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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08459751686112825 6.3116e-08  
a 2.532412962464875 1.3377e-08 AU
q 2.318177114173413 1.5982e-07 AU
i 2.288640967240973 7.3982e-06 deg
node 154.463811022717 0.00010472 deg
peri 327.8850739350101 0.00011506 deg
M 93.13829374669109 4.5306e-05 deg
tp 2456619.674522366621
(2013-Nov-23.17452237)
0.00018468 JED
period 1471.974270012725
4.03
1.1663e-05
3.193e-08
d
yr
n .244569492370874 1.9379e-09 deg/d
Q 2.746648810756337 1.4509e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1257  
   data-arc span      22355 days (61.20 yr)  
   first obs. used      1954-04-08  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52176  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:56:33  

Additional Information
 Earth MOID = 1.33436 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
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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