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.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458819.5 (2019-Dec-02.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4832694544143851 6.9367e-07  
q .9934325303564924 2.1367e-08 au
tp 2458834.101788964992
(2019-Dec-16.60178897)		 1.4621e-05 TDB
node 256.8563789130752 5.3114e-06 deg
peri 188.6630611675107 1.777e-05 deg
i 7.427630273148236 9.2046e-06 deg
   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
 Jupiter MOID = 2.41652 au 
 T_jup = 3.769 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.811751276424669E-13 -4.545903770790077E-15 -1.933792986762753E-13 -1.118963382199401E-12 2.592936414753788E-12 5.083042382677649E-12
q -4.545903770790077E-15 4.565547328851267E-16 -2.874884653472324E-13 -2.098769104052079E-14 -3.385592896614688E-13 -6.140698089527198E-14
tp -1.933792986762753E-13 -2.874884653472324E-13 2.137875104024928E-10 1.379078470991706E-11 2.419712355873646E-10 9.284201494066955E-12
node -1.118963382199401E-12 -2.098769104052079E-14 1.379078470991706E-11 2.821098046133744E-11 -1.578390257908947E-11 -2.06075373399422E-11
peri 2.592936414753788E-12 -3.385592896614688E-13 2.419712355873646E-10 -1.578390257908947E-11 3.157724459288777E-10 4.96511811549583E-11
i 5.083042382677649E-12 -6.140698089527198E-14 9.284201494066955E-12 -2.06075373399422E-11 4.96511811549583E-11 8.472433716234229E-11

[ 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 2021-Jan-16 03:22 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin