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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2018 WB1)
Classification: Centaur          SPK-ID: 3836292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6935847400417181 3.1628e-06  
a 7.246988388228354 8.1638e-05 au
q 2.220587830893642 3.2362e-06 au
i 152.304227511283 3.0018e-05 deg
node 147.7644270922748 2.1329e-05 deg
peri 111.5344596406082 0.00017253 deg
M 47.85602698823794 0.00082077 deg
tp 2458449.240619067072
(2018-Nov-26.74061907)
0.00038955 TDB
period 7125.818806890682
19.51
0.12041
0.0003297
d
yr
n .05052050995906313 8.5368e-07 deg/d
Q 12.27338894556307 0.00013826 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      266 days  
   first obs. used      2018-11-19  
   last obs. used      2019-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .4983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:18  

Additional Information
 Earth MOID = 1.37635 au 
 Jupiter MOID = .247284 au 
 T_jup = -0.787 
[ 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 17.4   .30818 MPO477909 autocmod 2.6q

[ 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 2021-Sep-23 10:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin