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 ]  
213839 (2003 SM3)
Classification: Main-belt Asteroid          SPK-ID: 2213839
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 .1619453143611005 3.2561e-08  
a 2.2780164081818 8.5386e-09 au
q 1.909102324839054 7.3078e-08 au
i 2.958968717489023 4.4891e-06 deg
node 202.1743775857615 7.6848e-05 deg
peri 80.78785282326623 7.9315e-05 deg
M 69.11950163924092 1.6978e-05 deg
tp 2458959.380798845109
(2020-Apr-19.88079885)
5.9419e-05 TDB
period 1255.838227376349
3.44
7.0608e-06
1.933e-08
d
yr
n .286661125734402 1.6117e-09 deg/d
Q 2.646930491524547 9.9214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      7823 days (21.42 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:20  

Additional Information
 Earth MOID = .893554 au 
 Jupiter MOID = 2.48936 au 
 T_jup = 3.588 
[ 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 16.97   n/a E2021B55  

213839 (2003 SM3)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 SM3 = 2002 EC134 
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-16 13:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin