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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456967.5 (2014-Nov-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04882195095934426 3.5052e-08  
q 3.011855160753887 1.1284e-07 au
tp 2456748.346063563656
(2014-Mar-31.84606356)
0.00029092 TDB
node 33.3721829786282 2.2018e-05 deg
peri 81.93259283433834 5.6961e-05 deg
i 10.67418987225108 4.3449e-06 deg
  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
 Jupiter MOID = 1.76889 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.228630439329403E-15 -3.9063477778057E-15 2.17855635197411E-12 1.617577740114343E-15 3.915417168753611E-13 -1.865914005369095E-15
q -3.9063477778057E-15 1.273354402415581E-14 -7.82804890423715E-12 -3.491053189560196E-15 -1.404728013714257E-12 6.053062996343674E-15
tp 2.17855635197411E-12 -7.82804890423715E-12 8.463501134433343E-8 -5.014173613944249E-11 1.530682081195716E-8 -4.782096625939883E-12
node 1.617577740114343E-15 -3.491053189560196E-15 -5.014173613944249E-11 4.848133358651976E-10 -4.850411284436927E-10 -1.827138243778123E-11
peri 3.915417168753611E-13 -1.404728013714257E-12 1.530682081195716E-8 -4.850411284436927E-10 3.244604548014129E-9 1.716095911545501E-11
i -1.865914005369095E-15 6.053062996343674E-15 -4.782096625939883E-12 -1.827138243778123E-11 1.716095911545501E-11 1.887779091049489E-11

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

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