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JPL Small-Body Database Browser
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85733 (1998 ST90)
Classification: Main-belt Asteroid          SPK-ID: 2085733
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 .0589572845791354 4.3799e-08  
a 2.660363612862474 1.7577e-08 au
q 2.503515798254965 1.1928e-07 au
i 3.140582942439855 5.6773e-06 deg
node 16.20970735872977 9.6491e-05 deg
peri 219.8356653151785 0.00011019 deg
M 119.0639988164065 5.2588e-05 deg
tp 2458476.311016758857
(2018-Dec-23.81101676)
0.00023098 TDB
period 1584.929414791405
4.34
1.5707e-05
4.3e-08
d
yr
n .2271394527985211 2.251e-09 deg/d
Q 2.817211427469984 1.8613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8620 days (23.60 yr)  
   first obs. used      1994-11-05  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:50:25  

Additional Information
 Earth MOID = 1.49287 au 
 Jupiter MOID = 2.1691 au 
 T_jup = 3.381 
[ 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 15.7   n/a MPO395766  

85733 (1998 ST90)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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