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226319 (2003 DQ20)
Classification: Main-belt Asteroid          SPK-ID: 2226319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1489366952129099 5.2807e-08  
a 2.451034335039193 2.0778e-08 au
q 2.085985381325083 1.3395e-07 au
i 2.029336419160054 5.7347e-06 deg
node 339.1755266159609 0.00022115 deg
peri 141.7672551345935 0.00022315 deg
M 206.5505579394869 3.5259e-05 deg
tp 2459597.927668890757
(2022-Jan-18.42766889)
0.00014222 TDB
period 1401.594935196035
3.84
1.7822e-05
4.879e-08
d
yr
n .256850243219271 3.2661e-09 deg/d
Q 2.816083288753302 2.3873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7462 days (20.43 yr)  
   first obs. used      1999-03-16  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:21  

Additional Information
 Earth MOID = 1.1023 au 
 Jupiter MOID = 2.25478 au 
 T_jup = 3.479 
[ 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 17.0   n/a MPO433483  

226319 (2003 DQ20)          Discovered 2003-Feb-22 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2003 DQ20 = 2005 ST18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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