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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126532049671102 4.2048e-08  
a 2.552373651510832 1.6966e-08 AU
q 2.009603214243448 1.1064e-07 AU
i 7.063399303061971 7.5964e-06 deg
node 20.30118596898907 3.5367e-05 deg
peri 258.5493265454074 4.2252e-05 deg
M 348.6435153535372 2.5883e-05 deg
tp 2457047.484674579452
(2015-Jan-24.98467458)
0.00010733 JED
period 1489.411853682295
4.08
1.485e-05
4.066e-08
d
yr
n .2417061466980854 2.41e-09 deg/d
Q 3.095144088778217 2.0574e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      24054 days (65.86 yr)  
   first obs. used      1949-05-20  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48038  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:44:49  

Additional Information
 Earth MOID = 1.00937 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 12.4 mag n/a MPO302144  

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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