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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04737107109808721 3.4823e-08  
a 3.165467037032413 1.9021e-08 au
q 3.015515472962499 1.1159e-07 au
i 10.67608130690271 4.5261e-06 deg
node 33.33310863865617 2.2027e-05 deg
peri 80.19592005502093 5.9641e-05 deg
M 35.93198635933653 5.3535e-05 deg
tp 2458795.178775617615
(2019-Nov-07.67877562)
0.00030601 TDB
period 2057.098654064595
5.63
1.8541e-05
5.076e-08
d
yr
n .1750037604121127 1.5773e-09 deg/d
Q 3.315418601102327 1.9922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-02-22  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:45  

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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