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 GC4)
Classification: Outer Main-belt Asteroid          SPK-ID: 3802581
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6298246993104393 2.3531e-05  
a 3.55479677330223 0.00024778 au
q 1.315897964447433 8.4977e-06 au
i 27.57532521682533 0.00057617 deg
node 31.56271379616781 0.00018607 deg
peri 215.3072838998919 0.00029757 deg
M 104.8832923718147 0.010941 deg
tp 2458287.278537254742
(2018-Jun-17.77853725)
0.00025004 TDB
period 2448.051741912062
6.70
0.25596
0.0007008
d
yr
n .1470557153006989 1.5375e-05 deg/d
Q 5.793695582157027 0.00040384 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      85 days  
   first obs. used      2018-03-16  
   last obs. used      2018-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .42819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 18:58:41  

Additional Information
 Earth MOID = .367134 au 
 Jupiter MOID = .398363 au 
 T_jup = 2.602 
[ 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 20.0   n/a E2018L55  

[ 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-Aug-11 19:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin