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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628713434105843 7.9653e-08  
a 2.527804771066438 1.1749e-08 au
q 2.116097812123163 2.0295e-07 au
i 11.4883057338298 6.8649e-06 deg
node 171.6312663548208 1.9671e-05 deg
peri 180.3933799832175 2.4401e-05 deg
M 231.8544073733009 1.7858e-05 deg
tp 2459919.034408630900
(2022-Dec-05.53440863)
7.5366e-05 TDB
period 1467.958306261178
4.02
1.0235e-05
2.802e-08
d
yr
n .2452385728290223 1.7098e-09 deg/d
Q 2.939511730009714 1.3663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:13:33  

Additional Information
 Earth MOID = 1.10977 au 
 Jupiter MOID = 2.50155 au 
 T_jup = 3.406 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.64   n/a E2021B55  
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

Alternate Designations
 1998 QT4 = 2002 OB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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