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103006 (1999 XW99)
Classification: Main-belt Asteroid          SPK-ID: 2103006
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618871628641447 4.8092e-08  
a 2.728831237407417 1.8786e-08 au
q 2.287068490448477 1.3209e-07 au
i 10.18231810664234 5.391e-06 deg
node 74.82959913338175 3.0512e-05 deg
peri 350.0710111567654 3.4924e-05 deg
M 211.3734827797504 1.9694e-05 deg
tp 2459680.262564926936
(2022-Apr-10.76256493)		 9.3868e-05 TDB
period 1646.506477784542
4.51		 1.7002e-05
4.655e-08		 d
yr
n .2186447516953582 2.2578e-09 deg/d
Q 3.170593984366357 2.1827e-08 au
   Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:15  

Additional Information
 Earth MOID = 1.30158 au 
 Jupiter MOID = 2.14328 au 
 T_jup = 3.314 
[ 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 14.68   n/a E2021B55  
diameter diameter 4.120 km 1.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103006 (1999 XW99)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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