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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09077661245300249 5.0312e-08  
a 2.264621386491012 1.1927e-08 AU
q 2.059046728536736 1.1228e-07 AU
i 5.16127355870005 5.2926e-06 deg
node 153.4539464263382 6.0012e-05 deg
peri 334.3075054773817 6.7793e-05 deg
M 66.58978074228038 3.2038e-05 deg
tp 2456770.251442755705
(2014-Apr-22.75144276)
0.00011025 JED
period 1244.777797493432
3.41
9.8335e-06
2.692e-08
d
yr
n .2892082432100895 2.2847e-09 deg/d
Q 2.470196044445288 1.3009e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      21758 days (59.57 yr)  
   first obs. used      1955-12-18  
   last obs. used      2015-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5048  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:22:09  

Additional Information
 Earth MOID = 1.0754 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. 2015-July); 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. (2015) Astron. J., in press.]

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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