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 ]  
66744 (1999 TM128)
Classification: Main-belt Asteroid          SPK-ID: 2066744
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874453773546654 6.1305e-08  
a 2.568513805424769 1.5839e-08 au
q 2.087057765926255 1.6209e-07 au
i 12.9077244648822 7.5799e-06 deg
node 329.4281429952942 1.9864e-05 deg
peri 26.13581227925513 2.6992e-05 deg
M 25.92602512480682 2.0831e-05 deg
tp 2458892.218386092834
(2020-Feb-12.71838609)
8.6316e-05 TDB
period 1503.561800118803
4.12
1.3908e-05
3.808e-08
d
yr
n .2394314619934843 2.2147e-09 deg/d
Q 3.049969844923282 1.8808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:49  

Additional Information
 Earth MOID = 1.08846 au 
 Jupiter MOID = 2.40186 au 
 T_jup = 3.371 
[ 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 15.0   n/a MPO302422  

66744 (1999 TM128)          Discovered 1999-Oct-05 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TM128 = 2001 DW41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 00:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin