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 ]  
172605 (2003 WM73)
Classification: Main-belt Asteroid          SPK-ID: 2172605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387303718444095 4.2998e-08  
a 2.525109177788739 1.592e-08 au
q 2.174799842606376 1.0925e-07 au
i 2.650899218392017 5.0853e-06 deg
node 17.49424523212139 0.00013124 deg
peri 125.7718560399466 0.00013394 deg
M 344.2434471085111 2.6985e-05 deg
tp 2459064.647151845346
(2020-Aug-03.14715185)
0.00010995 TDB
period 1465.61083654271
4.01
1.386e-05
3.795e-08
d
yr
n .2456313715919425 2.3229e-09 deg/d
Q 2.875418512971102 1.8129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:53  

Additional Information
 Earth MOID = 1.18847 au 
 Jupiter MOID = 2.13476 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383579801680532 4.2999e-08  
q 2.175831146941156 1.0917e-07 au
tp 2457600.857210546161
(2016-Jul-31.35721055)
0.00010891 TDB
node 17.51277178597486 0.00013115 deg
peri 126.1232006825825 0.00013386 deg
i 2.652433236890624 5.0832e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:53  

Additional Information
 Jupiter MOID = 2.13476 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.848914901480364E-15 -4.657187907566164E-15 -1.782423881759348E-12 4.077519565983688E-14 -4.019993814503142E-13 -6.203025555611191E-16
q -4.657187907566164E-15 1.191895213538756E-14 4.524826778025464E-12 -1.0572908744519E-13 1.002717800698945E-12 1.676770516238716E-15
tp -1.782423881759348E-12 4.524826778025464E-12 1.186087073920889E-8 -7.200162855702518E-11 2.966454085604447E-9 7.918031005023718E-12
node 4.077519565983688E-14 -1.0572908744519E-13 -7.200162855702518E-11 1.719946584265854E-8 -1.719646097281129E-8 2.976636873013851E-10
peri -4.019993814503142E-13 1.002717800698945E-12 2.966454085604447E-9 -1.719646097281129E-8 1.791845311026256E-8 -2.95427816695624E-10
i -6.203025555611191E-16 1.676770516238716E-15 7.918031005023718E-12 2.976636873013851E-10 -2.95427816695624E-10 2.58389121719803E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO454183  

172605 (2003 WM73)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-01 13:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin