Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2459560358251157 1.703e-07  
a 2.586910001020846 4.1022e-08 au
q 1.950643872133412 4.6798e-07 au
i 11.7502107957489 8.1368e-06 deg
node 307.3417406896966 5.6846e-05 deg
peri 111.8932450324453 6.6521e-05 deg
M 290.1286751820593 3.2217e-05 deg
tp 2458895.462553104139
(2020-Feb-15.96255310)
0.00014076 TDB
period 1519.743891992513
4.16
3.6149e-05
9.897e-08
d
yr
n .236882018014239 5.6346e-09 deg/d
Q 3.223176129908279 5.1112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:47  

Additional Information
 Earth MOID = .997974 au 
 Jupiter MOID = 2.22244 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457354.5 (2015-Nov-28.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2441140009179896 1.6994e-07  
q 1.956553287667979 4.6671e-07 au
tp 2457372.110619715760
(2015-Dec-15.61061972)
0.00012174 TDB
node 307.6067289781152 5.6791e-05 deg
peri 111.2109888016744 6.6818e-05 deg
i 11.74713061776249 8.1534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:47  

Additional Information
 Jupiter MOID = 2.22244 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.888005769462474E-14 -7.927345435043459E-14 -1.364440844685033E-11 -4.019241034293518E-13 -3.395907495662251E-12 -3.52175564517368E-13
q -7.927345435043459E-14 2.178172755079747E-13 3.725793804799119E-11 1.105822701515511E-12 9.258386242452608E-12 9.692149553101422E-13
tp -1.364440844685033E-11 3.725793804799119E-11 1.481956283404308E-8 1.497907810511934E-10 4.406249130863025E-9 2.0404828637246E-10
node -4.019241034293518E-13 1.105822701515511E-12 1.497907810511934E-10 3.225244103165841E-9 -3.120766541439794E-9 1.740633100379258E-10
peri -3.395907495662251E-12 9.258386242452608E-12 4.406249130863025E-9 -3.120766541439794E-9 4.46465453819862E-9 -1.126537694071735E-10
i -3.52175564517368E-13 9.692149553101422E-13 2.0404828637246E-10 1.740633100379258E-10 -1.126537694071735E-10 6.647847809678349E-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 17.1   n/a MPO361043  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 01:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin