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79740 (1998 SQ140)
Classification: Main-belt Asteroid          SPK-ID: 2079740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207005064582888 4.6269e-08  
a 2.266410567657839 8.4268e-09 au
q 1.766212607533336 1.0506e-07 au
i 3.869770964076738 5.721e-06 deg
node 357.9351954447085 5.7411e-05 deg
peri 310.4731273566767 5.8745e-05 deg
M 175.1198647180686 1.369e-05 deg
tp 2458394.267494634854
(2018-Oct-02.76749463)
4.6592e-05 TDB
period 1246.253257920285
3.41
6.9506e-06
1.903e-08
d
yr
n .2888658446524413 1.6111e-09 deg/d
Q 2.766608527782342 1.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      10364 days (28.38 yr)  
   first obs. used      1991-09-08  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:46:04  

Additional Information
 Earth MOID = .754742 au 
 Jupiter MOID = 2.50605 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456367.5 (2013-Mar-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201818283372988 4.6257e-08  
q 1.768091793660576 1.051e-07 au
tp 2455902.399458776110
(2011-Dec-06.89945878)
4.6238e-05 TDB
node 358.0341392807578 5.7391e-05 deg
peri 310.4811388053417 5.8738e-05 deg
i 3.87031819100834 5.7205e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      10364 days (28.38 yr)  
   first obs. used      1991-09-08  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:46:04  

Additional Information
 Jupiter MOID = 2.50605 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.139737648941338E-15 -4.851956890327075E-15 1.11640300502858E-12 5.13961289869209E-15 2.382708325503456E-13 -9.594845911747375E-16
q -4.851956890327075E-15 1.104564213684841E-14 -2.569324376672003E-12 -1.2860696635971E-14 -5.467183784168409E-13 2.182778854651474E-15
tp 1.11640300502858E-12 -2.569324376672003E-12 2.137961093372103E-9 3.109268987680326E-12 5.835137836200078E-10 -2.080353115497318E-12
node 5.13961289869209E-15 -1.2860696635971E-14 3.109268987680326E-12 3.293707544077103E-9 -3.284592161999602E-9 2.542604750848035E-11
peri 2.382708325503456E-13 -5.467183784168409E-13 5.835137836200078E-10 -3.284592161999602E-9 3.450156484535488E-9 -2.594581440528008E-11
i -9.594845911747375E-16 2.182778854651474E-15 -2.080353115497318E-12 2.542604750848035E-11 -2.594581440528008E-11 3.272401133482628E-11

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 15.8   n/a MPO348013  

79740 (1998 SQ140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Alternate Designations
 1998 SQ140 = 1991 RX30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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