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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01619295393419325 6.2039e-08  
a 3.208226922856323 4.3481e-08 au
q 3.156276252084072 1.9789e-07 au
i 21.71217378963967 6.7199e-06 deg
node 167.9300059260485 1.7598e-05 deg
peri 206.0527895254552 0.00019302 deg
M 131.3552067843473 0.00019249 deg
tp 2457834.655077995985
(2017-Mar-22.15507800)
0.0011221 TDB
period 2098.920771173413
5.75
4.267e-05
1.168e-07
d
yr
n .1715167170406056 3.4869e-09 deg/d
Q 3.260177593628574 4.4185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6266 days (17.16 yr)  
   first obs. used      2002-02-07  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:30:16  

Additional Information
 Earth MOID = 2.15408 au 
 Jupiter MOID = 1.81076 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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