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 ]  
(2018 GG4)
Classification: Apollo [NEO]          SPK-ID: 3802585
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 2458228.5 (2018-Apr-20.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6546639814235982 0.0014007  
a 2.527464224256042 0.009747 au
q .8728244322988756 0.00017431 au
i 5.23265541699298 0.0079923 deg
node 30.67563451262583 0.0012622 deg
peri 233.6681214983887 0.0020149 deg
M 350.3608913403261 0.060564 deg
tp 2458267.797084213085
(2018-May-29.29708421)
0.019589 TDB
period 1467.661670408973
4.02
8.4899
0.02324
d
yr
n .2452881391252002 0.0014189 deg/d
Q 4.182104016213209 0.016128 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      11 days  
   first obs. used      2018-04-13  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .50448  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-26 08:15:29  

Additional Information
 Earth MOID = .00830503 au 
 Jupiter MOID = .996126 au 
 T_jup = 3.108 
[ 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 26.2   n/a MPO445237  

[ 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-Jun-04 11:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin