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26278 (1998 SK8)
Classification: Main-belt Asteroid          SPK-ID: 2026278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543114824146158 3.9712e-08  
a 2.744583769990613 1.3744e-08 au
q 2.321062979832266 1.0843e-07 au
i 12.87506243490534 4.3741e-06 deg
node 189.6305582248012 1.8888e-05 deg
peri 290.430854542723 2.4179e-05 deg
M 185.1973102856847 1.8415e-05 deg
tp 2459806.915326472608
(2022-Aug-15.41532647)
8.8175e-05 TDB
period 1660.784041736426
4.55
1.2475e-05
3.415e-08
d
yr
n .2167650886286235 1.6282e-09 deg/d
Q 3.168104560148959 1.5865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      9886 days (27.07 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:51  

Additional Information
 Earth MOID = 1.37189 au 
 Jupiter MOID = 2.01494 au 
 T_jup = 3.295 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO302221  

26278 (1998 SK8)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SK8 = 2000 AE242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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