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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05543079643886393 3.5581e-08  
a 3.166686866488312 2.0171e-08 au
q 2.991154891406374 1.1537e-07 au
i 12.63214587525734 4.0459e-06 deg
node 112.0880069259353 2.1135e-05 deg
peri 1.093718556463696 4.8989e-05 deg
M 275.8185930059312 4.4125e-05 deg
tp 2459481.804350880804
(2021-Sep-24.30435088)
0.00025351 TDB
period 2058.287839371672
5.64
1.9666e-05
5.384e-08
d
yr
n .1749026511811371 1.6711e-09 deg/d
Q 3.342218841570249 2.1289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1791  
   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      .50174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:15:06  

Additional Information
 Earth MOID = 2.00771 au 
 Jupiter MOID = 1.76122 au 
 T_jup = 3.163 
[ show covariance matrix ]

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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