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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041348544249635 5.1311e-08  
a 2.812104134378944 1.8946e-08 au
q 2.519266079717554 1.4969e-07 au
i 3.300860705346566 5.5107e-06 deg
node 159.3601375305929 7.5876e-05 deg
peri 195.2159539960457 7.8722e-05 deg
M 276.6612123609964 2.3066e-05 deg
tp 2459795.240365645105
(2022-Aug-03.74036564)
0.00011192 TDB
period 1722.445642646428
4.72
1.7407e-05
4.766e-08
d
yr
n .2090051442476193 2.1122e-09 deg/d
Q 3.104942189040333 2.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1996-02-16  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:35:28  

Additional Information
 Earth MOID = 1.51355 au 
 Jupiter MOID = 2.31143 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013968848686539 5.1087e-08  
q 2.530916894919678 1.4864e-07 au
tp 2456347.089350409389
(2013-Feb-23.58935041)
0.00010656 TDB
node 159.3624826209161 7.5916e-05 deg
peri 195.2088447369367 7.8932e-05 deg
i 3.297407670185585 5.5068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      9267 days (25.37 yr)  
   first obs. used      1996-02-16  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:35:28  

Additional Information
 Jupiter MOID = 2.31143 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.609884141230564E-15 -7.545561927754868E-15 1.039662697447102E-13 -4.952717648589336E-15 -2.742238705656616E-14 -4.388493129324378E-16
q -7.545561927754868E-15 2.209327392391682E-14 -1.491039311969988E-13 1.093495387208737E-14 1.293799513977439E-13 1.353869463854849E-15
tp 1.039662697447102E-13 -1.491039311969988E-13 1.135406744343169E-8 2.486278364358298E-12 2.317900838247539E-9 -3.230827606502886E-12
node -4.952717648589336E-15 1.093495387208737E-14 2.486278364358298E-12 5.763165248996294E-9 -5.752783195077173E-9 5.836196266536491E-11
peri -2.742238705656616E-14 1.293799513977439E-13 2.317900838247539E-9 -5.752783195077173E-9 6.230311483726073E-9 -5.890128601404075E-11
i -4.388493129324378E-16 1.353869463854849E-15 -3.230827606502886E-12 5.836196266536491E-11 -5.890128601404075E-11 3.032524486517482E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.41   n/a E2021B10  

78838 (2003 QY43)          Discovered 2003-Aug-22 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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