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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 
[ 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 15.8   n/a MPO348013  

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

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