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JPL Small-Body Database Browser
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74238 (1998 SM48)
Classification: Main-belt Asteroid          SPK-ID: 2074238
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04491725207778925 5.9288e-08  
a 2.6130428449545 1.3937e-08 au
q 2.495672140797615 1.5391e-07 au
i 3.191084919039533 6.5458e-06 deg
node 215.1016042843513 7.0192e-05 deg
peri 181.6282349008266 9.2364e-05 deg
M 302.4122835775983 5.6313e-05 deg
tp 2458847.300241083210
(2019-Dec-29.80024108)
0.00024081 TDB
period 1542.830525493686
4.22
1.2344e-05
3.38e-08
d
yr
n .2333373588682429 1.8668e-09 deg/d
Q 2.730413549111384 1.4563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      10079 days (27.59 yr)  
   first obs. used      1992-04-09  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:25  

Additional Information
 Earth MOID = 1.50142 au 
 Jupiter MOID = 2.45192 au 
 T_jup = 3.405 
[ 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 15.6   n/a MPO395675  

74238 (1998 SM48)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SM48 = 2000 CO46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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