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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718822078506915 5.256e-08  
a 2.525433585219842 2.4848e-08 AU
q 2.091356484811969 1.2571e-07 AU
i 12.4840582641314 7.3322e-06 deg
node 194.3978961618689 3.1e-05 deg
peri 297.4879601109203 4.2362e-05 deg
M 259.0168535927309 3.1363e-05 deg
tp 2457211.695877522211
(2015-Jul-08.19587752)
0.00013024 JED
period 1465.893281944126
4.01
2.1635e-05
5.923e-08
d
yr
n .2455840438279065 3.6245e-09 deg/d
Q 2.959510685627716 2.9119e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      10295 days (28.19 yr)  
   first obs. used      1985-08-16  
   last obs. used      2013-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52693  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:02:48  

Additional Information
 Earth MOID = 1.1363 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 13.8 mag n/a MPO267765  

14879 (1991 AL2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring (413)
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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