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 ]  
215989 (2005 SK85)
Classification: Main-belt Asteroid          SPK-ID: 2215989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .07784604938084001 6.2168e-08  
a 3.13950660375637 4.5067e-08 au
q 2.895108417648878 1.9742e-07 au
i 12.01014859471125 1.2658e-05 deg
node 190.1625078032225 3.0892e-05 deg
peri 92.96221265046573 9.1904e-05 deg
M 239.9093598984538 9.0182e-05 deg
tp 2459278.293168336161
(2021-Mar-04.79316834)
0.00051475 TDB
period 2031.844783196192
5.56
4.375e-05
1.198e-07
d
yr
n .1771788883566698 3.8151e-09 deg/d
Q 3.383904789863862 4.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      2003-04-06  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:38:19  

Additional Information
 Earth MOID = 1.9119 au 
 Jupiter MOID = 1.77672 au 
 T_jup = 3.172 
[ 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 15.5   n/a MPO294363  
diameter diameter 5.331 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215989 (2005 SK85)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin