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186556 (2002 XB54)
Classification: Main-belt Asteroid          SPK-ID: 2186556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350272779551246 5.3489e-08  
a 2.472408914543182 1.8469e-08 au
q 1.891325377366114 1.3855e-07 au
i 10.31645270330851 5.0589e-06 deg
node 77.87460436957507 3.5291e-05 deg
peri 327.843224512875 3.8363e-05 deg
M 312.0378022388264 2.1251e-05 deg
tp 2459585.680100913009
(2022-Jan-06.18010091)
8.5205e-05 TDB
period 1419.969048703928
3.89
1.5911e-05
4.356e-08
d
yr
n .2535266528017556 2.8408e-09 deg/d
Q 3.05349245172025 2.281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:44  

Additional Information
 Earth MOID = .909727 au 
 Jupiter MOID = 2.35352 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457361.5 (2015-Dec-05.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2363379209769886 5.3192e-08  
q 1.886628812282712 1.3762e-07 au
tp 2456749.855392091922
(2014-Apr-02.35539209)
6.9236e-05 TDB
node 77.91666423414173 3.5247e-05 deg
peri 328.1502131186994 3.8302e-05 deg
i 10.3267007324684 5.0639e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:44  

Additional Information
 Jupiter MOID = 2.35352 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.829434312230924E-15 -7.290099941844018E-15 -6.412457291253537E-13 6.755563479878566E-15 -2.571851141778267E-13 2.188755040220938E-15
q -7.290099941844018E-15 1.89405278733912E-14 1.892913612850173E-12 -1.645679248377089E-14 7.267287807155195E-13 -5.193862784163355E-15
tp -6.412457291253537E-13 1.892913612850173E-12 4.793591951499092E-9 3.483894206868619E-11 1.080793736418061E-9 -6.579679614804243E-12
node 6.755563479878566E-15 -1.645679248377089E-14 3.483894206868619E-11 1.242376711277734E-9 -1.214426985856694E-9 -3.524692537779336E-12
peri -2.571851141778267E-13 7.267287807155195E-13 1.080793736418061E-9 -1.214426985856694E-9 1.467071418790201E-9 1.954244472365186E-12
i 2.188755040220938E-15 -5.193862784163355E-15 -6.579679614804243E-12 -3.524692537779336E-12 1.954244472365186E-12 2.564272238893577E-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 16.02   n/a E2021B55  

186556 (2002 XB54)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 XB54 = 1998 YA24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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