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18625 (1998 DZ13)
Classification: Main-belt Asteroid          SPK-ID: 2018625
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852093362528188 3.0015e-08  
a 2.284477620609332 5.4888e-09 au
q 1.861371036811859 6.8926e-08 au
i 1.591838999015131 3.5067e-06 deg
node 103.1396958815611 0.00012127 deg
peri 183.7874520159903 0.00012163 deg
M 131.064022802265 9.834e-06 deg
tp 2458741.344509586772
(2019-Sep-14.84450959)
3.4172e-05 TDB
period 1261.184976735701
3.45
4.5453e-06
1.244e-08
d
yr
n .2854458359722778 1.0287e-09 deg/d
Q 2.707584204406805 6.5054e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1569  
   data-arc span      14523 days (39.76 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:33:40  

Additional Information
 Earth MOID = .843044 au 
 Jupiter MOID = 2.45064 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO435872  

18625 (1998 DZ13)          Discovered 1998-Feb-27 by ODAS at Caussols
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DZ13 = 1981 JL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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