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 ]  
(2020 WK1)
Classification: Apollo [NEO]          SPK-ID: 54090621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ 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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0977150885153826 3.4029e-05  
a 1.106714454498106 4.4682e-05 au
q .9985717536155699 2.6566e-06 au
i 9.426011811080274 0.0026615 deg
node 58.50449530999278 0.00010049 deg
peri 356.186229595453 0.0013105 deg
M 216.1441875802208 0.0096823 deg
tp 2459170.432604366581
(2020-Nov-16.93260437)
0.0013373 TDB
period 425.2573221960253
1.16
0.025754
7.051e-05
d
yr
n .8465462702463604 5.1267e-05 deg/d
Q 1.214857155380641 4.9048e-05 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      4 days  
   first obs. used      2020-11-18  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .41013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-22 05:20:02  

Additional Information
 Earth MOID = .0112515 au 
 Jupiter MOID = 3.92905 au 
 T_jup = 5.607 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.435   .57279 5 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 23:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin