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29228 (1992 EC)
Classification: Main-belt Asteroid          SPK-ID: 2029228
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06782805691952849 5.3949e-08  
a 2.361934392827571 1.8291e-08 AU
q 2.20172897239067 1.2726e-07 AU
i 6.798269055187664 6.7597e-06 deg
node 349.4121926905204 4.9233e-05 deg
peri 245.1664785855467 7.1847e-05 deg
M 38.26530313076938 5.1528e-05 deg
tp 2456859.570202034694
(2014-Jul-21.07020203)
0.00018991 JED
period 1325.867642917328
3.63
1.5401e-05
4.217e-08
d
yr
n .2715203149598599 3.1539e-09 deg/d
Q 2.522139813264471 1.9531e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      9682 days (26.51 yr)  
   first obs. used      1987-12-24  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:00:26  

Additional Information
 Earth MOID = 1.20299 AU 
 T_jup = 3.538 
[ 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 14.2 mag n/a MPO299166  

29228 (1992 EC)          Discovered 1992-Mar-02 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EC = 1987 YK5 = 1992 GH5 = 1999 AY4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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