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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06782805407517385 5.3669e-08  
a 2.361934392720052 1.8285e-08 AU
q 2.201728979008624 1.2662e-07 AU
i 6.79826878858068 6.7484e-06 deg
node 349.4121901141258 4.8981e-05 deg
peri 245.1664814695598 7.165e-05 deg
M 38.26530301325216 5.1515e-05 deg
tp 2456859.570202477129
(2014-Jul-21.07020248)
0.00018986 JED
period 1325.867642826795
3.63
1.5396e-05
4.215e-08
d
yr
n .2715203149783998 3.153e-09 deg/d
Q 2.522139806431481 1.9525e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      830  
   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      .4981  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:17:09  

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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