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 ]  
216715 (2005 EN31)
Classification: Main-belt Asteroid          SPK-ID: 2216715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678599492048451 4.9273e-08  
a 2.388955021445611 1.1256e-08 au
q 1.987945152893091 1.1364e-07 au
i .289721202323677 5.0521e-06 deg
node 359.2493573806236 0.00076394 deg
peri 179.5587272125543 0.00076411 deg
M 84.05368316071669 1.3662e-05 deg
tp 2458885.605819720028
(2020-Feb-06.10581972)
5.1336e-05 TDB
period 1348.684562507913
3.69
9.5316e-06
2.61e-08
d
yr
n .2669267596053527 1.8865e-09 deg/d
Q 2.789964889998131 1.3145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1994-03-05  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:00  

Additional Information
 Earth MOID = .99107 au 
 Jupiter MOID = 2.17015 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.60   n/a E2021B55  

216715 (2005 EN31)          Discovered 2005-Mar-02 by CSS at Catalina
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2005 EN31 = 2007 VY80 = 2007 XF29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 14:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin