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172507 (2003 SH208)
Classification: Main-belt Asteroid          SPK-ID: 2172507
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313821507834692 4.632e-08  
a 2.429933435934478 1.4999e-08 au
q 2.110683554860742 1.1368e-07 au
i 5.686963142982835 4.9274e-06 deg
node 218.0092206883726 5.2481e-05 deg
peri 89.64325111825306 5.574e-05 deg
M 175.9479478859903 2.2009e-05 deg
tp 2458324.305401125401
(2018-Jul-24.80540113)
8.2661e-05 TDB
period 1383.53449710361
3.79
1.281e-05
3.507e-08
d
yr
n .260203125222862 2.4092e-09 deg/d
Q 2.749183317008215 1.6969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:50:27  

Additional Information
 Earth MOID = 1.10542 au 
 Jupiter MOID = 2.48282 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325097161952065 4.6359e-08  
q 2.107560158149903 1.1388e-07 au
tp 2456941.146774922460
(2014-Oct-10.64677492)
7.9372e-05 TDB
node 218.0507688050562 5.2525e-05 deg
peri 89.63496336975167 5.5722e-05 deg
i 5.684313823719543 4.9269e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:50:27  

Additional Information
 Jupiter MOID = 2.48282 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.14913484728625E-15 -5.245148417590519E-15 4.748419194299363E-13 8.273923538975175E-15 8.864401625532759E-14 3.034608528155634E-16
q -5.245148417590519E-15 1.296922068620806E-14 -1.032784021164079E-12 -1.846199819059648E-14 -1.924806874270254E-13 -6.463168085769036E-16
tp 4.748419194299363E-13 -1.032784021164079E-12 6.299948990811216E-9 4.378629432299213E-11 1.506496011290091E-9 -8.708592049572056E-13
node 8.273923538975175E-15 -1.846199819059648E-14 4.378629432299213E-11 2.758922403590674E-9 -2.734401042252064E-9 -1.188022595092806E-11
peri 8.864401625532759E-14 -1.924806874270254E-13 1.506496011290091E-9 -2.734401042252064E-9 3.104979665811353E-9 1.163736395093196E-11
i 3.034608528155634E-16 -6.463168085769036E-16 -8.708592049572056E-13 -1.188022595092806E-11 1.163736395093196E-11 2.427446829666271E-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 16.5   n/a MPO454182  

172507 (2003 SH208)          Discovered 2003-Sep-23 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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