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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980137828136666 6.0086e-08  
a 2.275250302312748 1.3723e-08 au
q 1.824719383103862 1.4243e-07 au
i 6.365400623223059 5.908e-06 deg
node 76.91889346327964 5.1047e-05 deg
peri 267.7879375146892 5.4049e-05 deg
M 89.46467878411399 1.4727e-05 deg
tp 2457288.976148058257
(2015-Sep-23.47614806)
5.1426e-05 JED
period 1253.551549317601
3.43
1.1341e-05
3.105e-08
d
yr
n .2871840413710742 2.5982e-09 deg/d
Q 2.725781221521633 1.644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8914 days (24.41 yr)  
   first obs. used      1991-09-15  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54184  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 18:47:58  

Additional Information
 Earth MOID = .830024 au 
 Jupiter MOID = 2.691 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 MPO366153  

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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