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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129108003973504 3.4163e-08  
a 2.552066180054545 1.2964e-08 au
q 2.008703726992124 8.5651e-08 au
i 7.063993426192565 7.2711e-06 deg
node 20.29691300854779 3.0794e-05 deg
peri 258.4804561246266 3.6723e-05 deg
M 133.7165149554508 2.0421e-05 deg
tp 2457047.380622242960
(2015-Jan-24.88062224)
8.3454e-05 JED
period 1489.142728995551
4.08
1.1347e-05
3.107e-08
d
yr
n .2417498289387112 1.8421e-09 deg/d
Q 3.095428633116967 1.5724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1751  
   data-arc span      24372 days (66.73 yr)  
   first obs. used      1949-05-20  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49169  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:14:17  

Additional Information
 Earth MOID = 1.0069 au 
 Jupiter MOID = 2.08732 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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