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JPL Small-Body Database Browser
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74087 (1998 OS13)
Classification: Main-belt Asteroid          SPK-ID: 2074087
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198285138298387 6.4951e-08  
a 2.674136909618597 2.2461e-08 au
q 2.143895302666052 1.7135e-07 au
i 12.42960450413256 8.4439e-06 deg
node 319.2638782241827 2.9327e-05 deg
peri 84.34263369191619 3.875e-05 deg
M 212.3962042627905 2.1439e-05 deg
tp 2459255.390830214466
(2021-Feb-09.89083021)		 9.679e-05 TDB
period 1597.253632263975
4.37		 2.0124e-05
5.51e-08		 d
yr
n .2253868720209011 2.8396e-09 deg/d
Q 3.204378516571142 2.6914e-08 au
   Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      1998-07-26  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60712  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:44:37  

Additional Information
 Earth MOID = 1.19368 au 
 Jupiter MOID = 2.36182 au 
 T_jup = 3.318 
[ 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 15.1   n/a MPO439559  

74087 (1998 OS13)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 OS13 = 2000 AJ47 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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