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
JPL Small-Body Database Browser
Search: [ help ]  
393056 (2013 AT55)
Classification: Main-belt Asteroid          SPK-ID: 2393056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062144439774372 1.043e-07  
a 2.565977311719588 2.4184e-08 au
q 2.036835727124614 2.7662e-07 au
i 8.509908299882929 5.9221e-06 deg
node 81.2635663295394 5.46e-05 deg
peri 243.8640041210423 5.6712e-05 deg
M 110.9888809127933 1.2203e-05 deg
tp 2458737.634707730838
(2019-Sep-11.13470773)
5.0254e-05 TDB
period 1501.335123360915
4.11
2.1225e-05
5.811e-08
d
yr
n .2397865702322994 3.3899e-09 deg/d
Q 3.095118896314562 2.9171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2002-05-07  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:32:47  

Additional Information
 Earth MOID = 1.03956 au 
 Jupiter MOID = 2.27168 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457939.5 (2017-Jul-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073832364828154 1.0403e-07  
q 2.032531266729326 2.761e-07 au
tp 2457237.672456060005
(2015-Aug-03.17245606)
5.3598e-05 TDB
node 81.28362100630343 5.4648e-05 deg
peri 243.9510114433762 5.674e-05 deg
i 8.509188831511876 5.9168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2002-05-07  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:32:47  

Additional Information
 Jupiter MOID = 2.27168 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.082319168142895E-14 -2.86677378661638E-14 9.376037430206205E-13 6.568359077321882E-14 1.611142782441788E-13 -5.45132470389821E-14
q -2.86677378661638E-14 7.622960676553921E-14 -2.790444983835828E-12 -1.705422809072084E-13 -4.823666424231087E-13 1.460316256359481E-13
tp 9.376037430206205E-13 -2.790444983835828E-12 2.872767891303907E-9 -5.866923532595571E-14 8.830879285654594E-10 -6.556568754506388E-12
node 6.568359077321882E-14 -1.705422809072084E-13 -5.866923532595571E-14 2.986376003738392E-9 -2.955069376898076E-9 1.871884619233949E-10
peri 1.611142782441788E-13 -4.823666424231087E-13 8.830879285654594E-10 -2.955069376898076E-9 3.219372909428067E-9 -1.867748635432925E-10
i -5.45132470389821E-14 1.460316256359481E-13 -6.556568754506388E-12 1.871884619233949E-10 -1.867748635432925E-10 3.500864530322471E-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 17.05   n/a MPCxxxxx  

393056 (2013 AT55)          Discovered 2006-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 14:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin