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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720832977438495 3.49e-08  
a 2.394963172217455 8.8879e-09 au
q 1.982830011567205 8.4018e-08 au
i 2.194828310287675 3.8969e-06 deg
node 113.6728447660283 9.86e-05 deg
peri 297.5806383551165 9.9309e-05 deg
M 280.2398706437635 1.1771e-05 deg
tp 2459300.436994348579
(2021-Mar-26.93699435)
4.4882e-05 TDB
period 1353.775612414369
3.71
7.536e-06
2.063e-08
d
yr
n .2659229466824002 1.4803e-09 deg/d
Q 2.807096332867706 1.0417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1993-04-25  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:36:17  

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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