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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205014849248272 1.0799e-07  
a 2.341394336628334 2.3424e-08 au
q 1.861373729673718 2.6643e-07 au
i 1.11844039008306 7.6126e-06 deg
node 336.8696119046049 0.00030863 deg
peri 18.43498173875598 0.00030913 deg
M 357.5292391034357 1.6032e-05 deg
tp 2458609.481285266116
(2019-May-05.98128527)
5.8339e-05 TDB
period 1308.610112899897
3.58
1.9637e-05
5.376e-08
d
yr
n .2751010376973439 4.1282e-09 deg/d
Q 2.821414943582949 2.8226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5066 days (13.87 yr)  
   first obs. used      2005-12-22  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:17  

Additional Information
 Earth MOID = .855868 au 
 Jupiter MOID = 2.61751 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065751822263397 1.0831e-07  
q 1.857357838572367 2.6756e-07 au
tp 2457299.939572474662
(2015-Oct-04.43957247)
5.1304e-05 TDB
node 337.0569908690585 0.00030739 deg
peri 18.10478265241443 0.00030788 deg
i 1.12140078533616 7.6256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5066 days (13.87 yr)  
   first obs. used      2005-12-22  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:17  

Additional Information
 Jupiter MOID = 2.61751 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.173200016724343E-14 -2.894616836947048E-14 3.195651062634439E-13 2.598168311946237E-13 1.770666073430765E-13 -4.454086786940362E-15
q -2.894616836947048E-14 7.158857419469192E-14 -6.205117957450694E-13 -6.432039758785776E-13 -3.979012088005734E-13 1.124589159893499E-14
tp 3.195651062634439E-13 -6.205117957450694E-13 2.632059539884354E-9 5.497334811179648E-12 9.231609612078237E-10 2.994507450662906E-13
node 2.598168311946237E-13 -6.432039758785776E-13 5.497334811179648E-12 9.448830745607375E-8 -9.445825192314867E-8 8.714038530829233E-10
peri 1.770666073430765E-13 -3.979012088005734E-13 9.231609612078237E-10 -9.445825192314867E-8 9.478862567304749E-8 -8.713104927539902E-10
i -4.454086786940362E-15 1.124589159893499E-14 2.994507450662906E-13 8.714038530829233E-10 -8.713104927539902E-10 5.814968738431639E-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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