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 ]  
34867 (2001 TB121)
Classification: Main-belt Asteroid          SPK-ID: 2034867
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366366354583055 5.2212e-08  
a 2.678583254169191 1.3973e-08 au
q 2.312590650524553 1.4066e-07 au
i 10.56488847391187 4.6075e-06 deg
node 284.543069880923 2.4591e-05 deg
peri 223.688559102908 2.79e-05 deg
M 256.2822567390378 1.2477e-05 deg
tp 2459061.824700891008
(2020-Jul-31.32470089)
5.6385e-05 TDB
period 1601.238969333337
4.38
1.2529e-05
3.43e-08
d
yr
n .2248259047491725 1.7592e-09 deg/d
Q 3.044575857813828 1.5882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      9448 days (25.87 yr)  
   first obs. used      1993-12-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:35:48  

Additional Information
 Earth MOID = 1.33813 au 
 Jupiter MOID = 2.05688 au 
 T_jup = 3.340 
[ 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 14.2   n/a MPO358951  
diameter diameter 10.820 km 1.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.029   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

34867 (2001 TB121)          Discovered 2001-Oct-15 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19
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