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305479 (2008 DQ68)
Classification: Main-belt Asteroid          SPK-ID: 2305479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878674995283188 5.7746e-08  
a 3.089261281530562 3.8999e-08 au
q 2.508889489179765 1.6891e-07 au
i 17.07066764294756 8.9682e-06 deg
node 180.211703383705 2.269e-05 deg
peri 289.067392594214 3.4899e-05 deg
M 152.1355809829976 2.8822e-05 deg
tp 2458162.375211820843
(2018-Feb-12.87521182)
0.00015226 TDB
period 1983.263361502638
5.43
3.7556e-05
1.028e-07
d
yr
n .1815190090171598 3.4373e-09 deg/d
Q 3.669633073881359 4.6326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6876 days (18.83 yr)  
   first obs. used      2000-08-31  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:01  

Additional Information
 Earth MOID = 1.58408 au 
 Jupiter MOID = 1.67949 au 
 T_jup = 3.131 
[ 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 15.8   n/a MPO433969  

305479 (2008 DQ68)          Discovered 2008-Feb-29 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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