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 ]  
487358 (2014 QW227)
Classification: Main-belt Asteroid          SPK-ID: 2487358
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04263723634620479 9.0758e-08  
a 3.188893175852864 9.2873e-08 au
q 3.052927583831226 3.102e-07 au
i 26.33360187520606 1.4281e-05 deg
node 161.049013887776 1.4438e-05 deg
peri 310.3745837196221 0.00014949 deg
M 239.242960605639 0.00014458 deg
tp 2459698.199384209810
(2022-Apr-28.69938421)		 0.00082741 TDB
period 2079.976286063704
5.69		 9.0865e-05
2.488e-07		 d
yr
n .1730788963374625 7.5611e-09 deg/d
Q 3.324858767874502 9.6833e-08 au
   Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2000-04-03  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6293  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:40:00  

Additional Information
 Earth MOID = 2.09652 au 
 Jupiter MOID = 1.71544 au 
 T_jup = 3.034 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO450508  
diameter diameter 4.739 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

487358 (2014 QW227)          Discovered 2012-Apr-01 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 QW227 = 2010 AF136 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 03:48 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin