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 ]  
134593 (1999 TR121)
Classification: Main-belt Asteroid          SPK-ID: 2134593
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228631104780495 4.4314e-08  
a 2.366187705353771 1.4036e-08 au
q 2.075470523899088 1.0883e-07 au
i 19.16528870479853 7.0601e-06 deg
node 20.76733778146271 1.4571e-05 deg
peri 260.0639618555662 3.2909e-05 deg
M 322.2313044028665 2.816e-05 deg
tp 2459139.976712468262
(2020-Oct-17.47671247)		 0.00010392 TDB
period 1329.450638808533
3.64		 1.1829e-05
3.239e-08		 d
yr
n .2707885418917363 2.4095e-09 deg/d
Q 2.656904886808453 1.5761e-08 au
   Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:28:31  

Additional Information
 Earth MOID = 1.15256 au 
 Jupiter MOID = 2.53895 au 
 T_jup = 3.463 
[ 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 16.0   n/a MPO379410  

134593 (1999 TR121)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 TR121 = 1998 HF33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 08:56 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin