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344783 (2003 XL8)
Classification: Main-belt Asteroid          SPK-ID: 2344783
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613444276404969 6.1627e-08  
a 2.706380961822439 3.6603e-08 au
q 2.26972147456006 1.7664e-07 au
i 31.62542786570694 1.131e-05 deg
node 270.6267581873193 1.3767e-05 deg
peri 132.8907719544352 4.3107e-05 deg
M 269.9312327311532 4.2301e-05 deg
tp 2459407.368005023405
(2021-Jul-11.86800502)
0.00019671 TDB
period 1626.229449451874
4.45
3.2991e-05
9.032e-08
d
yr
n .2213709757385953 4.491e-09 deg/d
Q 3.143040449084818 4.2509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      6039 days (16.53 yr)  
   first obs. used      2003-12-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57069  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:04:11  

Additional Information
 Earth MOID = 1.34749 au 
 Jupiter MOID = 2.27885 au 
 T_jup = 3.135 
[ 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 15.5   n/a MPO397233  
diameter diameter 5.226 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344783 (2003 XL8)          Discovered 2003-Dec-04 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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