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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3634788451055185 6.8651e-08  
a 3.189207606206349 4.7316e-08 au
q 2.02999810870073 2.0706e-07 au
i 21.28795984988593 1.0819e-05 deg
node 304.3021129822889 2.0572e-05 deg
peri 268.1894716005885 2.6373e-05 deg
M 6.28057370597561 1.1251e-05 deg
tp 2458964.207287399816
(2020-Apr-24.70728740)
6.5056e-05 TDB
period 2080.283927507352
5.70
4.6295e-05
1.267e-07
d
yr
n .1730533006767787 3.8512e-09 deg/d
Q 4.348417103711968 6.4514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      4579 days (12.54 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:57:17  

Additional Information
 Earth MOID = 1.15225 au 
 Jupiter MOID = 1.71249 au 
 T_jup = 2.991 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457440.5 (2016-Feb-22.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3635192624399352 6.8785e-08  
q 2.031067201605028 2.0769e-07 au
tp 2456881.042022003362
(2014-Aug-11.54202200)
8.1568e-05 TDB
node 304.3629668863418 2.0573e-05 deg
peri 267.9854225326283 2.6355e-05 deg
i 21.28352653557977 1.0819e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      4579 days (12.54 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:57:17  

Additional Information
 Jupiter MOID = 1.71249 au 
 T_jup = 2.991 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.731367173168695E-15 -1.416609451561924E-14 -3.087540563506168E-12 2.958578332435597E-14 -5.077466779325425E-13 -2.89464973001609E-14
q -1.416609451561924E-14 4.313311929245198E-14 8.377625151989689E-12 -7.716113659817822E-14 1.351628793661115E-12 9.250535434036323E-14
tp -3.087540563506168E-12 8.377625151989689E-12 6.653304277946546E-9 -4.065931006857169E-11 1.389950374372297E-9 4.039436619028804E-11
node 2.958578332435597E-14 -7.716113659817822E-14 -4.065931006857169E-11 4.232536828717947E-10 -4.011659044255847E-10 9.237003765256657E-11
peri -5.077466779325425E-13 1.351628793661115E-12 1.389950374372297E-9 -4.011659044255847E-10 6.945844747404366E-10 -7.750927792395762E-11
i -2.89464973001609E-14 9.250535434036323E-14 4.039436619028804E-11 9.237003765256657E-11 -7.750927792395762E-11 1.170536904766972E-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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