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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649286286359077 4.1147e-08  
a 2.78366658789863 1.5876e-08 au
q 2.324560274976913 1.137e-07 au
i 14.09706206064803 4.0996e-06 deg
node 181.3532607485715 2.0187e-05 deg
peri 199.6313894319567 2.4444e-05 deg
M 236.1052945363393 1.589e-05 deg
tp 2459584.313991148878
(2022-Jan-04.81399115)
7.7238e-05 TDB
period 1696.384329153126
4.64
1.4513e-05
3.973e-08
d
yr
n .2122160608378883 1.8155e-09 deg/d
Q 3.242772900820348 1.8495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7931 days (21.71 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:17  

Additional Information
 Earth MOID = 1.33053 au 
 Jupiter MOID = 2.22837 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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