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 XF4)
Classification: Apollo [NEO]          SPK-ID: 3836893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295991459348567 0.00027837  
a 1.266000109784865 0.00047018 au
q .9753275658248249 9.9313e-06 au
i 25.83994555689454 0.015122 deg
node 81.63501421070255 0.00011054 deg
peri 327.6287229422735 0.014688 deg
M 303.7544578927412 0.38049 deg
tp 2459477.789536649074
(2021-Sep-20.28953665)
0.59519 TDB
period 520.2942686170695
1.42
0.28985
0.0007936
d
yr
n .6919161361451701 0.00038546 deg/d
Q 1.556672653744905 0.00057814 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5 days  
   first obs. used      2018-12-13  
   last obs. used      2018-12-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .47705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:56:04  

Additional Information
 Earth MOID = .0197347 au 
 Jupiter MOID = 3.78828 au 
 T_jup = 4.974 
[ 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 25.1   .47412 E2018Y62 autocmod 2.6q

[ 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-Jul-25 08:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin