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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718822514673797 5.5266e-08  
a 2.525433586780082 2.5027e-08 AU
q 2.091356375952981 1.3344e-07 AU
i 12.48406232428958 7.8445e-06 deg
node 194.3979001533321 3.3051e-05 deg
peri 297.4879647496782 4.5471e-05 deg
M 259.0168486637299 3.3398e-05 deg
tp 2457211.695897973799
(2015-Jul-08.19589797)
0.00013834 JED
period 1465.893283302593
4.01
2.1791e-05
5.966e-08
d
yr
n .2455840436003199 3.6506e-09 deg/d
Q 2.959510797607182 2.9329e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      868  
   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      .54602  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 05:46:37  

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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