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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125502770585417 4.3331e-08  
a 2.552020601519386 1.785e-08 AU
q 2.009587915607335 1.1349e-07 AU
i 7.063719326681227 8.5434e-06 deg
node 20.30274766245111 3.6346e-05 deg
peri 258.5632032574316 4.4343e-05 deg
M 300.2783388407336 2.7737e-05 deg
tp 2457047.532486158348
(2015-Jan-25.03248616)
0.00011596 JED
period 1489.102836236275
4.08
1.5623e-05
4.277e-08
d
yr
n .2417563053669982 2.5364e-09 deg/d
Q 3.094453287431438 2.1644e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      23699 days (64.88 yr)  
   first obs. used      1949-05-20  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50149  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:02:38  

Additional Information
 Earth MOID = 1.00754 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 12.3 mag n/a MPO253453  

12693 (1989 EZ)          Discovered 1989-Mar-09 by Oshima, Y. at Gekko (888)
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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