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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
(2019 GL4)
Classification: Apollo [NEO]          SPK-ID: 3840865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2987722656203788 8.7056e-07  
a 1.445352905527683 1.8323e-06 au
q 1.01352154332218 1.301e-07 au
i 22.92020109421369 1.4095e-05 deg
node 22.93887907175442 4.1135e-06 deg
peri 152.5654907654632 8.0607e-05 deg
M 248.8497549072083 0.00050291 deg
tp 2459196.459896107644
(2020-Dec-12.95989611)
0.0012587 TDB
period 634.6865230918582
1.74
0.0012069
3.304e-06
d
yr
n .5672091448330582 1.0786e-06 deg/d
Q 1.877184267733187 2.3798e-06 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      21 days  
   first obs. used      2019-04-07  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .30977  
   source      ORB  
   producer      Giorgini  
   solution date      2019-Jul-13 18:53:24  

Additional Information
 Earth MOID = .0365414 au 
 Jupiter MOID = 3.10398 au 
 T_jup = 4.527 
[ 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 23.1   .37369 MPO467551 autocmod 2.7

[ 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-May-30 19:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin