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 ]  
26278 (1998 SK8)
Classification: Main-belt Asteroid          SPK-ID: 2026278
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536105752344973 4.3255e-08  
a 2.744169171248342 1.5641e-08 au
q 2.322635766312111 1.1786e-07 au
i 12.87942462879261 6.564e-06 deg
node 189.8516292878171 2.1604e-05 deg
peri 289.745627631658 2.9705e-05 deg
M 99.13116338626133 2.0583e-05 deg
tp 2458143.282914779472
(2018-Jan-24.78291478)
9.4277e-05 TDB
period 1660.407737151624
4.55
1.4195e-05
3.886e-08
d
yr
n .2168142149334768 1.8536e-09 deg/d
Q 3.165702576184574 1.8043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      9369 days (25.65 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:15  

Additional Information
 Earth MOID = 1.37428 au 
 Jupiter MOID = 2.02136 au 
 T_jup = 3.295 
[ 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 14.5   n/a MPO302221  

26278 (1998 SK8)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SK8 = 2000 AE242 
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