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186770 (2004 DE18)
Classification: Main-belt Asteroid          SPK-ID: 2186770
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377679159643458 3.9887e-08  
a 2.376661719370797 1.4296e-08 au
q 2.049233987340843 9.4032e-08 au
i 2.442331170671828 4.7078e-06 deg
node 108.6839554386078 0.00013097 deg
peri 357.4335324143562 0.00013334 deg
M 253.8064044503443 2.788e-05 deg
tp 2459595.271060514728
(2022-Jan-15.77106051)
0.0001058 TDB
period 1338.287690982725
3.66
1.2075e-05
3.306e-08
d
yr
n .2690004566474392 2.4271e-09 deg/d
Q 2.704089451400751 1.6265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6600 days (18.07 yr)  
   first obs. used      2002-09-13  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:38  

Additional Information
 Earth MOID = 1.06592 au 
 Jupiter MOID = 2.40949 au 
 T_jup = 3.527 
[ 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 16.88   n/a E2021B55  

186770 (2004 DE18)          Discovered 2004-Feb-18 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 DE18 = 2002 RQ197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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