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 ]  
101311 (1998 SA138)
Classification: Main-belt Asteroid          SPK-ID: 2101311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730338003099501 3.9822e-08  
a 2.366005687565464 9.5437e-09 au
q 1.956606731891056 9.1094e-08 au
i 5.680829976746633 4.7793e-06 deg
node 186.0605213645874 4.6281e-05 deg
peri 162.3323321240134 4.881e-05 deg
M 57.60181048669072 1.5721e-05 deg
tp 2458987.805756266143
(2020-May-18.30575627)
5.7628e-05 TDB
period 1329.297240785177
3.64
8.0429e-06
2.202e-08
d
yr
n .2708197903031518 1.6386e-09 deg/d
Q 2.775404643239873 1.1195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:12  

Additional Information
 Earth MOID = .949513 au 
 Jupiter MOID = 2.65663 au 
 T_jup = 3.521 
[ 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 16.4   n/a MPO474887  

101311 (1998 SA138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 03:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin