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 ]  
213848 (2003 ST54)
Classification: Main-belt Asteroid          SPK-ID: 2213848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055083662034581 4.2631e-08  
a 2.433287818266983 1.5583e-08 au
q 2.176555596058857 9.9082e-08 au
i 5.587197745640004 5.2602e-06 deg
node 300.2848146939975 4.1103e-05 deg
peri 127.9939879650545 4.8639e-05 deg
M 135.313680587495 2.6159e-05 deg
tp 2458679.391861154668
(2019-Jul-14.89186115)
9.8858e-05 TDB
period 1386.400319389853
3.80
1.3318e-05
3.646e-08
d
yr
n .259665260433894 2.4943e-09 deg/d
Q 2.69002004047511 1.7227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7030 days (19.25 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:20  

Additional Information
 Earth MOID = 1.19558 au 
 Jupiter MOID = 2.54286 au 
 T_jup = 3.492 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040348245654442 4.2551e-08  
q 2.180591164050663 9.8721e-08 au
tp 2457292.141288604651
(2015-Sep-26.64128860)
9.6826e-05 TDB
node 300.3979518208827 4.1073e-05 deg
peri 127.9112431993746 4.8865e-05 deg
i 5.588655602405704 5.2615e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7030 days (19.25 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:20  

Additional Information
 Jupiter MOID = 2.54286 au 
 T_jup = 3.492 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.810601876520692E-15 -4.16509075168492E-15 1.540188298312851E-12 -2.35107750624311E-14 4.447766269106729E-13 -4.531586193024033E-16
q -4.16509075168492E-15 9.745741773706346E-15 -3.431363771644767E-12 5.299985668455591E-14 -9.929883652687618E-13 1.355146677622191E-15
tp 1.540188298312851E-12 -3.431363771644767E-12 9.375185500014958E-9 -5.87558347124969E-11 2.57639094979294E-9 -1.426710823198965E-12
node -2.35107750624311E-14 5.299985668455591E-14 -5.87558347124969E-11 1.68699465122791E-9 -1.694038408983502E-9 1.232609990617927E-11
peri 4.447766269106729E-13 -9.929883652687618E-13 2.57639094979294E-9 -1.694038408983502E-9 2.387827218961646E-9 -1.26282053790224E-11
i -4.531586193024033E-16 1.355146677622191E-15 -1.426710823198965E-12 1.232609990617927E-11 -1.26282053790224E-11 2.768330654721915E-11

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 16.44   n/a E2021B55  

213848 (2003 ST54)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 06:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin