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JPL Small-Body Database Browser
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74293 (1998 SF140)
Classification: Main-belt Asteroid          SPK-ID: 2074293
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874985282180517 4.4835e-08  
a 2.657804949159143 1.6215e-08 au
q 2.15947043290115 1.2185e-07 au
i 3.392069957879182 4.1422e-06 deg
node 262.5553700344001 9.849e-05 deg
peri 124.1685576461602 9.9552e-05 deg
M 266.7752439370068 1.5161e-05 deg
tp 2459010.337638481139
(2020-Jun-09.83763848)
6.8216e-05 TDB
period 1582.64345313507
4.33
1.4483e-05
3.965e-08
d
yr
n .2274675317974325 2.0816e-09 deg/d
Q 3.156139465417136 1.9255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      9978 days (27.32 yr)  
   first obs. used      1991-01-19  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55262  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:34:14  

Additional Information
 Earth MOID = 1.16553 au 
 Jupiter MOID = 2.30493 au 
 T_jup = 3.359 
[ 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 MPO439561  

74293 (1998 SF140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SF140 = 2002 QM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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