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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134846898967231 7.1033e-08  
a 2.858981662280368 3.1365e-08 AU
q 2.473456850917681 2.0562e-07 AU
i 1.336001753146674 6.4615e-06 deg
node 316.7990184617733 0.00031933 deg
peri 239.4383484871598 0.00032016 deg
M 250.9315120517848 2.9606e-05 deg
tp 2457335.448868394127
(2015-Nov-08.94886839)
0.00015053 JED
period 1765.694163774615
4.83
2.9057e-05
7.955e-08
d
yr
n .2038858186122162 3.3552e-09 deg/d
Q 3.244506473643054 3.5595e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      8352 days (22.87 yr)  
   first obs. used      1991-03-12  
   last obs. used      2014-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56539  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:26:58  

Additional Information
 Earth MOID = 1.47277 AU 
 T_jup = 3.289 
[ 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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