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 ]  
(2018 GR2)
Classification: Apollo [NEO]          SPK-ID: 3802458
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4763150745587238 1.1871e-05  
a 1.799780465507888 3.8023e-05 au
q .9425178988901636 1.4584e-06 au
i 8.111252706218984 0.00016851 deg
node 39.60228831419079 6.5433e-05 deg
peri 226.0088124626076 0.00015014 deg
M 16.04835559495587 0.011892 deg
tp 2459161.185227628590
(2020-Nov-07.68522763)
0.027887 TDB
period 881.9170269479895
2.41
0.027948
7.652e-05
d
yr
n .4082016663697216 1.2936e-05 deg/d
Q 2.657043032125613 5.6135e-05 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      148 days  
   first obs. used      2018-04-11  
   last obs. used      2018-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .44194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-07 06:57:54  

Additional Information
 Earth MOID = .0177156 au 
 Jupiter MOID = 2.47533 au 
 T_jup = 3.915 
[ 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 22.5   n/a MPO450737  

[ 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-Mar-09 05:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin