500385468415E-9 1.739440259716256E-10 1.755116116114169E-9 1.237578676249366E-10
node -5.582512728958825E-13 1.414919079891908E-12 1.739440259716256E-10 4.312821008131656E-10 -3.449244793740433E-10 7.575947336091538E-11
peri -4.008497440610416E-12 1.01324159617033E-11 1.755116116114169E-9 -3.449244793740433E-10 9.993000489905103E-10 -2.10912473334515E-11
i -4.166432189129118E-13 1.056338949003226E-12 1.237578676249366E-10 7.575947336091538E-11 -2.10912473334515E-11 3.865554945704213E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.35   n/a E2021B55  
diameter diameter 5.112 km 0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109323 (2001 QW139)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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