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 ]  
183173 (2002 SM39)
Classification: Main-belt Asteroid          SPK-ID: 2183173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033162671589023 7.6682e-08  
a 2.369935717260422 1.3203e-08 au
q 1.888089233820477 1.8129e-07 au
i 2.551063920985527 9.6579e-06 deg
node 28.38465546581494 0.00011925 deg
peri 312.8825906571001 0.00012065 deg
M 209.8746714367851 2.0431e-05 deg
tp 2459156.218361292911
(2020-Nov-02.71836129)
7.8463e-05 TDB
period 1332.610639258032
3.65
1.1136e-05
3.049e-08
d
yr
n .2701464249155628 2.2574e-09 deg/d
Q 2.851782200700367 1.5887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6075 days (16.63 yr)  
   first obs. used      2002-09-06  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:57:34  

Additional Information
 Earth MOID = .880081 au 
 Jupiter MOID = 2.54464 au 
 T_jup = 3.516 
[ 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 16.8   n/a MPO433197  

183173 (2002 SM39)          Discovered 2002-Sep-30 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin