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JPL Small-Body Database Browser
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172512 (2003 SN231)
Classification: Main-belt Asteroid          SPK-ID: 2172512
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116118754110263 4.4187e-08  
a 2.343059790361494 1.6763e-08 au
q 2.081546492959081 1.0701e-07 au
i 5.125752884437402 5.1907e-06 deg
node 51.61761924392893 5.546e-05 deg
peri 251.4855866859862 6.0185e-05 deg
M 280.1744921550098 2.3617e-05 deg
tp 2459290.977616889965
(2021-Mar-17.47761689)
8.6565e-05 TDB
period 1310.006599437505
3.59
1.4058e-05
3.849e-08
d
yr
n .2748077758956161 2.9491e-09 deg/d
Q 2.604573087763907 1.8634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      6121 days (16.76 yr)  
   first obs. used      2002-04-13  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:49:47  

Additional Information
 Earth MOID = 1.0731 au 
 Jupiter MOID = 2.58099 au 
 T_jup = 3.549 
[ show covariance matrix ]

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 MPO417928  

172512 (2003 SN231)          Discovered 2003-Sep-24 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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