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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04737107184869598 3.4793e-08  
a 3.165467035563114 1.866e-08 au
q 3.015515469186775 1.1131e-07 au
i 10.67608221855184 4.346e-06 deg
node 33.33310903388161 2.2012e-05 deg
peri 80.19591616771392 5.8787e-05 deg
M 35.93199024061678 5.2404e-05 deg
tp 2458795.178753582302
(2019-Nov-07.67875358)
0.00029963 TDB
period 2057.098652632345
5.63
1.8189e-05
4.98e-08
d
yr
n .1750037605339587 1.5474e-09 deg/d
Q 3.315418601939453 1.9544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1501  
   data-arc span      8101 days (22.18 yr)  
   first obs. used      1998-02-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:25:26  

Additional Information
 Earth MOID = 2.05626 au 
 Jupiter MOID = 1.76889 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 13.6   n/a MPO502508  
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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