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215552 (2003 AJ18)
Classification: Main-belt Asteroid          SPK-ID: 2215552
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3008125063542287 4.2229e-08  
a 2.763203035978829 2.067e-08 au
q 1.931997005160423 1.1936e-07 au
i 10.63329562095156 5.1384e-06 deg
node 62.59403822975764 4.9435e-05 deg
peri 356.1929492148487 5.2847e-05 deg
M 317.6365884052618 2.1264e-05 deg
tp 2459197.926774169435
(2020-Dec-14.42677417)
0.00010047 TDB
period 1677.712819281631
4.59
1.8825e-05
5.154e-08
d
yr
n .2145778442309012 2.4077e-09 deg/d
Q 3.594409066797235 2.6888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:12:21  

Additional Information
 Earth MOID = .94469 au 
 Jupiter MOID = 1.77167 au 
 T_jup = 3.249 
[ 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 15.8   n/a MPO450016  

215552 (2003 AJ18)          Discovered 2003-Jan-05 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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