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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346348159787898 6.9953e-08  
a 2.860840359259954 3.0796e-08 AU
q 2.475671643946296 2.0379e-07 AU
i 1.335855657785587 6.4219e-06 deg
node 316.8034882497445 0.00031579 deg
peri 239.1516950347468 0.00031663 deg
M 291.9568682660227 2.9723e-05 deg
tp 2457334.557061188345
(2015-Nov-08.05706119)
0.00014918 JED
period 1767.416327895914
4.84
2.8538e-05
7.813e-08
d
yr
n .2036871530029234 3.2889e-09 deg/d
Q 3.246009074573613 3.4942e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      8604 days (23.56 yr)  
   first obs. used      1991-03-12  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56419  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:23:29  

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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