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249211 (2008 DJ73)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249211
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01646367483108219 6.1369e-08  
a 3.207252855063617 3.6501e-08 au
q 3.154449686956789 1.9727e-07 au
i 21.71561404289717 6.3853e-06 deg
node 167.9309856937797 1.5998e-05 deg
peri 205.1666226582259 0.00017265 deg
M 200.8840485921536 0.00017468 deg
tp 2459927.776912252878
(2022-Dec-14.27691225)
0.0010229 TDB
period 2097.964946049869
5.74
3.5814e-05
9.805e-08
d
yr
n .1715948594269042 2.9293e-09 deg/d
Q 3.260056023170444 3.7102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:31  

Additional Information
 Earth MOID = 2.15291 au 
 Jupiter MOID = 1.81131 au 
 T_jup = 3.081 
[ 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 15.5   n/a MPO433633  
diameter diameter 5.098 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249211 (2008 DJ73)          Discovered 2008-Feb-27 by Spacewatch at Kitt Peak
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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