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 YF4)
Classification: Apollo [NEO]          SPK-ID: 3959226
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149849339235622 4.0594e-06  
a 1.262731423168112 6.6737e-06 au
q .9912631915951101 1.1329e-07 au
i .2064414647006857 4.967e-06 deg
node 260.1698991478113 0.0003864 deg
peri 216.5828692326505 0.00039543 deg
M 93.79847908933037 0.00073108 deg
tp 2458865.461313595603
(2020-Jan-16.96131360)
2.3485e-05 TDB
period 518.2805475905927
1.42
0.0041088
1.125e-05
d
yr
n .6946044988058787 5.5067e-06 deg/d
Q 1.534199654741115 8.1085e-06 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      28 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .47144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:37:07  

Additional Information
 Earth MOID = .00782311 au 
 Jupiter MOID = 3.53886 au 
 T_jup = 5.083 
[ 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 27.0   .38767 E2020-AB7 autocmod 2.8

[ 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-Feb-22 07:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin