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186329 (2002 DO18)
Classification: Main-belt Asteroid          SPK-ID: 2186329
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777398865592629 8.4197e-08  
a 3.142152829858222 3.1568e-08 au
q 2.583666942327355 2.5445e-07 au
i 17.43274834458344 6.7852e-06 deg
node 117.0229216033319 2.4044e-05 deg
peri 69.48679419043577 3.0959e-05 deg
M 121.6582000184566 1.7822e-05 deg
tp 2458512.991186846041
(2019-Jan-29.49118685)
9.9863e-05 TDB
period 2034.414225246444
5.57
3.0658e-05
8.394e-08
d
yr
n .1769551134338881 2.6667e-09 deg/d
Q 3.70063871738909 3.7179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1997-05-30  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:50  

Additional Information
 Earth MOID = 1.6475 au 
 Jupiter MOID = 1.5845 au 
 T_jup = 3.115 
[ 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 15.41   n/a E2021B55  

186329 (2002 DO18)          Discovered 2002-Feb-21 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 DO18 = 1997 KF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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