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214980 (2008 AL72)
Classification: Main-belt Asteroid          SPK-ID: 2214980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06379591414208843 5.1129e-08  
a 3.106278076381554 3.5425e-08 au
q 2.908110226919264 1.5288e-07 au
i 13.428652812189 5.338e-06 deg
node 105.6666526052 2.7576e-05 deg
peri 349.2090177303789 5.5944e-05 deg
M 113.6385598990333 4.8586e-05 deg
tp 2458369.277974064876
(2018-Sep-07.77797406)
0.00026876 TDB
period 1999.672730264666
5.47
3.4207e-05
9.365e-08
d
yr
n .1800294590967155 3.0797e-09 deg/d
Q 3.304445925843843 3.7685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2001-12-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:44:46  

Additional Information
 Earth MOID = 1.92594 au 
 Jupiter MOID = 1.84759 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457648.5 (2016-Sep-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06462478125468817 5.0955e-08  
q 2.907015473997824 1.5259e-07 au
tp 2458372.172924540787
(2018-Sep-10.67292454)
0.00026613 TDB
node 105.6829379135656 2.7578e-05 deg
peri 349.8033450662187 5.5515e-05 deg
i 13.42694900740538 5.3372e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2001-12-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:44:46  

Additional Information
 Jupiter MOID = 1.84759 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.596429984720619E-15 -7.603696003688677E-15 -3.514078825131923E-12 7.590308379461418E-16 -7.125590364086689E-13 3.05666077121807E-15
q -7.603696003688677E-15 2.32833291078865E-14 1.163668712338155E-11 -1.446007261111699E-15 2.253618226758614E-12 -7.543127039698843E-15
tp -3.514078825131923E-12 1.163668712338155E-11 7.082480180715562E-8 -5.299739621290723E-11 1.287133452296288E-8 -5.402088960922183E-12
node 7.590308379461418E-16 -1.446007261111699E-15 -5.299739621290723E-11 7.605224654692809E-10 -7.491166433751601E-10 -4.139607796275984E-11
peri -7.125590364086689E-13 2.253618226758614E-12 1.287133452296288E-8 -7.491166433751601E-10 3.081891010755729E-9 3.898655936075398E-11
i 3.05666077121807E-15 -7.543127039698843E-15 -5.402088960922183E-12 -4.139607796275984E-11 3.898655936075398E-11 2.848581701561739E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO475763  

214980 (2008 AL72)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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