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118164 (1981 DC3)
Classification: Main-belt Asteroid          SPK-ID: 2118164
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09193226253888447 6.3053e-08  
a 2.414716332718897 1.3787e-08 au
q 2.192725996862451 1.511e-07 au
i 5.291118461707283 5.4925e-06 deg
node 267.7035951139999 6.8162e-05 deg
peri 336.8857147970965 7.3032e-05 deg
M 160.094180249041 2.8637e-05 deg
tp 2458591.004294072523
(2019-Apr-17.50429407)
0.00010744 TDB
period 1370.558591152824
3.75
1.1738e-05
3.214e-08
d
yr
n .2626666253627228 2.2495e-09 deg/d
Q 2.636706668575343 1.5054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      14580 days (39.92 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56044  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:02  

Additional Information
 Earth MOID = 1.17875 au 
 Jupiter MOID = 2.38513 au 
 T_jup = 3.506 
[ 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 16.14   n/a E2021B55  

118164 (1981 DC3)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1981 DC3 = 2000 JU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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