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 ]  
78905 Seanokeefe (2003 SK85)
Classification: Main-belt Asteroid          SPK-ID: 2078905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534004027229445 4.8557e-08  
a 2.413926256989122 1.177e-08 au
q 1.802236371324589 1.1897e-07 au
i 21.44321287650531 5.0919e-06 deg
node 211.5971028838984 1.3335e-05 deg
peri 292.0425297550787 1.5946e-05 deg
M 34.58361181107372 9.6527e-06 deg
tp 2458868.901096130691
(2020-Jan-20.40109613)
3.6403e-05 TDB
period 1369.885992583964
3.75
1.0019e-05
2.743e-08
d
yr
n .2627955917126692 1.922e-09 deg/d
Q 3.025616142653655 1.4752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      7900 days (21.63 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:32:35  

Additional Information
 Earth MOID = .90902 au 
 Jupiter MOID = 2.26858 au 
 T_jup = 3.382 
[ 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 14.6   n/a MPO459360  
diameter diameter 3.584 km 1.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78905 Seanokeefe           Discovered 2003 Sept. 16 by the Near-Earth Tracking (NEAT) project at Palomar Observatory.
Named in honor of Sean O'Keefe (b. 1956), for his vision and leadership in advancing the spirit of exploration during his tenure as the tenth NASA administrator, 2001-2004.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

Alternate Designations
 2003 SK85 = 2001 CP42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-03 17:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin