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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660507356092927 7.2191e-08  
a 3.117385635963261 4.3165e-08 au
q 2.599741457933719 2.3424e-07 au
i 12.62423904905569 8.7462e-06 deg
node 154.795868587381 3.8546e-05 deg
peri 156.4793027113294 5.2641e-05 deg
M 233.8842053547293 4.3267e-05 deg
tp 2459304.789480605796
(2021-Mar-31.28948061)
0.00024907 TDB
period 2010.408083549227
5.50
4.1756e-05
1.143e-07
d
yr
n .1790681220125452 3.7192e-09 deg/d
Q 3.635029813992803 5.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:20:41  

Additional Information
 Earth MOID = 1.59059 au 
 Jupiter MOID = 1.7365 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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