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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0681849911453358 4.9896e-08  
a 2.361552320161983 1.5901e-08 au
q 2.200529896122491 1.1411e-07 au
i 6.798408223177172 6.6151e-06 deg
node 349.4084936940415 3.9742e-05 deg
peri 245.1632642565388 6.2506e-05 deg
M 201.1676458530196 4.9216e-05 deg
tp 2458185.332173701181
(2018-Mar-07.83217370)
0.00018184 JED
period 1325.545942217768
3.63
1.3388e-05
3.665e-08
d
yr
n .2715862110351941 2.743e-09 deg/d
Q 2.522574744201475 1.6985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      10252 days (28.07 yr)  
   first obs. used      1987-12-24  
   last obs. used      2016-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50767  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 20:57:25  

Additional Information
 Earth MOID = 1.20004 au 
 Jupiter MOID = 2.48196 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 MPO347739  

29228 (1992 EC)          Discovered 1992-Mar-02 by Ueda, S., Kaneda, H. at Kushiro
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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