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79517 (1998 MD)
Classification: Main-belt Asteroid          SPK-ID: 2079517
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2825677970974897 4.7812e-08  
a 2.52101714031291 1.3378e-08 au
q 1.808658880529678 1.1913e-07 au
i 5.609200018159827 6.8995e-06 deg
node 287.56793719 3.9093e-05 deg
peri 72.46200163927367 4.1855e-05 deg
M 126.1036749159951 1.7478e-05 deg
tp 2458488.361568867150
(2019-Jan-04.86156887)
6.9886e-05 TDB
period 1462.049661365105
4.00
1.1637e-05
3.186e-08
d
yr
n .2462296661413476 1.9599e-09 deg/d
Q 3.233375400096142 1.7158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:41:37  

Additional Information
 Earth MOID = .814842 au 
 Jupiter MOID = 2.26963 au 
 T_jup = 3.393 
[ 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 15.3   n/a MPO453217  

79517 (1998 MD)          Discovered 1998-Jun-16 by Zoltowski, F. B. at Woomera
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 MD = 1994 NQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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