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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04728111399253897 3.3751e-08  
a 3.164720273500068 1.8156e-08 au
q 3.015088773494212 1.0701e-07 au
i 10.6772045184032 4.2976e-06 deg
node 33.32731643789037 2.1415e-05 deg
peri 79.9337061223152 5.7542e-05 deg
M 71.20123788070518 5.1435e-05 deg
tp 2458793.788489151967
(2019-Nov-06.28848915)
0.00029408 TDB
period 2056.37076353372
5.63
1.7696e-05
4.845e-08
d
yr
n .1750657062354683 1.5065e-09 deg/d
Q 3.314351773505924 1.9014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      8430 days (23.08 yr)  
   first obs. used      1998-02-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:23  

Additional Information
 Earth MOID = 2.05566 au 
 Jupiter MOID = 1.76935 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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