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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 ]

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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 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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