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 ]  
(2019 WH2)
Classification: Apollo [NEO]          SPK-ID: 3893457
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4662436694211756 0.00015049  
a 1.690839749786439 0.00044802 au
q .9024964204428275 1.5325e-05 au
i 6.670184926428084 0.0016842 deg
node 69.05452709250277 0.00011056 deg
peri 44.1581299348609 0.00018489 deg
M 243.7944848627159 0.095567 deg
tp 2459655.724675768420
(2022-Mar-17.22467577)
0.31621 TDB
period 803.0675925009463
2.20
0.31918
0.0008739
d
yr
n .4482810704375121 0.00017817 deg/d
Q 2.479183079130051 0.0006569 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      7 days  
   first obs. used      2019-11-25  
   last obs. used      2019-12-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .41008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:10  

Additional Information
 Earth MOID = .00262089 au 
 Jupiter MOID = 2.66905 au 
 T_jup = 4.079 
[ 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 26.8   .34747 E2019-YB0 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-Sep-21 18:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin