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441504 (2008 SS125)
Classification: Main-belt Asteroid          SPK-ID: 2441504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585174442669402 6.5763e-08  
a 2.355982445246962 1.5198e-08 au
q 1.982518129288638 1.5846e-07 au
i .7176795910811238 6.7994e-06 deg
node 278.0560269940135 0.00046667 deg
peri 158.8671471382475 0.00046894 deg
M 41.17088449252319 3.4646e-05 deg
tp 2458849.441837153074
(2019-Dec-31.94183715)
0.00012762 TDB
period 1320.859128852799
3.62
1.2781e-05
3.499e-08
d
yr
n .2725498822214822 2.6372e-09 deg/d
Q 2.729446761205287 1.7607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5226 days (14.31 yr)  
   first obs. used      2005-10-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:39  

Additional Information
 Earth MOID = .997871 au 
 Jupiter MOID = 2.51041 au 
 T_jup = 3.537 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457713.5 (2016-Nov-21.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571016809173374 6.5543e-08  
q 1.986028451340886 1.576e-07 au
tp 2457527.607467809393
(2016-May-19.10746781)
0.00013548 TDB
node 278.2915285423239 0.00046852 deg
peri 158.4781261840332 0.00047086 deg
i .7159410266206092 6.7875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5226 days (14.31 yr)  
   first obs. used      2005-10-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:39  

Additional Information
 Jupiter MOID = 2.51041 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.295917690656867E-15 -1.029738778725122E-14 9.730864380144478E-13 -3.480525211693735E-14 4.316523814523047E-13 -1.57770800058052E-15
q -1.029738778725122E-14 2.483716663175361E-14 -3.026851963867137E-12 8.159433978467915E-14 -1.26532013446066E-12 3.725533760078785E-15
tp 9.730864380144478E-13 -3.026851963867137E-12 1.835432267318689E-8 5.283764215856529E-11 6.368339513345321E-9 2.684940430803278E-12
node -3.480525211693735E-14 8.159433978467915E-14 5.283764215856529E-11 2.195138653365485E-7 -2.19478039580155E-7 -1.000753688600328E-9
peri 4.316523814523047E-13 -1.26532013446066E-12 6.368339513345321E-9 -2.19478039580155E-7 2.217083571461301E-7 1.001586540061166E-9
i -1.57770800058052E-15 3.725533760078785E-15 2.684940430803278E-12 -1.000753688600328E-9 1.001586540061166E-9 4.607073680513732E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO349180  

441504 (2008 SS125)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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