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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626808948094956 7.9991e-08  
a 2.528269771879504 1.1805e-08 au
q 2.116968583070347 2.0377e-07 au
i 11.48720463907175 7.0509e-06 deg
node 171.6293907579184 2.019e-05 deg
peri 180.3638897301433 2.4982e-05 deg
M 183.8265853739694 1.775e-05 deg
tp 2459919.073863161850
(2022-Dec-05.57386316)
7.581e-05 TDB
period 1468.363380975438
4.02
1.0284e-05
2.816e-08
d
yr
n .2451709193134815 1.7171e-09 deg/d
Q 2.93957096068866 1.3726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:19:46  

Additional Information
 Earth MOID = 1.10973 au 
 Jupiter MOID = 2.50116 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456680.5 (2014-Jan-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636231979334412 8.0452e-08  
q 2.114397979746478 2.0527e-07 au
tp 2456978.780535869531
(2014-Nov-17.28053587)
6.2106e-05 TDB
node 171.6921349260321 2.0168e-05 deg
peri 179.6522031306104 2.4849e-05 deg
i 11.49261579766156 7.0581e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:19:46  

Additional Information
 Jupiter MOID = 2.50116 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.472509795381168E-15 -1.649588816275513E-14 -2.016154549855545E-12 -2.926144494291821E-14 -2.310478513267668E-13 -8.093218878164786E-15
q -1.649588816275513E-14 4.213765692801182E-14 5.430685040333358E-12 7.375059224194853E-14 6.534471633334369E-13 2.12006945149232E-14
tp -2.016154549855545E-12 5.430685040333358E-12 3.857177756095181E-9 6.32507965903902E-12 8.878201398537938E-10 5.139968444896319E-12
node -2.926144494291821E-14 7.375059224194853E-14 6.32507965903902E-12 4.067500450009076E-10 -3.975978691586435E-10 -3.125232646962125E-11
peri -2.310478513267668E-13 6.534471633334369E-13 8.878201398537938E-10 -3.975978691586435E-10 6.17485373579784E-10 3.171319354848751E-11
i -8.093218878164786E-15 2.12006945149232E-14 5.139968444896319E-12 -3.125232646962125E-11 3.171319354848751E-11 4.981732554340951E-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 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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