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52671 (1998 DL4)
Classification: Main-belt Asteroid          SPK-ID: 2052671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570645548619484 5.4523e-08  
a 2.867039947569094 2.0043e-08 au
q 2.41672959443273 1.5466e-07 au
i 13.01205655861416 6.5e-06 deg
node 313.7875502551279 2.2963e-05 deg
peri 174.0979829853756 3.0462e-05 deg
M 225.0984344298326 2.4456e-05 deg
tp 2459664.951876373388
(2022-Mar-26.45187637)
0.00012484 TDB
period 1773.164562497248
4.85
1.8594e-05
5.091e-08
d
yr
n .2030268411709016 2.129e-09 deg/d
Q 3.317350300705458 2.3191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      10519 days (28.80 yr)  
   first obs. used      1991-10-11  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:55:50  

Additional Information
 Earth MOID = 1.43203 au 
 Jupiter MOID = 1.74938 au 
 T_jup = 3.243 
[ 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 14.1   n/a MPO351206  

52671 (1998 DL4)          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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