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 ]  
34823 (2001 SM155)
Classification: Main-belt Asteroid          SPK-ID: 2034823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073507326308745 3.5084e-08  
a 2.323299691698647 1.0279e-08 au
q 2.073891767673712 7.9769e-08 au
i 6.113052815616808 4.6207e-06 deg
node 17.16930987038146 3.5816e-05 deg
peri 90.03446467976086 4.2548e-05 deg
M 271.2084441200838 2.3972e-05 deg
tp 2458919.525534097330
(2020-Mar-11.02553410)
8.6995e-05 TDB
period 1293.469757758988
3.54
8.5838e-06
2.35e-08
d
yr
n .2783211573680091 1.847e-09 deg/d
Q 2.572707615723582 1.1382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      17303 days (47.37 yr)  
   first obs. used      1971-03-24  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6064  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:12:22  

Additional Information
 Earth MOID = 1.10149 au 
 Jupiter MOID = 2.53119 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO452658  
diameter diameter 4.392 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34823 (2001 SM155)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 SM155 = 1996 FV17 = 2207 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin