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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06769560139577292 5.8896e-08  
a 2.361601473943533 1.8203e-08 AU
q 2.201731441907782 1.3807e-07 AU
i 6.7983871050835 7.6389e-06 deg
node 349.4159894754372 5.2522e-05 deg
peri 245.1484420200875 7.8194e-05 deg
M 343.971121957946 5.758e-05 deg
tp 2456859.521326692378
(2014-Jul-21.02132669)
0.000212 JED
period 1325.587327666332
3.63
1.5326e-05
4.196e-08
d
yr
n .2715777319882594 3.1399e-09 deg/d
Q 2.521471505979284 1.9435e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      9604 days (26.29 yr)  
   first obs. used      1987-12-24  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53521  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:28:20  

Additional Information
 Earth MOID = 1.20158 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 14.3 mag n/a MPO257067  

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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