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JPL Small-Body Database Browser
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47055 (1998 XH5)
Classification: Main-belt Asteroid          SPK-ID: 2047055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0554307945505637 3.5547e-08  
a 3.166686867017385 2.0165e-08 au
q 2.991154897885777 1.1525e-07 au
i 12.63214586657123 4.0422e-06 deg
node 112.0880069165884 2.1135e-05 deg
peri 1.093718279727931 4.8988e-05 deg
M 275.8185930544971 4.4125e-05 deg
tp 2459481.804350723750
(2021-Sep-24.30435072)
0.00025351 TDB
period 2058.287839887505
5.64
1.966e-05
5.383e-08
d
yr
n .1749026511373044 1.6706e-09 deg/d
Q 3.342218836148994 2.1283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      7694 days (21.07 yr)  
   first obs. used      1998-12-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:40:06  

Additional Information
 Earth MOID = 2.00771 au 
 Jupiter MOID = 1.76122 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456651.5 (2013-Dec-25.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05147270460657889 3.5676e-08  
q 3.006120880486461 1.1506e-07 au
tp 2457421.905116563480
(2016-Feb-03.40511656)
0.00026932 TDB
node 112.3115053547023 2.114e-05 deg
peri .8952414858615564 5.2157e-05 deg
i 12.62582075913581 4.0416e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      7694 days (21.07 yr)  
   first obs. used      1998-12-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:40:06  

Additional Information
 Jupiter MOID = 1.76122 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.272752286606172E-15 -4.046403087695532E-15 1.114856109947496E-12 -1.448874014709673E-15 2.086062681059893E-13 -1.276903850073605E-17
q -4.046403087695532E-15 1.323772203339752E-14 -2.588371568356647E-12 6.260762099107183E-15 -5.216280301733986E-13 1.095170255827918E-15
tp 1.114856109947496E-12 -2.588371568356647E-12 7.253428740513208E-8 -6.01107669691891E-12 1.287072901166091E-8 -3.641778542363974E-12
node -1.448874014709673E-15 6.260762099107183E-15 -6.01107669691891E-12 4.469016482513691E-10 -4.368859897372307E-10 6.917557155086331E-12
peri 2.086062681059893E-13 -5.216280301733986E-13 1.287072901166091E-8 -4.368859897372307E-10 2.720323257357808E-9 -7.503310916709084E-12
i -1.276903850073605E-17 1.095170255827918E-15 -3.641778542363974E-12 6.917557155086331E-12 -7.503310916709084E-12 1.633439928125553E-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 12.6   n/a MPO351166  
diameter diameter 8.505 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47055 (1998 XH5)          Discovered 1998-Dec-10 by Chesney, D. K. at High Point
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XH5 = 2000 ET138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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