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 ]  
136225 (2003 WJ99)
Classification: Main-belt Asteroid          SPK-ID: 2136225
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08349552765747463 4.3439e-08  
a 2.453411795024224 1.6209e-08 au
q 2.248562882637605 1.0499e-07 au
i 4.902576093266608 6.1623e-06 deg
node 334.1222020826968 5.4466e-05 deg
peri 307.763552687151 6.8117e-05 deg
M 139.3530388845637 4.3052e-05 deg
tp 2458057.164547902246
(2017-Oct-30.66454790)
0.00016584 TDB
period 1403.634713106054
3.84
1.391e-05
3.808e-08
d
yr
n .2564769855280713 2.5417e-09 deg/d
Q 2.658260707410844 1.7562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2001-01-26  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:04:30  

Additional Information
 Earth MOID = 1.23562 au 
 Jupiter MOID = 2.4558 au 
 T_jup = 3.484 
[ 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 16.1   n/a MPO453845  

136225 (2003 WJ99)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
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