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441311 (2008 AM72)
Classification: Main-belt Asteroid          SPK-ID: 2441311
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3634788474786457 6.8707e-08  
a 3.189207603442207 4.7398e-08 au
q 2.0299980993729 2.0733e-07 au
i 21.28795811829263 1.0887e-05 deg
node 304.302110961633 2.0624e-05 deg
peri 268.1894726927678 2.6417e-05 deg
M 6.280574943075455 1.1318e-05 deg
tp 2458964.207280298335
(2020-Apr-24.70728030)
6.5434e-05 TDB
period 2080.283924802824
5.70
4.6376e-05
1.27e-07
d
yr
n .1730533009017613 3.8579e-09 deg/d
Q 4.348417107511513 6.4627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4565 days (12.50 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:18:05  

Additional Information
 Earth MOID = 1.15225 au 
 Jupiter MOID = 1.71249 au 
 T_jup = 2.991 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457433.5 (2016-Feb-15.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3635171625369203 6.8841e-08  
q 2.031065524188271 2.0796e-07 au
tp 2456881.038274020967
(2014-Aug-11.53827402)
8.1678e-05 TDB
node 304.3632051450019 2.0626e-05 deg
peri 267.9845084038714 2.6398e-05 deg
i 21.28362534146371 1.0887e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4565 days (12.50 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:18:05  

Additional Information
 Jupiter MOID = 1.71249 au 
 T_jup = 2.991 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.739065810044724E-15 -1.419551158169165E-14 -3.09928725747836E-12 2.998860880321713E-14 -5.101257581648595E-13 -2.882214358148449E-14
q -1.419551158169165E-14 4.32457440263357E-14 8.422813779320826E-12 -7.846279985108154E-14 1.360568845808089E-12 9.223251246803163E-14
tp -3.09928725747836E-12 8.422813779320826E-12 6.671321222293507E-9 -4.057052533585222E-11 1.392961359110566E-9 4.078655454838128E-11
node 2.998860880321713E-14 -7.846279985108154E-14 -4.057052533585222E-11 4.254205582303784E-10 -4.031201094455682E-10 9.414930904172857E-11
peri -5.101257581648595E-13 1.360568845808089E-12 1.392961359110566E-9 -4.031201094455682E-10 6.968800925442959E-10 -7.905997339878753E-11
i -2.882214358148449E-14 9.223251246803163E-14 4.078655454838128E-11 9.414930904172857E-11 -7.905997339878753E-11 1.185175208835303E-10

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 15.3   n/a MPO472456  

441311 (2008 AM72)          Discovered 2007-Dec-16 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

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