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357453 (2004 DK8)
Classification: Main-belt Asteroid          SPK-ID: 2357453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15575612532169 7.0133e-08  
a 2.738969272755721 3.9895e-08 au
q 2.312358031456123 2.0009e-07 au
i 4.728788790510269 9.7988e-06 deg
node 338.4329390007895 8.7012e-05 deg
peri 109.3758310158041 9.1847e-05 deg
M 263.5460662544825 2.8985e-05 deg
tp 2459444.105182019215
(2021-Aug-17.60518202)
0.00013622 TDB
period 1655.690538742172
4.53
3.6175e-05
9.904e-08
d
yr
n .2174319364496048 4.7506e-09 deg/d
Q 3.165580514055319 4.6109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5168 days (14.15 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:17:04  

Additional Information
 Earth MOID = 1.33397 au 
 Jupiter MOID = 2.04655 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457015.5 (2014-Dec-24.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548227871151228 6.872e-08  
q 2.316236510229965 1.9542e-07 au
tp 2457779.868731461982
(2017-Jan-26.36873146)
0.00013084 TDB
node 338.8137893303849 8.7088e-05 deg
peri 107.7103557513777 9.2131e-05 deg
i 4.726794871895168 9.7866e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5168 days (14.15 yr)  
   first obs. used      2004-02-17  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:17:04  

Additional Information
 Jupiter MOID = 2.04655 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.722467407354791E-15 -1.323596004264644E-14 2.022906751177674E-12 1.15162623882176E-14 5.779247829952132E-13 -8.046470967971506E-15
q -1.323596004264644E-14 3.81874704553363E-14 -5.099528936407918E-12 -2.673488435093591E-14 -1.627830216836025E-12 2.44573279798612E-14
tp 2.022906751177674E-12 -5.099528936407918E-12 1.711980747342646E-8 2.306604133849721E-11 3.930146734610357E-9 3.439310679572884E-12
node 1.15162623882176E-14 -2.673488435093591E-14 2.306604133849721E-11 7.584280277295472E-9 -7.553100682042037E-9 -1.358730035471405E-10
peri 5.779247829952132E-13 -1.627830216836025E-12 3.930146734610357E-9 -7.553100682042037E-9 8.48807920688314E-9 1.356749257229185E-10
i -8.046470967971506E-15 2.44573279798612E-14 3.439310679572884E-12 -1.358730035471405E-10 1.356749257229185E-10 9.577827137663889E-11

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 17.0   n/a MPO450330  

357453 (2004 DK8)          Discovered 2004-Feb-17 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Alternate Designations
 2004 DK8 = 2013 CW187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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