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47434 (1999 XD176)
Classification: Main-belt Asteroid          SPK-ID: 2047434
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228039043468992 5.5592e-08  
a 3.002228587144552 1.9409e-08 au
q 2.633543194901326 1.7488e-07 au
i 9.467853326922118 5.1094e-06 deg
node 72.23608489949851 2.5026e-05 deg
peri 101.7201727890895 3.2299e-05 deg
M 287.0556296242283 2.0277e-05 deg
tp 2459385.493449354878
(2021-Jun-19.99344936)
0.00010815 TDB
period 1900.045761636887
5.20
1.8425e-05
5.044e-08
d
yr
n .1894691208331006 1.8373e-09 deg/d
Q 3.370913979387777 2.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1199  
   data-arc span      8026 days (21.97 yr)  
   first obs. used      1998-11-10  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:16  

Additional Information
 Earth MOID = 1.65844 au 
 Jupiter MOID = 1.67895 au 
 T_jup = 3.220 
[ 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 13.9   n/a MPO502472  
diameter diameter 4.359 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47434 (1999 XD176)          Discovered 1999-Dec-10 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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