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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527841896709605 4.0627e-08  
a 2.800855076630999 1.8857e-08 au
q 2.372928703362136 1.1629e-07 au
i 12.36395994852041 6.6251e-06 deg
node 218.1762942273171 1.8776e-05 deg
peri 108.4002471465128 3.0048e-05 deg
M 264.9590117169727 2.6533e-05 deg
tp 2459452.504570885402
(2021-Aug-26.00457089)
0.0001287 TDB
period 1712.120722421025
4.69
1.729e-05
4.734e-08
d
yr
n .2102655468657267 2.1234e-09 deg/d
Q 3.228781449899862 2.1738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7884 days (21.59 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:03:57  

Additional Information
 Earth MOID = 1.39753 au 
 Jupiter MOID = 2.23995 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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