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52675 (1998 DJ9)
Classification: Main-belt Asteroid          SPK-ID: 2052675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04725223558930928 3.0465e-08  
a 3.163955692251113 1.6697e-08 au
q 3.014451712486727 9.31e-08 au
i 10.67838841964674 4.2771e-06 deg
node 33.32649875941748 1.794e-05 deg
peri 79.6432968716166 5.2552e-05 deg
M 105.8157322676318 4.8365e-05 deg
tp 2458792.284645674834
(2019-Nov-04.78464567)
0.00027583 TDB
period 2055.62559456574
5.63
1.6272e-05
4.455e-08
d
yr
n .1751291679533946 1.3863e-09 deg/d
Q 3.313459672015499 1.7486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      8522 days (23.33 yr)  
   first obs. used      1998-02-22  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:09:09  

Additional Information
 Earth MOID = 2.05541 au 
 Jupiter MOID = 1.77003 au 
 T_jup = 3.175 
[ 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 13.62   n/a MPCxxxxx  
diameter diameter 11.291 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52675 (1998 DJ9)          Discovered 1998-Feb-22 by NEAT at Haleakala
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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