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47424 (1999 XE169)
Classification: Main-belt Asteroid          SPK-ID: 2047424
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06192751517157632 6.2711e-08  
a 2.583555226366222 1.1474e-08 au
q 2.423562070888823 1.6617e-07 au
i 5.413198802165124 4.8706e-06 deg
node 43.37394097944695 4.1568e-05 deg
peri 152.5547448237291 5.5472e-05 deg
M 229.9674488169138 4.1003e-05 deg
tp 2459548.366358604747
(2021-Nov-29.86635860)		 0.00017473 TDB
period 1516.788583344843
4.15		 1.0105e-05
2.767e-08		 d
yr
n .2373435585901649 1.5811e-09 deg/d
Q 2.743548381843622 1.2185e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      11005 days (30.13 yr)  
   first obs. used      1990-09-26  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:47  

Additional Information
 Earth MOID = 1.42254 au 
 Jupiter MOID = 2.21285 au 
 T_jup = 3.414 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO395451  
diameter diameter 3.714 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47424 (1999 XE169)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XE169 = 1998 RT33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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