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 ]  
160541 (1997 WM58)
Classification: Mars-crossing Asteroid          SPK-ID: 2160541
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 .2702101545471045 3.848e-08  
a 2.268282300183483 1.1572e-08 au
q 1.655369389294442 8.9634e-08 au
i 7.894473892688577 4.2619e-06 deg
node 114.0334169763665 3.4679e-05 deg
peri 303.5205065352936 3.5685e-05 deg
M 209.9021887444216 1.1374e-05 deg
tp 2459520.754614945765
(2021-Nov-02.25461495)
4.2203e-05 TDB
period 1247.797418321881
3.42
9.5485e-06
2.614e-08
d
yr
n .2885083706008557 2.2077e-09 deg/d
Q 2.881195211072524 1.4698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1997-11-26  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:59:05  

Additional Information
 Earth MOID = .6835 au 
 Jupiter MOID = 2.49664 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456808.5 (2014-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2700009157066049 3.8401e-08  
q 1.655696476289994 8.9358e-08 au
tp 2457026.524628475103
(2015-Jan-04.02462848)
3.1624e-05 TDB
node 114.083538465252 3.4671e-05 deg
peri 303.5928018832647 3.5679e-05 deg
i 7.895186293419272 4.2626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1997-11-26  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:59:05  

Additional Information
 Jupiter MOID = 2.49664 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.474601578475737E-15 -3.416520667732947E-15 -3.186607905508648E-13 -6.885901476293124E-16 -1.211910973497566E-13 -1.856177197318436E-16
q -3.416520667732947E-15 7.984824701651034E-15 8.119343164809485E-13 3.345308341120131E-15 2.926477637623002E-13 7.994677272611289E-16
tp -3.186607905508648E-13 8.119343164809485E-13 1.000063050797593E-9 1.155870442045402E-11 2.854834618821616E-10 2.047279732360327E-12
node -6.885901476293124E-16 3.345308341120131E-15 1.155870442045402E-11 1.2020812739021E-9 -1.187200779973141E-9 1.859130910361607E-11
peri -1.211910973497566E-13 2.926477637623002E-13 2.854834618821616E-10 -1.187200779973141E-9 1.272981563361929E-9 -1.790005758398154E-11
i -1.856177197318436E-16 7.994677272611289E-16 2.047279732360327E-12 1.859130910361607E-11 -1.790005758398154E-11 1.816934318129791E-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 15.8   n/a MPO417854  

160541 (1997 WM58)          Discovered 1997-Nov-26 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-28 10:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin