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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560220962220297 6.5282e-08  
a 2.738782197382262 2.9809e-08 au
q 2.311471657851105 1.9419e-07 au
i 4.729237873347905 8.7879e-06 deg
node 338.4332893737817 6.065e-05 deg
peri 109.4571247401815 6.7736e-05 deg
M 349.6075194226575 2.8035e-05 deg
tp 2459444.291580363484
(2021-Aug-17.79158036)
0.00012906 TDB
period 1655.520912722638
4.53
2.7028e-05
7.4e-08
d
yr
n .2174542147027009 3.5502e-09 deg/d
Q 3.16609273691342 3.446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6167 days (16.88 yr)  
   first obs. used      2004-02-17  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:20:44  

Additional Information
 Earth MOID = 1.33312 au 
 Jupiter MOID = 2.04604 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457977.5 (2017-Aug-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542713749404043 6.3778e-08  
q 2.317221542145741 1.8932e-07 au
tp 2457780.305029477288
(2017-Jan-26.80502948)
0.00012976 TDB
node 338.805464943764 6.0669e-05 deg
peri 107.7772434853395 6.8061e-05 deg
i 4.72655203300529 8.7877e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6167 days (16.88 yr)  
   first obs. used      2004-02-17  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:20:44  

Additional Information
 Jupiter MOID = 2.04604 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.067577270288018E-15 -1.199981545219517E-14 1.567458474663832E-12 -7.107872875756393E-15 6.085714299128706E-13 -5.767311312219779E-15
q -1.199981545219517E-14 3.58405408194875E-14 -4.262173949126074E-12 2.243855153225964E-14 -1.705025735072944E-12 1.933793166815995E-14
tp 1.567458474663832E-12 -4.262173949126074E-12 1.683862176483795E-8 -1.60289980955506E-11 3.985587958481885E-9 8.175962959312531E-12
node -7.107872875756393E-15 2.243855153225964E-14 -1.60289980955506E-11 3.680745611782359E-9 -3.672373810919311E-9 1.129626255394578E-10
peri 6.085714299128706E-13 -1.705025735072944E-12 3.985587958481885E-9 -3.672373810919311E-9 4.632290845925527E-9 -1.113613030758577E-10
i -5.767311312219779E-15 1.933793166815995E-14 8.175962959312531E-12 1.129626255394578E-10 -1.113613030758577E-10 7.722438233266855E-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 17.23   n/a MPCxxxxx  

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

[ hide close-approach data ]
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 11 CATAB v2.0f-lin.ifort 2021-Apr-14 09:20:45 2021-Apr-14 09:20

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