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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 
[ 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 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2005-Sep-20 21:10 00:03 Inter 0.0199722154366384 0.0199373673029067 0.0200070635976973 4.93384262387336 4.93384247531155 2453634.381625142 3.09441186877388 1737.11959039785 167.102729413295 1.20700495741061 1759.13541642123 T 7 CATAB v2.0e-lin.ifort 2019-Jul-13 18:17:12 2019-Jul-13 18:17

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