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134423 (1998 QT4)
Classification: Main-belt Asteroid          SPK-ID: 2134423
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625049256061916 8.181e-08  
a 2.528599038664218 1.2164e-08 au
q 2.117689239998202 2.0784e-07 au
i 11.48570255169905 7.6482e-06 deg
node 171.6318176896464 2.3079e-05 deg
peri 180.3512183047477 2.8331e-05 deg
M 134.8181727532425 1.8276e-05 deg
tp 2458450.497940779015
(2018-Nov-27.99794078)
7.2517e-05 TDB
period 1468.650236655819
4.02
1.0597e-05
2.901e-08
d
yr
n .2451230327104538 1.7687e-09 deg/d
Q 2.939508837330235 1.414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:10  

Additional Information
 Earth MOID = 1.11218 au 
 Jupiter MOID = 2.50046 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456211.5 (2012-Oct-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164020001221932 8.236e-08  
q 2.11261706424859 2.0952e-07 au
tp 2455511.378747254871
(2010-Nov-10.87874726)
6.27e-05 TDB
node 171.7028902078821 2.3045e-05 deg
peri 179.7155808077844 2.8142e-05 deg
i 11.49527058466098 7.6599e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:10  

Additional Information
 Jupiter MOID = 2.50046 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.783223511745686E-15 -1.72357058267768E-14 -2.337456643500495E-12 -3.01812331014767E-14 -3.646753499129188E-13 -9.775348288902581E-15
q -1.72357058267768E-14 4.389720798967424E-14 6.078782498076897E-12 7.54008419176313E-14 9.744032577505265E-13 2.558302037146527E-14
tp -2.337456643500495E-12 6.078782498076897E-12 3.931316295265035E-9 9.692753674095139E-12 1.006929945770001E-9 5.473132603957831E-12
node -3.01812331014767E-14 7.54008419176313E-14 9.692753674095139E-12 5.310822992470766E-10 -5.184082090693104E-10 -6.407711132396081E-11
peri -3.646753499129188E-13 9.744032577505265E-13 1.006929945770001E-9 -5.184082090693104E-10 7.919603852911239E-10 6.417945380020318E-11
i -9.775348288902581E-15 2.558302037146527E-14 5.473132603957831E-12 -6.407711132396081E-11 6.417945380020318E-11 5.867392506526306E-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 15.7   n/a MPO264219  
diameter diameter 1.679 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.361   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134423 (1998 QT4)          Discovered 1998-Aug-22 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 QT4 = 2002 OB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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