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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 ]

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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 .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 
[ 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 15.7   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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