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216678 (2004 DD46)
Classification: Main-belt Asteroid          SPK-ID: 2216678
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201333599100095 8.0037e-08  
a 2.655851632727346 2.6173e-08 au
q 2.336795252665326 2.1929e-07 au
i 12.58221494755784 9.7271e-06 deg
node 171.6986755695159 2.5607e-05 deg
peri 335.7683018074987 4.0719e-05 deg
M 322.0329584775644 3.0157e-05 deg
tp 2459367.227945292765
(2021-Jun-01.72794529)
0.00013288 TDB
period 1580.899061358968
4.33
2.337e-05
6.398e-08
d
yr
n .2277185234650831 3.3662e-09 deg/d
Q 2.974908012789367 2.9318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      6646 days (18.20 yr)  
   first obs. used      2002-10-10  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:50  

Additional Information
 Earth MOID = 1.35228 au 
 Jupiter MOID = 2.02953 au 
 T_jup = 3.344 
[ 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 16.75   n/a MPCxxxxx  

216678 (2004 DD46)          Discovered 2004-Feb-19 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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