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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041348588666343 5.0306e-08  
a 2.812104135435046 1.88e-08 au
q 2.519266068173239 1.4735e-07 au
i 3.300859903253084 5.3871e-06 deg
node 159.360133392718 7.5642e-05 deg
peri 195.2159582601898 7.8492e-05 deg
M 276.6612116500622 2.3016e-05 deg
tp 2459795.240369271244
(2022-Aug-03.74036927)
0.00011165 TDB
period 1722.44564361674
4.72
1.7273e-05
4.729e-08
d
yr
n .2090051441298796 2.0959e-09 deg/d
Q 3.104942202696853 2.0758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1996-02-16  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:48:46  

Additional Information
 Earth MOID = 1.51355 au 
 Jupiter MOID = 2.31143 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457128.5 (2015-Apr-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016350229654127 5.0124e-08  
q 2.529781425805458 1.4647e-07 au
tp 2456347.506418595250
(2013-Feb-24.00641860)
0.00010617 TDB
node 159.3616133363799 7.5659e-05 deg
peri 195.2375424348844 7.8666e-05 deg
i 3.298260492612466 5.3844e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1996-02-16  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:48:46  

Additional Information
 Jupiter MOID = 2.31143 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.51236551357905E-15 -7.295700652798275E-15 7.232326714433252E-14 -4.608546652546074E-15 -3.007140829863665E-14 -3.853540621559775E-16
q -7.295700652798275E-15 2.145360997036034E-14 -6.835099807287706E-14 1.101148566292586E-14 1.350022058468358E-13 1.268303026511477E-15
tp 7.232326714433252E-14 -6.835099807287706E-14 1.127130529948481E-8 3.155823878479739E-12 2.302207169355548E-9 -2.950048094563932E-12
node -4.608546652546074E-15 1.101148566292586E-14 3.155823878479739E-12 5.724349251797845E-9 -5.713810592508355E-9 5.157633126133176E-11
peri -3.007140829863665E-14 1.350022058468358E-13 2.302207169355548E-9 -5.713810592508355E-9 6.18830394228262E-9 -5.206858419797574E-11
i -3.853540621559775E-16 1.268303026511477E-15 -2.950048094563932E-12 5.157633126133176E-11 -5.206858419797574E-11 2.899171311932029E-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 15.42   n/a MPO637101  

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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