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JPL Small-Body Database Browser
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47372 (1999 XW90)
Classification: Main-belt Asteroid          SPK-ID: 2047372
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06236219114070195 6.233e-08  
a 2.466047919653344 1.0344e-08 au
q 2.312259767925792 1.5093e-07 au
i 2.841645490960702 3.4464e-06 deg
node 99.13113006766736 0.00010435 deg
peri 302.1807645208856 0.00011468 deg
M 154.0835445130744 4.4208e-05 deg
tp 2458395.083220383576
(2018-Oct-03.58322038)
0.00017436 TDB
period 1414.492646509822
3.87
8.8997e-06
2.437e-08
d
yr
n .2545082159941085 1.6013e-09 deg/d
Q 2.619836071380897 1.0989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      10278 days (28.14 yr)  
   first obs. used      1991-12-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:46:14  

Additional Information
 Earth MOID = 1.32185 au 
 Jupiter MOID = 2.60612 au 
 T_jup = 3.482 
[ 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 15.4   n/a MPO226441  
diameter diameter 2.138 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47372 (1999 XW90)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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