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7843 (1994 YE1)
Classification: Main-belt Asteroid          SPK-ID: 2007843
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031794471444374 1.2687e-07  
a 2.544904378852132 2.6619e-08 AU
q 2.282322552006711 3.2118e-07 AU
i 11.39841156338226 1.0107e-05 deg
node 280.0256557446262 4.6562e-05 deg
peri 114.9256070799773 6.412e-05 deg
M 327.8289951589894 4.6455e-05 deg
tp 2456933.015828332123
(2014-Oct-02.51582833)
0.00019213 JED
period 1482.878711290689
4.06
2.3265e-05
6.37e-08
d
yr
n .2427710353240273 3.8089e-09 deg/d
Q 2.807486205697553 2.9365e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      15026 days (41.14 yr)  
   first obs. used      1972-05-11  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57299  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:48:52  

Additional Information
 Earth MOID = 1.316 AU 
 T_jup = 3.408 
[ 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 12.6 mag n/a MPO265999  

7843 (1994 YE1)          Discovered 1994-Dec-22 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 YE1 = 1972 JC1 = 1990 XY = 1993 ML 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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