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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01646367601577534 6.1561e-08  
a 3.207252855402592 3.805e-08 au
q 3.154449683490574 1.9742e-07 au
i 21.71561339302909 6.5455e-06 deg
node 167.9309872497533 1.6347e-05 deg
peri 205.1666212061716 0.00017646 deg
M 200.8840485274586 0.00017793 deg
tp 2459927.776912776906
(2022-Dec-14.27691278)
0.0010409 TDB
period 2097.964946382471
5.74
3.7335e-05
1.022e-07
d
yr
n .1715948593997003 3.0536e-09 deg/d
Q 3.260056027314611 3.8676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2002-02-07  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:41:44  

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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