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79981 (1999 DC5)
Classification: Main-belt Asteroid          SPK-ID: 2079981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933421037230847 3.7682e-08  
a 2.664098402638262 1.1377e-08 au
q 2.149016012946871 1.0233e-07 au
i 13.12985782923856 4.2785e-06 deg
node 222.0073568682483 1.3843e-05 deg
peri 334.4055427197194 1.6547e-05 deg
M 15.21994262223716 7.9547e-06 deg
tp 2459329.351806308014
(2021-Apr-24.85180631)
3.5128e-05 TDB
period 1588.268124861143
4.35
1.0174e-05
2.785e-08
d
yr
n .226661981289509 1.452e-09 deg/d
Q 3.179180792329653 1.3577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1432  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1999-01-23  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:54  

Additional Information
 Earth MOID = 1.15406 au 
 Jupiter MOID = 1.82132 au 
 T_jup = 3.321 
[ 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 14.72   n/a MPO637112  

79981 (1999 DC5)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 DC5 = 2001 TZ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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