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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980922871158314 8.0265e-08  
a 2.27514426587025 2.142e-08 AU
q 1.824455734725543 1.7944e-07 AU
i 6.365641650901137 9.5685e-06 deg
node 76.92358041823566 6.0547e-05 deg
peri 267.8993089544454 7.0019e-05 deg
M 219.6295622151448 3.9402e-05 deg
tp 2457289.247997383711
(2015-Sep-23.74799738)
0.00014188 JED
period 1253.463919004172
3.43
1.7702e-05
4.847e-08
d
yr
n .2872041185565244 4.056e-09 deg/d
Q 2.725832797014957 2.5663e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      8295 days (22.71 yr)  
   first obs. used      1991-09-15  
   last obs. used      2014-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56635  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 15:44:30  

Additional Information
 Earth MOID = .829388 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 15.6 mag n/a MPO257359  

79139 (1991 SP)          Discovered 1991-Sep-30 by McNaught, R. H. at Siding Spring (413)
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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