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7479 (1994 EC1)
Classification: Main-belt Asteroid          SPK-ID: 2007479
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09050139617170176 5.0076e-08  
a 2.265185807131671 1.1877e-08 au
q 2.060183328997931 1.1162e-07 au
i 5.161308670993462 5.2253e-06 deg
node 153.4512544411608 5.9839e-05 deg
peri 334.4291863744779 6.7526e-05 deg
M 239.9549533886234 3.237e-05 deg
tp 2458015.736879263532
(2017-Sep-19.23687926)
0.00011314 JED
period 1245.243187907638
3.41
9.7938e-06
2.681e-08
d
yr
n .2891001560947322 2.2738e-09 deg/d
Q 2.47018828526541 1.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      21820 days (59.74 yr)  
   first obs. used      1955-12-18  
   last obs. used      2015-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50397  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:24:40  

Additional Information
 Earth MOID = 1.07492 au 
 Jupiter MOID = 2.56239 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO250283  
rotation period rot_per 4.9258 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

7479 (1994 EC1)          Discovered 1994-Mar-04 by Ueda, S., Kaneda, H. at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 EC1 = 1991 JD7 = 1992 SW13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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