Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
17549 (1993 TW12)
Classification: Main-belt Asteroid          SPK-ID: 2017549
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155490524847485 6.486e-08  
a 2.314825862478632 1.5814e-08 AU
q 2.047349927402036 1.5156e-07 AU
i 6.80345027976528 7.7008e-06 deg
node 48.07211289902296 5.4843e-05 deg
peri 17.75905418994527 6.325e-05 deg
M 325.9641170882747 3.384e-05 deg
tp 2457122.121522536952
(2015-Apr-09.62152254)
0.00012116 JED
period 1286.39965729284
3.52
1.3183e-05
3.609e-08
d
yr
n .2798508208231343 2.8678e-09 deg/d
Q 2.582301797555229 1.7642e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      12710 days (34.80 yr)  
   first obs. used      1979-11-17  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51027  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:08:26  

Additional Information
 Earth MOID = 1.06134 AU 
 T_jup = 3.564 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO263503  

17549 (1993 TW12)          Discovered 1993-Oct-13 by Holt, H. E. at Palomar (675)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TW12 = 1979 WY5 = 1999 KV11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-16 04:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin