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 ]  
294497 (2007 WC55)
Classification: Outer Main-belt Asteroid          SPK-ID: 2294497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .286869945102543 5.2846e-08  
a 3.964510598135051 6.4158e-08 au
q 2.827211660489599 2.2073e-07 au
i 4.085059157042058 6.3712e-06 deg
node 46.52438847383963 0.00013391 deg
peri 351.0778558343123 0.00013544 deg
M 228.0937854432715 2.0972e-05 deg
tp 2460056.941754959408
(2023-Apr-22.44175496)
0.00018863 TDB
period 2883.253325580232
7.89
6.999e-05
1.916e-07
d
yr
n .1248589559599495 3.0309e-09 deg/d
Q 5.101809535780503 8.2563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      10102 days (27.66 yr)  
   first obs. used      1991-09-09  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:03:13  

Additional Information
 Earth MOID = 1.83488 au 
 Jupiter MOID = .337681 au 
 T_jup = 2.981 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO440398  

294497 (2007 WC55)          Discovered 2007-Nov-28 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2007 WC55 = 1999 VK100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-25 12:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin