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JPL Small-Body Database Browser
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215633 (2003 ST321)
Classification: Main-belt Asteroid          SPK-ID: 2215633
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0961698132014739 4.1652e-08  
a 2.344778357482187 1.1691e-08 au
q 2.119281460844266 9.7695e-08 au
i 6.091974030392649 4.6076e-06 deg
node 147.3723025133595 4.4959e-05 deg
peri 277.8794878722089 5.2042e-05 deg
M 82.75841582328961 2.5987e-05 deg
tp 2458299.018414801269
(2018-Jun-29.51841480)
9.3979e-05 TDB
period 1311.448142063156
3.59
9.8079e-06
2.685e-08
d
yr
n .2745057074339607 2.0529e-09 deg/d
Q 2.570275254120107 1.2815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1996-11-18  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:02:34  

Additional Information
 Earth MOID = 1.14275 au 
 Jupiter MOID = 2.66103 au 
 T_jup = 3.548 
[ 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 16.7   n/a MPO427268  

215633 (2003 ST321)          Discovered 2003-Sep-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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