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JPL Small-Body Database Browser
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74292 (1998 SW138)
Classification: Main-belt Asteroid          SPK-ID: 2074292
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078407463843366 3.332e-08  
a 2.62367727230699 1.3083e-08 au
q 2.340737956989784 9.1938e-08 au
i 2.33823101423978 5.9773e-06 deg
node 333.8824030083604 0.000108 deg
peri 111.5396179878938 0.00011267 deg
M 248.3660079387266 3.1832e-05 deg
tp 2459081.846702990289
(2020-Aug-20.34670299)
0.00013826 TDB
period 1552.258500093699
4.25
1.1611e-05
3.179e-08
d
yr
n .2319201344223718 1.7347e-09 deg/d
Q 2.906616587624196 1.4494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:51:33  

Additional Information
 Earth MOID = 1.35815 au 
 Jupiter MOID = 2.27133 au 
 T_jup = 3.394 
[ 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 15.3   n/a MPO359266  

74292 (1998 SW138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW138 = 2000 DB63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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