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 ]  
385210 (1999 TD146)
Classification: Main-belt Asteroid          SPK-ID: 2385210
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214869636153157 1.0474e-07  
a 2.234190709192265 1.0301e-08 au
q 1.754130964411359 2.3608e-07 au
i 2.835444844227111 8.7141e-06 deg
node 342.0646421534051 0.00012297 deg
peri 21.60843152474115 0.00012416 deg
M 131.4306621619915 1.3018e-05 deg
tp 2458755.179196245534
(2019-Sep-28.67919625)
4.4842e-05 TDB
period 1219.77236296668
3.34
8.4362e-06
2.31e-08
d
yr
n .2951370361633894 2.0412e-09 deg/d
Q 2.71425045397317 1.2515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7409 days (20.28 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:32  

Additional Information
 Earth MOID = .750543 au 
 Jupiter MOID = 2.74683 au 
 T_jup = 3.607 
[ 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 18.17   n/a MPCxxxxx  

385210 (1999 TD146)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

Alternate Designations
 1999 TD146 = 2009 RU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-14 21:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin