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JPL Small-Body Database Browser
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249416 (2009 DN69)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249416
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 .1173562053947343 6.5921e-08  
a 3.939766657851159 9.9621e-08 au
q 3.477410592745052 2.4033e-07 au
i 4.166301336649322 9.6249e-06 deg
node 326.8608361006497 9.6618e-05 deg
peri 230.0023957388652 0.00010568 deg
M 79.35069031911742 4.0501e-05 deg
tp 2457970.917879387415
(2017-Aug-05.41787939)
0.00031968 TDB
period 2856.302352368135
7.82
0.00010834
2.966e-07
d
yr
n .126037077167803 4.7805e-09 deg/d
Q 4.402122722957266 1.1131e-07 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5039 days (13.80 yr)  
   first obs. used      2005-10-11  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:44  

Additional Information
 Earth MOID = 2.47853 au 
 Jupiter MOID = .64999 au 
 T_jup = 3.044 
[ 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 15.1   n/a MPO401881  
diameter diameter 7.498 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.026   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

249416 (2009 DN69)          Discovered 2009-Feb-26 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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