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79420 (1997 MM4)
Classification: Main-belt Asteroid          SPK-ID: 2079420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841701311969095 3.7112e-08  
a 2.375611520096526 9.9134e-09 au
q 1.93809483476746 8.9928e-08 au
i 5.264669701408727 4.3921e-06 deg
node 102.1634386499607 6.4065e-05 deg
peri 209.5523190307995 6.5935e-05 deg
M 177.522646662258 1.7564e-05 deg
tp 2458737.003000207594
(2019-Sep-10.50300021)
6.3627e-05 TDB
period 1337.400745139647
3.66
8.3714e-06
2.292e-08
d
yr
n .2691788540632299 1.6849e-09 deg/d
Q 2.813128205425593 1.1739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      8664 days (23.72 yr)  
   first obs. used      1997-06-28  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:32:41  

Additional Information
 Earth MOID = .925132 au 
 Jupiter MOID = 2.4522 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a MPCxxxxx  

79420 (1997 MM4)          Discovered 1997-Jun-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 MM4 = 2001 OG71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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