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JPL Small-Body Database Browser
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39476 (1979 MA2)
Classification: Main-belt Asteroid          SPK-ID: 2039476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127447365454218 3.6357e-08  
a 2.234451964478453 1.0772e-08 au
q 1.982529266419929 8.0658e-08 au
i 6.150177710546166 3.9742e-06 deg
node 249.4558426625921 5.7019e-05 deg
peri 25.01106024079401 6.458e-05 deg
M 345.8464083194594 3.2577e-05 deg
tp 2458648.464411767356
(2019-Jun-13.96441177)
0.00011054 TDB
period 1219.986320503247
3.34
8.822e-06
2.415e-08
d
yr
n .2950852759164539 2.1338e-09 deg/d
Q 2.486374662536976 1.1986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      14095 days (38.59 yr)  
   first obs. used      1979-06-23  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58085  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 18:58:22  

Additional Information
 Earth MOID = .967736 au 
 Jupiter MOID = 2.59636 au 
 T_jup = 3.623 
[ 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 MPO474252  

39476 (1979 MA2)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 MA2 = 1979 OQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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