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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386902980846202 4.93e-08  
a 2.713518792584151 1.4581e-08 au
q 2.337180062382436 1.3524e-07 au
i 9.395235518857318 5.8976e-06 deg
node 21.93993504298373 2.6653e-05 deg
peri 127.5730884349194 3.2659e-05 deg
M 85.9046569334275 1.7733e-05 deg
tp 2458210.906336831817
(2018-Apr-02.40633683)
8.0154e-05 TDB
period 1632.66723536579
4.47
1.3159e-05
3.603e-08
d
yr
n .2204980857102482 1.7772e-09 deg/d
Q 3.089857522785866 1.6603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      15059 days (41.23 yr)  
   first obs. used      1978-03-06  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:42:10  

Additional Information
 Earth MOID = 1.36118 au 
 Jupiter MOID = 1.93125 au 
 T_jup = 3.329 
[ 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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