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JPL Small-Body Database Browser
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74239 (1998 SP48)
Classification: Main-belt Asteroid          SPK-ID: 2074239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .03803676058501011 4.6573e-08  
a 2.54174889392088 1.547e-08 au
q 2.445068999775597 1.1552e-07 au
i 4.097824671519736 4.9497e-06 deg
node 225.0417334192435 6.4472e-05 deg
peri 325.7292818068055 8.99e-05 deg
M 222.1458439711975 6.2789e-05 deg
tp 2459167.280310403504
(2020-Nov-13.78031040)
0.0002575 TDB
period 1480.121583731071
4.05
1.3513e-05
3.7e-08
d
yr
n .2432232621677718 2.2205e-09 deg/d
Q 2.638428788066162 1.6058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1992-02-29  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:54:03  

Additional Information
 Earth MOID = 1.44506 au 
 Jupiter MOID = 2.32748 au 
 T_jup = 3.440 
[ 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 15.1   n/a MPO266272  

74239 (1998 SP48)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SP48 = 1992 DU9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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