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12693 (1989 EZ)
Classification: Main-belt Asteroid          SPK-ID: 2012693
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127926264840131 3.4332e-08  
a 2.552418480866228 1.3044e-08 au
q 2.009282648436369 8.6234e-08 au
i 7.063831071797281 7.2892e-06 deg
node 20.29630112299631 3.1194e-05 deg
peri 258.5127164936357 3.7085e-05 deg
M 85.34452512928443 2.0352e-05 deg
tp 2457047.398621466303
(2015-Jan-24.89862147)
8.3567e-05 JED
period 1489.451093430633
4.08
1.1418e-05
3.126e-08
d
yr
n .2416997789238026 1.8529e-09 deg/d
Q 3.095554313296088 1.582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1701  
   data-arc span      24312 days (66.56 yr)  
   first obs. used      1949-05-20  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:21:41  

Additional Information
 Earth MOID = 1.00616 au 
 Jupiter MOID = 2.08609 au 
 T_jup = 3.397 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO350903  

12693 (1989 EZ)          Discovered 1989-Mar-09 by Oshima, Y. at Gekko
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 EZ = 1937 ND = 1949 KB1 = 1969 EF2 = 1970 SJ1 = 1998 KY17 = 1999 TB27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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