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 ]  
115230 (2003 ST143)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115230
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114430661430196 3.5237e-08  
a 3.235672365970198 2.2441e-08 au
q 2.875079116472241 1.2074e-07 au
i 3.822585778628477 5.7802e-06 deg
node 309.3906448781769 6.0565e-05 deg
peri 91.80353738361818 6.7907e-05 deg
M 323.8238814259766 2.8682e-05 deg
tp 2459414.131212000751
(2021-Jul-18.63121200)
0.00016942 TDB
period 2125.9117714053
5.82
2.2116e-05
6.055e-08
d
yr
n .1693391065622764 1.7616e-09 deg/d
Q 3.596265615468156 2.4941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-10-27  
   last obs. used      2020-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:37  

Additional Information
 Earth MOID = 1.88571 au 
 Jupiter MOID = 1.81125 au 
 T_jup = 3.172 
[ show covariance matrix ]

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 15.04   n/a E2021B55  
diameter diameter 5.353 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115230 (2003 ST143)          Discovered 2003-Sep-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-May-13 19:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin