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 ]  
117142 (2004 PK89)
Classification: Main-belt Asteroid          SPK-ID: 2117142
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451255450683577 6.24e-08  
a 3.014713583282049 2.7441e-08 au
q 2.57720163128326 1.8089e-07 au
i 10.37540455879477 5.6322e-06 deg
node 230.0352050294605 2.9976e-05 deg
peri 150.3216195696252 3.635e-05 deg
M 244.9960596556086 1.9032e-05 deg
tp 2459211.270051076660
(2020-Dec-27.77005108)
0.00010346 TDB
period 1911.910302630954
5.23
2.6104e-05
7.147e-08
d
yr
n .1882933522062248 2.5708e-09 deg/d
Q 3.452225535280838 3.1423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      6803 days (18.63 yr)  
   first obs. used      1999-09-08  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54941  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:23:35  

Additional Information
 Earth MOID = 1.58598 au 
 Jupiter MOID = 2.02174 au 
 T_jup = 3.208 
[ 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 14.7   n/a MPO396004  
diameter diameter 4.957 km 0.793 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.104   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117142 (2004 PK89)          Discovered 2004-Aug-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 PK89 = 1999 SM24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 15:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin