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JPL Small-Body Database Browser
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74294 (1998 SG140)
Classification: Main-belt Asteroid          SPK-ID: 2074294
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524516220455307 5.1939e-08  
a 2.801427125854214 2.3259e-08 au
q 2.374345016475389 1.4193e-07 au
i 12.36299132508185 6.8392e-06 deg
node 218.1815347327915 2.4697e-05 deg
peri 108.3923065590139 3.4079e-05 deg
M 180.8444131960092 2.704e-05 deg
tp 2459452.805471015611
(2021-Aug-26.30547102)		 0.00013474 TDB
period 1712.645276874978
4.69		 2.1329e-05
5.84e-08		 d
yr
n .2102011460638733 2.6178e-09 deg/d
Q 3.228509235233038 2.6805e-08 au
   Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:25:27  

Additional Information
 Earth MOID = 1.39806 au 
 Jupiter MOID = 2.23833 au 
 T_jup = 3.274 
[ 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 14.9   n/a MPO385284  

74294 (1998 SG140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SG140 = 2002 LR46 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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