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351517 (2005 ST74)
Classification: Outer Main-belt Asteroid          SPK-ID: 2351517
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02755724222451678 4.5347e-08  
a 3.241984559561268 3.8498e-08 au
q 3.152644405765294 1.4394e-07 au
i 5.419188863286554 8.1675e-06 deg
node 1.122619956058823 5.3079e-05 deg
peri 104.7920647270208 0.00018619 deg
M 89.02621518803703 0.00017558 deg
tp 2458473.233414416582
(2018-Dec-20.73341442)
0.0010397 TDB
period 2132.135690696385
5.84
3.7978e-05
1.04e-07
d
yr
n .168844788617754 3.0075e-09 deg/d
Q 3.33132471335724 3.9559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:26  

Additional Information
 Earth MOID = 2.17527 au 
 Jupiter MOID = 1.69333 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457606.5 (2016-Aug-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02858952916888186 4.5661e-08  
q 3.151078014521857 1.452e-07 au
tp 2458480.161766617948
(2018-Dec-27.66176662)
0.00099995 TDB
node 1.147888570013481 5.307e-05 deg
peri 106.055458114348 0.00017963 deg
i 5.419161896414119 8.1668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:26  

Additional Information
 Jupiter MOID = 1.69333 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.084894482258302E-15 -6.415981367295399E-15 8.754635170349148E-12 -1.744821122579887E-15 1.472465168931139E-12 -1.404410068731105E-15
q -6.415981367295399E-15 2.108212987761645E-14 -2.785655140197302E-11 6.892805430303397E-15 -4.788173675174546E-12 7.337209481683722E-15
tp 8.754635170349148E-12 -2.785655140197302E-11 9.999036896274916E-7 -3.418580686285578E-11 1.716031797809629E-7 4.070005041603576E-11
node -1.744821122579887E-15 6.892805430303397E-15 -3.418580686285578E-11 2.81641371359776E-9 -2.809183253752835E-9 4.611372333966086E-11
peri 1.472465168931139E-12 -4.788173675174546E-12 1.716031797809629E-7 -2.809183253752835E-9 3.226677634175272E-8 -3.901735012385629E-11
i -1.404410068731105E-15 7.337209481683722E-15 4.070005041603576E-11 4.611372333966086E-11 -3.901735012385629E-11 6.669726551004708E-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 15.8   n/a MPO427798  

351517 (2005 ST74)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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