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JPL Small-Body Database Browser
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305809 (2009 DQ100)
Classification: Main-belt Asteroid          SPK-ID: 2305809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142151889723941 4.6397e-08  
a 2.727776519445032 2.7994e-08 au
q 2.416223008802158 1.2898e-07 au
i 5.614270496898891 6.2958e-06 deg
node 46.24556187991816 6.5534e-05 deg
peri 229.4499104511741 7.4596e-05 deg
M 2.167672036272343 3.3223e-05 deg
tp 2458590.591619379674
(2019-Apr-17.09161938)
0.00015189 TDB
period 1645.551985553698
4.51
2.5331e-05
6.935e-08
d
yr
n .2187715752285192 3.3677e-09 deg/d
Q 3.039330030087906 3.1191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6615 days (18.11 yr)  
   first obs. used      2001-07-14  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:01  

Additional Information
 Earth MOID = 1.40412 au 
 Jupiter MOID = 2.06434 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437357  

305809 (2009 DQ100)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DQ100 = 2005 JC165 = 2006 SA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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