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249423 (2009 DJ136)
Classification: Main-belt Asteroid          SPK-ID: 2249423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663624242639234 6.2173e-08  
a 3.118091623481102 3.4823e-08 au
q 2.599358341921754 2.1489e-07 au
i 12.62429331747238 5.3457e-06 deg
node 154.7920617833834 3.7629e-05 deg
peri 156.4125721092117 4.5552e-05 deg
M 305.6097373427678 2.6792e-05 deg
tp 2459304.343808478027
(2021-Mar-30.84380848)
0.00015026 TDB
period 2011.091061306818
5.51
3.369e-05
9.224e-08
d
yr
n .1790073094781049 2.9988e-09 deg/d
Q 3.636824905040451 4.0617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:18  

Additional Information
 Earth MOID = 1.59108 au 
 Jupiter MOID = 1.73771 au 
 T_jup = 3.159 
[ 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 15.3   n/a MPO433634  
diameter diameter 5.153 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249423 (2009 DJ136)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 DJ136 = 2008 DJ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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