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441503 (2008 SH117)
Classification: Main-belt Asteroid          SPK-ID: 2441503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2052246944894602 5.4333e-08  
a 2.341834243762133 1.4361e-08 au
q 1.861232026541093 1.2885e-07 au
i 1.118477257526808 5.8002e-06 deg
node 336.8591145864165 0.00028714 deg
peri 18.46942042481954 0.0002877 deg
M 107.5135520080397 1.6257e-05 deg
tp 2458609.575072157101
(2019-May-06.07507216)
5.7212e-05 TDB
period 1308.9789277255
3.58
1.204e-05
3.296e-08
d
yr
n .275023525875654 2.5297e-09 deg/d
Q 2.822436460983173 1.7308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      5150 days (14.10 yr)  
   first obs. used      2005-12-22  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:39  

Additional Information
 Earth MOID = .856633 au 
 Jupiter MOID = 2.62018 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457354.5 (2015-Nov-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065327658877516 5.4565e-08  
q 1.857631689513368 1.2953e-07 au
tp 2457299.838691996053
(2015-Oct-04.33869200)
5.1122e-05 TDB
node 337.0557378509026 0.00028614 deg
peri 18.05801678741798 0.00028669 deg
i 1.121330790604182 5.8089e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      5150 days (14.10 yr)  
   first obs. used      2005-12-22  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:39  

Additional Information
 Jupiter MOID = 2.62018 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.977324398720534E-15 -7.040897607212663E-15 -9.247648747060446E-14 5.614338003302075E-14 -1.288302654094726E-13 -8.312348642042563E-16
q -7.040897607212663E-15 1.677921865528804E-14 4.100282745332607E-13 -1.366654603997462E-13 3.701538576901625E-13 2.038981094002341E-15
tp -9.247648747060446E-14 4.100282745332607E-13 2.613465713165111E-9 -2.670932407331461E-11 9.314930830323365E-10 -5.677060422398407E-13
node 5.614338003302075E-14 -1.366654603997462E-13 -2.670932407331461E-11 8.187644798130941E-8 -8.186852877963521E-8 3.207046108604216E-10
peri -1.288302654094726E-13 3.701538576901625E-13 9.314930830323365E-10 -8.186852877963521E-8 8.219137748134208E-8 -3.208664434623013E-10
i -8.312348642042563E-16 2.038981094002341E-15 -5.677060422398407E-13 3.207046108604216E-10 -3.208664434623013E-10 3.374304248206234E-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 17.7   n/a MPO456091  

441503 (2008 SH117)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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