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 ]  
43905 (1995 WC1)
Classification: Main-belt Asteroid          SPK-ID: 2043905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177754378876389 4.3606e-08  
a 2.366997956850748 8.0544e-09 au
q 1.85152394031843 1.0647e-07 au
i 1.478484829265922 4.0089e-06 deg
node 234.9373339154518 0.00015757 deg
peri 145.8483593949991 0.00015782 deg
M 36.13359634095347 1.0852e-05 deg
tp 2459262.993030063995
(2021-Feb-17.49303006)
3.9637e-05 TDB
period 1330.133561117146
3.64
6.7892e-06
1.859e-08
d
yr
n .2706495125930399 1.3814e-09 deg/d
Q 2.882471973383067 9.8084e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:50  

Additional Information
 Earth MOID = .853743 au 
 Jupiter MOID = 2.58187 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456971.5 (2014-Nov-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181684874709009 4.3487e-08  
q 1.851346737576625 1.0632e-07 au
tp 2456603.799090090381
(2013-Nov-07.29909009)
3.2216e-05 TDB
node 235.0774947575691 0.00015755 deg
peri 146.0022667997845 0.00015779 deg
i 1.478193286681809 4.0094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:50  

Additional Information
 Jupiter MOID = 2.58187 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.891155415152593E-15 -4.617275058492957E-15 -3.971632345456973E-13 -2.583241210570133E-16 -8.503443479061825E-14 -1.050616436514146E-15
q -4.617275058492957E-15 1.13031770193089E-14 1.015836004396975E-12 8.263735963997867E-16 2.200558352574101E-13 2.584250178800205E-15
tp -3.971632345456973E-13 1.015836004396975E-12 1.037886835405748E-9 -2.289553643043801E-12 2.988801860659081E-10 5.703207638454174E-13
node -2.583241210570133E-16 8.263735963997867E-16 -2.289553643043801E-12 2.482152319199532E-8 -2.481357251725527E-8 -1.146731774612137E-10
peri -8.503443479061825E-14 2.200558352574101E-13 2.988801860659081E-10 -2.481357251725527E-8 2.489905460625199E-8 1.147897920729154E-10
i -1.050616436514146E-15 2.584250178800205E-15 5.703207638454174E-13 -1.146731774612137E-10 1.147897920729154E-10 1.607538462908453E-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 15.43   n/a E2021B10  

43905 (1995 WC1)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WC1 = 2000 AW90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 13:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin