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 ]  
(2019 WO2)
Classification: Apollo [NEO]          SPK-ID: 3893488
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4819253428710069 6.9501e-07  
a 1.917132894495543 2.5598e-06 au
q .9932179669864927 2.1853e-08 au
i 7.416938160845435 9.2123e-06 deg
node 256.8123392000511 5.2622e-06 deg
peri 188.966073616102 1.7726e-05 deg
M 61.70788003540109 0.00012331 deg
tp 2458834.306175870207
(2019-Dec-16.80617587)
1.4752e-05 TDB
period 969.5646107499074
2.65
0.0019419
5.317e-06
d
yr
n .3713006807473706 7.4365e-07 deg/d
Q 2.841047822004593 3.7934e-06 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      27 days  
   first obs. used      2019-11-25  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .38724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-22 06:45:41  

Additional Information
 Earth MOID = .0120138 au 
 Jupiter MOID = 2.41652 au 
 T_jup = 3.769 
[ 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 25.0   .38041 E2019X83 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 17:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin