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 ]  
135631 (2002 JS81)
Classification: Main-belt Asteroid          SPK-ID: 2135631
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016159266975166 3.5814e-08  
a 2.302227387266881 1.013e-08 au
q 2.068284417841355 7.9949e-08 au
i 7.413359209541141 4.8332e-06 deg
node 25.09868303954989 2.8807e-05 deg
peri 239.3078612645578 3.9664e-05 deg
M 77.00216203815305 2.5129e-05 deg
tp 2458927.588919192331
(2020-Mar-19.08891919)
8.9474e-05 TDB
period 1275.912084677325
3.49
8.4212e-06
2.306e-08
d
yr
n .282151101414674 1.8622e-09 deg/d
Q 2.536170356692408 1.1159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:53  

Additional Information
 Earth MOID = 1.06295 au 
 Jupiter MOID = 2.52412 au 
 T_jup = 3.573 
[ 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 16.29   n/a E2021B55  

135631 (2002 JS81)          Discovered 2002-May-11 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-12 00:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin