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79139 (1991 SP)
Classification: Main-belt Asteroid          SPK-ID: 2079139
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980627344200311 6.1692e-08  
a 2.275518779741775 1.3847e-08 au
q 1.824823308001987 1.4624e-07 au
i 6.365130491280451 5.9234e-06 deg
node 76.91969330469497 5.1847e-05 deg
peri 267.8165893662656 5.4851e-05 deg
M 32.00140532719411 1.4864e-05 deg
tp 2457289.048578306185
(2015-Sep-23.54857831)
5.1822e-05 JED
period 1253.77343274603
3.43
1.1444e-05
3.133e-08
d
yr
n .2871332176911132 2.6209e-09 deg/d
Q 2.726214251481564 1.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1991-09-15  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:04:51  

Additional Information
 Earth MOID = .829043 au 
 Jupiter MOID = 2.68999 au 
 T_jup = 3.575 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO359298  

79139 (1991 SP)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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