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134493 (1998 XR63)
Classification: Main-belt Asteroid          SPK-ID: 2134493
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848445179581772 4.2059e-08  
a 2.674379462987527 1.2144e-08 au
q 2.180035080314348 1.0991e-07 au
i 12.00061523032501 4.6317e-06 deg
node 19.42156924198885 2.0722e-05 deg
peri 23.0699630497457 2.5712e-05 deg
M 32.55977533229581 1.3515e-05 deg
tp 2459056.018624197881
(2020-Jul-25.51862420)
5.9756e-05 TDB
period 1597.470951747363
4.37
1.0881e-05
2.979e-08
d
yr
n .2253562104564223 1.535e-09 deg/d
Q 3.168723845660705 1.4389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:37  

Additional Information
 Earth MOID = 1.1916 au 
 Jupiter MOID = 2.29701 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857442106719059 4.2718e-08  
q 2.17742131480419 1.1202e-07 au
tp 2457452.863620690870
(2016-Mar-05.36362069)
5.7164e-05 TDB
node 19.55852073501957 2.0639e-05 deg
peri 21.9050394677251 2.558e-05 deg
i 12.03116554947447 4.6398e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:37  

Additional Information
 Jupiter MOID = 2.29701 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.824790189992863E-15 -4.768188720977594E-15 -4.543802033166912E-13 1.073316635670229E-14 -1.962771443103025E-13 -3.962352606281653E-15
q -4.768188720977594E-15 1.25492048461604E-14 1.271533905210594E-12 -2.825303497569338E-14 5.304687876472814E-13 1.029890918605011E-14
tp -4.543802033166912E-13 1.271533905210594E-12 3.26771618996784E-9 -1.335890510717203E-12 8.746929569233699E-10 -7.492461000531698E-12
node 1.073316635670229E-14 -2.825303497569338E-14 -1.335890510717203E-12 4.259785636016372E-10 -4.168864724224537E-10 -1.879845189956274E-12
peri -1.962771443103025E-13 5.304687876472814E-13 8.746929569233699E-10 -4.168864724224537E-10 6.543354022002555E-10 2.692563532175679E-14
i -3.962352606281653E-15 1.029890918605011E-14 -7.492461000531698E-12 -1.879845189956274E-12 2.692563532175679E-14 2.152802950911448E-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 15.24   n/a E2021B55  
diameter diameter 6.712 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134493 (1998 XR63)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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