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12712 (1991 EY3)
Classification: Main-belt Asteroid          SPK-ID: 2012712
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346347752215251 6.4827e-08  
a 2.860840337956742 2.7604e-08 AU
q 2.475671742111264 1.9367e-07 AU
i 1.335855642153886 6.2686e-06 deg
node 316.8034817917896 0.00028617 deg
peri 239.1516917844506 0.00028706 deg
M 291.9568860782225 2.7442e-05 deg
tp 2457334.556970008205
(2015-Nov-08.05697001)
0.00013725 JED
period 1767.416308154348
4.84
2.5581e-05
7.004e-08
d
yr
n .2036871552780542 2.9481e-09 deg/d
Q 3.24600893380222 3.1321e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8717 days (23.87 yr)  
   first obs. used      1991-03-12  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5578  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:35:43  

Additional Information
 Earth MOID = 1.47597 AU 
 T_jup = 3.288 
[ 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 MPO279650  

12712 (1991 EY3)          Discovered 1991-Mar-12 by Debehogne, H. at La Silla (809)
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 EY3 = 1993 RX10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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