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JPL Small-Body Database Browser
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201515 (2003 OS21)
Classification: Main-belt Asteroid          SPK-ID: 2201515
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124210449629635 7.8323e-08  
a 2.59298657757061 1.9902e-08 au
q 2.042181659188123 2.1142e-07 au
i 3.607817108888319 5.9198e-06 deg
node 281.4122229716217 0.00010728 deg
peri 126.4364774194804 0.00010791 deg
M 202.9055014596256 1.2412e-05 deg
tp 2459266.014167824107
(2021-Feb-20.51416782)
5.6649e-05 TDB
period 1525.101786776469
4.18
1.7559e-05
4.807e-08
d
yr
n .2360498185245156 2.7177e-09 deg/d
Q 3.143791495953098 2.413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      10175 days (27.86 yr)  
   first obs. used      1991-10-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:59:41  

Additional Information
 Earth MOID = 1.05428 au 
 Jupiter MOID = 2.25494 au 
 T_jup = 3.384 
[ 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 15.8   n/a MPO436980  

201515 (2003 OS21)          Discovered 2003-Jul-28 by CINEOS at Campo Imperatore
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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