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7321 (1979 MZ2)
Classification: Main-belt Asteroid          SPK-ID: 2007321
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08469378047476581 7.8025e-08  
a 2.532473099096237 1.38e-08 AU
q 2.31798837838313 1.9931e-07 AU
i 2.28861001224697 8.0699e-06 deg
node 154.4641874401833 0.0001066 deg
peri 327.8757187447207 0.00012386 deg
M 44.22376005904601 5.8183e-05 deg
tp 2456619.670678660916
(2013-Nov-23.17067866)
0.00023791 JED
period 1472.026702278437
4.03
1.2032e-05
3.294e-08
d
yr
n .2445607810257678 1.9989e-09 deg/d
Q 2.746957819809344 1.4968e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      21989 days (60.20 yr)  
   first obs. used      1954-04-08  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:16:43  

Additional Information
 Earth MOID = 1.33393 AU 
 T_jup = 3.444 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO250281  

7321 (1979 MZ2)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 MZ2 = 1990 FU2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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