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447940 (2008 AK83)
Classification: Main-belt Asteroid          SPK-ID: 2447940
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2461717851624123 1.6261e-07  
a 2.587447555163938 3.8912e-08 au
q 1.950490971495112 4.4645e-07 au
i 11.7504908915935 7.72e-06 deg
node 307.3391619186509 5.5772e-05 deg
peri 111.8869935214141 6.5334e-05 deg
M 24.88321712935671 3.1797e-05 deg
tp 2458895.422486068530
(2020-Feb-15.92248607)
0.0001327 TDB
period 1520.21761569972
4.16
3.4293e-05
9.389e-08
d
yr
n .2368082018535884 5.3419e-09 deg/d
Q 3.224404138832765 4.8491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:32  

Additional Information
 Earth MOID = .998097 au 
 Jupiter MOID = 2.2216 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457538.5 (2016-May-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440750231964805 1.6235e-07  
q 1.956615577314276 4.4493e-07 au
tp 2457372.149296826470
(2015-Dec-15.64929683)
0.00011656 TDB
node 307.6061161407317 5.5732e-05 deg
peri 111.2275819831286 6.5663e-05 deg
i 11.74703290857857 7.7347e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:32  

Additional Information
 Jupiter MOID = 2.2216 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.635881386284747E-14 -7.219756765231508E-14 -1.187834311579463E-11 -2.519253562553083E-13 -3.072894488123148E-12 -2.920208908594445E-13
q -7.219756765231508E-14 1.979632898651083E-13 3.231067340249846E-11 6.933151150930428E-13 8.346358445179104E-12 8.021047393940252E-13
tp -1.187834311579463E-11 3.231067340249846E-11 1.35869856437348E-8 6.170265892499949E-11 4.16520155206348E-9 1.65580437877199E-10
node -2.519253562553083E-13 6.933151150930428E-13 6.170265892499949E-11 3.106030815154954E-9 -3.02866372294878E-9 1.46490713471109E-10
peri -3.072894488123148E-12 8.346358445179104E-12 4.16520155206348E-9 -3.02866372294878E-9 4.311657894364194E-9 -9.614891047644439E-11
i -2.920208908594445E-13 8.021047393940252E-13 1.65580437877199E-10 1.46490713471109E-10 -9.614891047644439E-11 5.982519678451622E-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 17.0   n/a MPO495225  

447940 (2008 AK83)          Discovered 2008-Jan-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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