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 ]  
100669 (1997 WK50)
Classification: Main-belt Asteroid          SPK-ID: 2100669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3022822727025397 4.6341e-08  
a 2.584416911908101 1.357e-08 au
q 1.80319349416564 1.1848e-07 au
i 3.063296992697536 5.0847e-06 deg
node 229.4680300347619 9.1633e-05 deg
peri 146.8712584938924 9.2333e-05 deg
M 215.1542210067095 1.7363e-05 deg
tp 2459811.084297602788
(2022-Aug-19.58429760)
7.7578e-05 TDB
period 1517.547481636905
4.15
1.1952e-05
3.272e-08
d
yr
n .2372248673311265 1.8683e-09 deg/d
Q 3.365640329650561 1.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      25066 days (68.63 yr)  
   first obs. used      1951-09-09  
   last obs. used      2020-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:14  

Additional Information
 Earth MOID = .804399 au 
 Jupiter MOID = 2.10905 au 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.84   n/a E2021B55  

100669 (1997 WK50)          Discovered 1997-Nov-28 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 WK50 = 2001 RF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 10:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin