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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919328798295251 4.6191e-08  
a 2.277710131938898 1.0397e-08 au
q 1.840542666898978 1.0911e-07 au
i 4.971376566491156 4.7974e-06 deg
node 182.0993141421743 4.4721e-05 deg
peri 160.5513201683552 4.59e-05 deg
M 185.8421822889308 1.1795e-05 deg
tp 2459807.916494018697
(2022-Aug-16.41649402)
4.3464e-05 TDB
period 1255.584967247971
3.44
8.5974e-06
2.354e-08
d
yr
n .2867189472561614 1.9633e-09 deg/d
Q 2.714877596978818 1.2393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      10244 days (28.05 yr)  
   first obs. used      1993-02-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:34  

Additional Information
 Earth MOID = .831867 au 
 Jupiter MOID = 2.69683 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 16.24   n/a E2021B55  

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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