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14879 (1991 AL2)
Classification: Main-belt Asteroid          SPK-ID: 2014879
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719625847643866 4.4419e-08  
a 2.525320695859373 1.5836e-08 AU
q 2.091060021640395 1.129e-07 AU
i 12.48449404304301 6.9838e-06 deg
node 194.3982871565989 2.9021e-05 deg
peri 297.508924992614 4.0574e-05 deg
M 308.1233571822365 2.8517e-05 deg
tp 2457211.723675784467
(2015-Jul-08.22367578)
0.00011645 JED
period 1465.794992739404
4.01
1.3788e-05
3.775e-08
d
yr
n .2456005115198279 2.3102e-09 deg/d
Q 2.95958137007835 1.856e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      10798 days (29.56 yr)  
   first obs. used      1985-08-16  
   last obs. used      2015-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50979  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:50:53  

Additional Information
 Earth MOID = 1.13629 AU 
 T_jup = 3.401 
[ 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 13.9 mag n/a MPO319270  

14879 (1991 AL2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 AL2 = 1985 QM3 = 1998 XK77 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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