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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346348146790108 7.1121e-08  
a 2.860840358669523 3.1316e-08 AU
q 2.475671647153817 2.0625e-07 AU
i 1.335855835632583 6.4629e-06 deg
node 316.8034998531045 0.00031921 deg
peri 239.1516832345878 0.00032005 deg
M 291.9568686920122 3.0022e-05 deg
tp 2457334.557058993538
(2015-Nov-08.05705899)
0.00015076 JED
period 1767.416327348764
4.84
2.902e-05
7.945e-08
d
yr
n .20368715306598 3.3445e-09 deg/d
Q 3.246009070185229 3.5532e-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 = 1.47597 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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