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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2055448342857299 5.4154e-08  
a 2.34131060286134 1.4348e-08 au
q 1.860066302984784 1.2847e-07 au
i 1.118470433422413 5.7512e-06 deg
node 336.8573889592186 0.00027075 deg
peri 18.49424059194143 0.00027118 deg
M 216.3957768259905 1.5554e-05 deg
tp 2459918.477383319902
(2022-Dec-04.97738332)
5.9829e-05 TDB
period 1308.539915065494
3.58
1.2028e-05
3.293e-08
d
yr
n .2751157957470342 2.5289e-09 deg/d
Q 2.822554902737897 1.7297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5593 days (15.31 yr)  
   first obs. used      2005-12-22  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:57:45  

Additional Information
 Earth MOID = .854642 au 
 Jupiter MOID = 2.62116 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457596.5 (2016-Jul-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064378492271245 5.4373e-08  
q 1.857561501343645 1.2911e-07 au
tp 2457299.760086488977
(2015-Oct-04.26008649)
4.5281e-05 TDB
node 337.0504818226941 0.00026979 deg
peri 18.03336334169961 0.00027021 deg
i 1.121309204087532 5.7592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5593 days (15.31 yr)  
   first obs. used      2005-12-22  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:57:45  

Additional Information
 Jupiter MOID = 2.62116 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.956379032571036E-15 -6.993016093007989E-15 1.747240714440187E-14 3.833697310287914E-14 -6.727544549262474E-14 -7.362589049894318E-16
q -6.993016093007989E-15 1.666923684206792E-14 1.69059119736794E-13 -9.443469862513307E-14 2.320616439472843E-13 1.807466201758773E-15
tp 1.747240714440187E-14 1.69059119736794E-13 2.05041399174328E-9 -2.070635474553691E-11 7.010583689780911E-10 -3.815707247420027E-13
node 3.833697310287914E-14 -9.443469862513307E-14 -2.070635474553691E-11 7.278751700571874E-8 -7.277912978428169E-8 3.928829730605421E-10
peri -6.727544549262474E-14 2.320616439472843E-13 7.010583689780911E-10 -7.277912978428169E-8 7.30120564443918E-8 -3.929550966952174E-10
i -7.362589049894318E-16 1.807466201758773E-15 -3.815707247420027E-13 3.928829730605421E-10 -3.929550966952174E-10 3.316825501136775E-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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