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JPL Small-Body Database Browser
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47054 (1998 XX1)
Classification: Main-belt Asteroid          SPK-ID: 2047054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286811434137182 4.6001e-08  
a 2.76837774808911 1.8507e-08 au
q 2.412139734063909 1.3076e-07 au
i 10.19703446488048 6.1729e-06 deg
node 67.13088441186429 3.1182e-05 deg
peri 211.5039435325764 3.9827e-05 deg
M 281.4617997761324 2.4588e-05 deg
tp 2458967.541267142968
(2020-Apr-28.04126714)
0.00011564 TDB
period 1682.427860516634
4.61
1.6871e-05
4.619e-08
d
yr
n .213976485083558 2.1457e-09 deg/d
Q 3.124615762114311 2.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      7459 days (20.42 yr)  
   first obs. used      1998-12-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:51  

Additional Information
 Earth MOID = 1.40186 au 
 Jupiter MOID = 1.9918 au 
 T_jup = 3.303 
[ 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 14.4   n/a MPO474345  
diameter diameter 3.495 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47054 (1998 XX1)          Discovered 1998-Dec-07 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XX1 = 2001 HC53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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