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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2369738309303996 4.8789e-08  
a 2.266232132715165 6.8062e-09 au
q 1.729194422448082 1.1248e-07 au
i .3588388299358136 4.5254e-06 deg
node 331.0566852267304 0.00061353 deg
peri 16.10400826820532 0.00061358 deg
M 23.99484754669855 6.8831e-06 deg
tp 2458517.444095786567
(2019-Feb-02.94409579)
2.3734e-05 TDB
period 1246.106084176806
3.41
5.6137e-06
1.537e-08
d
yr
n .2888999617057649 1.3015e-09 deg/d
Q 2.803269842982247 8.4191e-09 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      10353 days (28.34 yr)  
   first obs. used      1991-08-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:05:43  

Additional Information
 Earth MOID = .721465 au 
 Jupiter MOID = 2.61589 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

[ show close-approach data ]
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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