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JPL Small-Body Database Browser
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183957 (2004 DK54)
Classification: Main-belt Asteroid          SPK-ID: 2183957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771964648567843 4.3958e-08  
a 2.352848227235882 1.2234e-08 au
q 1.935931839025132 1.0483e-07 au
i 2.936306300647724 4.1472e-06 deg
node 128.9226318853054 9.4691e-05 deg
peri 138.1748306164251 9.674e-05 deg
M 86.21690128413312 1.5212e-05 deg
tp 2458684.796638459813
(2019-Jul-20.29663846)
5.6685e-05 TDB
period 1318.224251413491
3.61
1.0282e-05
2.815e-08
d
yr
n .2730946571601782 2.13e-09 deg/d
Q 2.769764615446633 1.4402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:44:01  

Additional Information
 Earth MOID = .921156 au 
 Jupiter MOID = 2.31832 au 
 T_jup = 3.533 
[ 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 16.9   n/a MPO433204  

183957 (2004 DK54)          Discovered 2004-Feb-22 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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