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118290 (1998 SZ26)
Classification: Main-belt Asteroid          SPK-ID: 2118290
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918000207346799 4.7888e-08  
a 2.277895923223747 1.1066e-08 au
q 1.840995437917989 1.1344e-07 au
i 4.970764048550763 4.87e-06 deg
node 182.1049825478094 4.8764e-05 deg
peri 160.530125809229 5.006e-05 deg
M 128.5298977841778 1.1832e-05 deg
tp 2458552.166796069440
(2019-Mar-09.66679607)
3.9996e-05 TDB
period 1255.738596213761
3.44
9.1503e-06
2.505e-08
d
yr
n .2866838696249789 2.089e-09 deg/d
Q 2.714796408529504 1.3188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9779 days (26.77 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:51:59  

Additional Information
 Earth MOID = .834135 au 
 Jupiter MOID = 2.69647 au 
 T_jup = 3.578 
[ 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 16.2   n/a MPO348194  

118290 (1998 SZ26)          Discovered 1998-Sep-20 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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