Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
48813 (1997 WJ1)
Classification: Main-belt Asteroid          SPK-ID: 2048813
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004314310770707 9.9363e-08  
a 2.98550787095787 4.5146e-08 AU
q 2.685669042985712 2.9788e-07 AU
i 10.1269856921385 1.3998e-05 deg
node 14.99015200143557 4.4437e-05 deg
peri 30.60722561702678 7.498e-05 deg
M 98.58058741895238 6.0994e-05 deg
tp 2456484.541634222021
(2013-Jul-11.04163422)
0.00031591 JED
period 1884.194612177393
5.16
4.2739e-05
1.17e-07
d
yr
n .1910630662423881 4.3338e-09 deg/d
Q 3.285346698930027 4.968e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      1997-10-30  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58068  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:59:45  

Additional Information
 Earth MOID = 1.69895 AU 
 T_jup = 3.227 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO296496  

48813 (1997 WJ1)          Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-20 16:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin