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JPL Small-Body Database Browser
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47444 (1999 XA205)
Classification: Main-belt Asteroid          SPK-ID: 2047444
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401646132711599 4.7778e-08  
a 2.710998233325932 1.4742e-08 au
q 2.331012214373005 1.3097e-07 au
i 9.39291274475505 5.791e-06 deg
node 21.80596798167655 2.6569e-05 deg
peri 127.6132202849071 3.221e-05 deg
M 174.1510141590688 1.7434e-05 deg
tp 2458211.792835627216
(2018-Apr-03.29283563)
7.8163e-05 TDB
period 1630.392912411395
4.46
1.3299e-05
3.641e-08
d
yr
n .2208056703752166 1.8011e-09 deg/d
Q 3.090984252278859 1.6809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      15098 days (41.34 yr)  
   first obs. used      1978-03-06  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:19:49  

Additional Information
 Earth MOID = 1.35457 au 
 Jupiter MOID = 1.92909 au 
 T_jup = 3.330 
[ 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 14.3   n/a MPO474350  
diameter diameter 4.424 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47444 (1999 XA205)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA205 = 1978 EZ4 = 1998 SB97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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