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78838 (2003 QY43)
Classification: Main-belt Asteroid          SPK-ID: 2078838
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038182439750476 5.5136e-08  
a 2.812449775011073 1.9744e-08 au
q 2.520466178101405 1.5848e-07 au
i 3.300636995527116 5.9067e-06 deg
node 159.3574797054474 7.5993e-05 deg
peri 195.2404015463296 7.8863e-05 deg
M 193.8498185522724 2.2888e-05 deg
tp 2459795.603946846995
(2022-Aug-04.10394685)
0.00011266 TDB
period 1722.763215609074
4.72
1.8141e-05
4.967e-08
d
yr
n .208966616385946 2.2005e-09 deg/d
Q 3.10443337192074 2.1793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:20  

Additional Information
 Earth MOID = 1.51559 au 
 Jupiter MOID = 2.31201 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456854.5 (2014-Jul-16.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006611482814007 5.4709e-08  
q 2.533015323320484 1.5653e-07 au
tp 2456344.945439088387
(2013-Feb-21.44543909)
0.00010775 TDB
node 159.4069335787586 7.621e-05 deg
peri 194.8318041642733 7.9284e-05 deg
i 3.292595553405886 5.8964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:20  

Additional Information
 Jupiter MOID = 2.31201 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.993037517248126E-15 -8.509172991926334E-15 1.1560769478238E-13 -5.156036675745064E-15 -4.169172018428657E-14 -4.252476181087052E-16
q -8.509172991926334E-15 2.450223970518017E-14 -1.517512705667173E-13 1.184029400392351E-14 1.724088206410966E-13 1.137677170054005E-15
tp 1.1560769478238E-13 -1.517512705667173E-13 1.16091753922185E-8 7.075831363027556E-12 2.36756532239568E-9 -3.695475517878681E-12
node -5.156036675745064E-15 1.184029400392351E-14 7.075831363027556E-12 5.807995967742084E-9 -5.79675041297304E-9 5.795645253894166E-11
peri -4.169172018428657E-14 1.724088206410966E-13 2.36756532239568E-9 -5.79675041297304E-9 6.286021173961987E-9 -5.861435882206809E-11
i -4.252476181087052E-16 1.137677170054005E-15 -3.695475517878681E-12 5.795645253894166E-11 -5.861435882206809E-11 3.476799678278428E-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 15.4   n/a MPO319989  

78838 (2003 QY43)          Discovered 2003-Aug-22 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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