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243435 (2009 DL55)
Classification: Main-belt Asteroid          SPK-ID: 2243435
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0771076911157343 5.3408e-08  
a 2.797588316174896 2.2958e-08 au
q 2.581872740422295 1.5273e-07 au
i 5.147167425938704 5.1438e-06 deg
node 131.9118501445117 4.9088e-05 deg
peri 203.2217187869162 5.9496e-05 deg
M 336.5830350501053 3.0642e-05 deg
tp 2459111.673746209655
(2020-Sep-19.17374621)
0.00014493 TDB
period 1709.126213457302
4.68
2.1039e-05
5.76e-08
d
yr
n .2106339468468949 2.5928e-09 deg/d
Q 3.013303891927497 2.4729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      7464 days (20.44 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:36  

Additional Information
 Earth MOID = 1.57252 au 
 Jupiter MOID = 2.27158 au 
 T_jup = 3.316 
[ 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 16.3   n/a MPO396766  
diameter diameter 3.814 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243435 (2009 DL55)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 DL55 = 2005 GS149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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