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
JPL Small-Body Database Browser
Search: [ help ]  
26297 (1998 SK118)
Classification: Main-belt Asteroid          SPK-ID: 2026297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007517177854099 3.3659e-08  
a 2.342243601853638 8.0485e-09 au
q 2.106258535494999 7.8854e-08 au
i 6.987437693994447 3.9553e-06 deg
node 10.52391133379887 3.119e-05 deg
peri 250.2489687791694 3.7142e-05 deg
M 176.3133643149276 2.0001e-05 deg
tp 2458559.247235331921
(2019-Mar-16.74723533)
7.2685e-05 TDB
period 1309.322161581391
3.58
6.7487e-06
1.848e-08
d
yr
n .274951429497836 1.4172e-09 deg/d
Q 2.578228668212279 8.8594e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1925  
   data-arc span      10673 days (29.22 yr)  
   first obs. used      1991-10-31  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46693  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:41  

Additional Information
 Earth MOID = 1.10207 au 
 Jupiter MOID = 2.48225 au 
 T_jup = 3.547 
[ 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 14.1   n/a MPO502354  
diameter diameter 3.217 km 0.595 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.470   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26297 (1998 SK118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SK118 = 1991 UW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 04:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin