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120441 (1979 MZ7)
Classification: Main-belt Asteroid          SPK-ID: 2120441
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924948449419301 5.0107e-08  
a 2.299049162881702 1.1481e-08 au
q 1.856494050758915 1.1359e-07 au
i 3.024699327965878 5.2826e-06 deg
node 160.1661111489176 7.0879e-05 deg
peri 176.3153749701055 7.1623e-05 deg
M 232.8408424437352 1.113e-05 deg
tp 2459450.244597966331
(2021-Aug-23.74459797)
4.1373e-05 TDB
period 1273.270902225338
3.49
9.5379e-06
2.611e-08
d
yr
n .2827363755590551 2.1179e-09 deg/d
Q 2.74160427500449 1.3691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      14915 days (40.84 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:37:44  

Additional Information
 Earth MOID = .847016 au 
 Jupiter MOID = 2.63683 au 
 T_jup = 3.566 
[ 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 17.1   n/a MPO412813  
diameter diameter 2.214 km 0.550 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120441 (1979 MZ7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1979 MZ7 = 2000 QE183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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