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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06379592660470761 5.4097e-08  
a 3.106278067983685 3.7383e-08 au
q 2.908110180344785 1.6654e-07 au
i 13.42865266254872 6.0022e-06 deg
node 105.6666524636398 2.7604e-05 deg
peri 349.2090230872458 5.6446e-05 deg
M 113.6385569415008 4.8787e-05 deg
tp 2458369.277993052700
(2018-Sep-07.77799305)
0.00027022 TDB
period 1999.672722155449
5.47
3.6098e-05
9.883e-08
d
yr
n .1800294598267839 3.2499e-09 deg/d
Q 3.304445955622585 3.9768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2001-12-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:13:40  

Additional Information
 Earth MOID = 1.92594 au 
 Jupiter MOID = 1.84759 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457414.5 (2016-Jan-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06484525608995072 5.3957e-08  
q 2.90570047128278 1.6637e-07 au
tp 2458372.226865283131
(2018-Sep-10.72686528)
0.00026649 TDB
node 105.685019067516 2.7601e-05 deg
peri 349.8644376519913 5.5843e-05 deg
i 13.42866356992323 6.0023e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2001-12-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:13:40  

Additional Information
 Jupiter MOID = 1.84759 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.911382810561486E-15 -8.77998506064823E-15 -3.049078693605479E-12 2.967415509571231E-16 -5.834132717695933E-13 1.722478827515781E-15
q -8.77998506064823E-15 2.76781330000362E-14 9.903003496004423E-12 -2.498910109567001E-16 1.772008741046768E-12 -3.560400927789289E-15
tp -3.049078693605479E-12 9.903003496004423E-12 7.10180872744103E-8 -4.66605148217931E-11 1.296905460522737E-8 1.245778343215072E-11
node 2.967415509571231E-16 -2.498910109567001E-16 -4.66605148217931E-11 7.618248657732253E-10 -7.49189439093447E-10 -3.838379990347295E-11
peri -5.834132717695933E-13 1.772008741046768E-12 1.296905460522737E-8 -7.49189439093447E-10 3.118450005362524E-9 3.93497374427685E-11
i 1.722478827515781E-15 -3.560400927789289E-15 1.245778343215072E-11 -3.838379990347295E-11 3.93497374427685E-11 3.60272080329036E-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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