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47442 (1999 XG193)
Classification: Main-belt Asteroid          SPK-ID: 2047442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13498144549233 3.5692e-08  
a 2.186777136561011 6.1254e-09 au
q 1.891602797698427 7.9365e-08 au
i 5.512775894956159 3.8299e-06 deg
node 42.69971187346296 2.9362e-05 deg
peri .4241230526735291 3.1442e-05 deg
M 151.1880037367621 1.1127e-05 deg
tp 2458504.456177322837
(2019-Jan-20.95617732)
3.5893e-05 TDB
period 1181.150433566821
3.23
4.9628e-06
1.359e-08
d
yr
n .3047875950168999 1.2806e-09 deg/d
Q 2.481951475423594 6.9522e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1588  
   data-arc span      11226 days (30.74 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:13  

Additional Information
 Earth MOID = .900302 au 
 Jupiter MOID = 2.89225 au 
 T_jup = 3.658 
[ 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 15.6   n/a MPO459178  
diameter diameter 1.827 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47442 (1999 XG193)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XG193 = 1989 SE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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