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79558 (1998 QE51)
Classification: Mars-crossing Asteroid          SPK-ID: 2079558
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2519105362074272 3.7604e-08  
a 2.184298780346734 7.6222e-09 au
q 1.634050903352359 8.4511e-08 au
i 2.261834997962595 3.8763e-06 deg
node 331.0816359149987 8.7687e-05 deg
peri 329.8800803891754 8.8004e-05 deg
M 290.6272781470859 7.3738e-06 deg
tp 2459227.723228112649
(2021-Jan-13.22322811)
2.477e-05 TDB
period 1179.143039738141
3.23
6.172e-06
1.69e-08
d
yr
n .3053064707738488 1.5981e-09 deg/d
Q 2.734546657341109 9.5423e-09 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1994-03-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:42:07  

Additional Information
 Earth MOID = .619071 au 
 Jupiter MOID = 2.50323 au 
 T_jup = 3.635 
[ 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 15.8   n/a MPO395716  

79558 (1998 QE51)          Discovered 1998-Aug-17 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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