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79729 (1998 SW128)
Classification: Main-belt Asteroid          SPK-ID: 2079729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720833226222278 4.4289e-08  
a 2.394963177041221 1.0359e-08 au
q 1.982829955978081 1.0377e-07 au
i 2.194829190687333 4.0188e-06 deg
node 113.6728033221516 0.00010737 deg
peri 297.5806791318359 0.00010801 deg
M 280.2398679427612 1.2098e-05 deg
tp 2459300.437005411833
(2021-Mar-26.93700541)
4.6331e-05 TDB
period 1353.775616504388
3.71
8.7832e-06
2.405e-08
d
yr
n .2659229458789953 1.7253e-09 deg/d
Q 2.807096398104362 1.2142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9541 days (26.12 yr)  
   first obs. used      1993-04-25  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:45:44  

Additional Information
 Earth MOID = .994744 au 
 Jupiter MOID = 2.55438 au 
 T_jup = 3.508 
[ 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 15.9   n/a MPO337857  

79729 (1998 SW128)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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