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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03779439551618698 3.9621e-08  
a 2.541608975357417 1.341e-08 au
q 2.445550400495268 1.0174e-07 au
i 4.097438666294412 4.2187e-06 deg
node 225.0342873222557 6.1484e-05 deg
peri 325.8214137901393 8.798e-05 deg
M 319.3265630454191 6.2652e-05 deg
tp 2459167.712947241953
(2020-Nov-14.21294724)
0.0002573 TDB
period 1479.999368490133
4.05
1.1713e-05
3.207e-08
d
yr
n .2432433470341715 1.9251e-09 deg/d
Q 2.637667550219566 1.3917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:03:37  

Additional Information
 Earth MOID = 1.4452 au 
 Jupiter MOID = 2.32707 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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