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 ]  
487151 (2014 OR221)
Classification: Main-belt Asteroid          SPK-ID: 2487151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555652693840314 9.1881e-08  
a 2.380341207249191 3.9492e-08 au
q 2.01004278611756 2.1906e-07 au
i 6.346242463123263 7.4076e-06 deg
node 32.43241006737815 7.0598e-05 deg
peri 167.5608960409937 7.705e-05 deg
M 191.945622617875 2.7057e-05 deg
tp 2459226.687764998594
(2021-Jan-12.18776500)
9.9065e-05 TDB
period 1341.396748547124
3.67
3.3383e-05
9.14e-08
d
yr
n .2683769737700038 6.6789e-09 deg/d
Q 2.750639628380822 4.5636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4528 days (12.40 yr)  
   first obs. used      2006-03-26  
   last obs. used      2018-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:34:24  

Additional Information
 Earth MOID = 1.00803 au 
 Jupiter MOID = 2.20651 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 17.7   n/a MPO456348  

487151 (2014 OR221)          Discovered 2011-Sep-23 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2014 OR221 = 2013 AK75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin