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266704 (2009 QW19)
Classification: Main-belt Asteroid          SPK-ID: 2266704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156487931849596 6.0601e-08  
a 2.22404420081962 1.3348e-08 au
q 1.87600812349127 1.3724e-07 au
i 8.121137283562495 6.2092e-06 deg
node 339.3297192747374 2.9688e-05 deg
peri 18.95777257154724 3.5534e-05 deg
M 71.05545618729006 1.4984e-05 deg
tp 2458761.384086806160
(2019-Oct-04.88408681)
5.1187e-05 TDB
period 1211.472466278813
3.32
1.0907e-05
2.986e-08
d
yr
n .2971590440728581 2.6752e-09 deg/d
Q 2.57208027814797 1.5437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:19  

Additional Information
 Earth MOID = .873372 au 
 Jupiter MOID = 2.86825 au 
 T_jup = 3.618 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457739.5 (2016-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574208532580632 6.0722e-08  
q 1.873628434641766 1.3764e-07 au
tp 2457549.697661331484
(2016-Jun-10.19766133)
5.55e-05 TDB
node 339.4056397111099 2.9667e-05 deg
peri 18.79329438278842 3.5415e-05 deg
i 8.125001669944757 6.2128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:19  

Additional Information
 Jupiter MOID = 2.86825 au 
 T_jup = 3.618 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.687183471210309E-15 -8.330776829384335E-15 1.914769896875919E-13 2.726071087617759E-14 4.820011206065575E-14 -2.030116353757617E-15
q -8.330776829384335E-15 1.894478205396932E-14 -7.603093767849311E-13 -6.069834360299982E-14 -2.1210030905638E-13 5.574194543902735E-15
tp 1.914769896875919E-13 -7.603093767849311E-13 3.080284341262989E-9 -1.33249893715482E-11 1.082763684033763E-9 -4.244559930155481E-12
node 2.726071087617759E-14 -6.069834360299982E-14 -1.33249893715482E-11 8.801356410707484E-10 -8.746933766937655E-10 5.079026015415479E-11
peri 4.820011206065575E-14 -2.1210030905638E-13 1.082763684033763E-9 -8.746933766937655E-10 1.254253244892337E-9 -5.184764201759117E-11
i -2.030116353757617E-15 5.574194543902735E-15 -4.244559930155481E-12 5.079026015415479E-11 -5.184764201759117E-11 3.859935064744271E-11

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 16.7   n/a MPO450146  

266704 (2009 QW19)          Discovered 2009-Aug-19 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 QW19 = 1999 TV324 = 2003 YZ170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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