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JPL Small-Body Database Browser
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74289 (1998 SX135)
Classification: Main-belt Asteroid          SPK-ID: 2074289
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651652168570273 4.7301e-08  
a 2.782809770585174 1.853e-08 au
q 2.32318639135462 1.272e-07 au
i 14.09931391267677 4.6153e-06 deg
node 181.3629059634579 2.1086e-05 deg
peri 199.7609680166438 2.5424e-05 deg
M 151.0167927107082 1.5597e-05 deg
tp 2457889.210417856094
(2017-May-15.71041786)
7.1494e-05 TDB
period 1695.601164450165
4.64
1.6936e-05
4.637e-08
d
yr
n .2123140792467772 2.1206e-09 deg/d
Q 3.242433149815729 2.159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:37:32  

Additional Information
 Earth MOID = 1.32846 au 
 Jupiter MOID = 2.22564 au 
 T_jup = 3.269 
[ 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 14.6   n/a MPO290959  

74289 (1998 SX135)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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