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58992 (1998 SH8)
Classification: Main-belt Asteroid          SPK-ID: 2058992
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2371887216590285 4.2049e-08  
a 2.266384939627602 6.3271e-09 au
q 1.728823993010057 9.6363e-08 au
i .3589020769948316 4.1231e-06 deg
node 331.0415817610358 0.00055401 deg
peri 16.12951724790912 0.00055406 deg
M 139.512644449679 6.9156e-06 deg
tp 2458517.541281704130
(2019-Feb-03.04128170)		 2.3155e-05 TDB
period 1246.232119478065
3.41		 5.2187e-06
1.429e-08		 d
yr
n .2888707443608272 1.2097e-09 deg/d
Q 2.803945886245147 7.8278e-09 au
   Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      10488 days (28.71 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:42:08  

Additional Information
 Earth MOID = .722012 au 
 Jupiter MOID = 2.61882 au 
 T_jup = 3.578 
[ 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 15.9   n/a MPO449379  

58992 (1998 SH8)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SH8 = 1991 PZ23 = 2000 DO49 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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