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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101189770197552 9.7219e-08  
a 2.98247698415228 3.7561e-08 au
q 2.680680823506423 2.8595e-07 au
i 10.13353902668665 1.2797e-05 deg
node 14.97640815616699 3.949e-05 deg
peri 30.16418102552169 7.1025e-05 deg
M 175.5346645910715 6.0579e-05 deg
tp 2456483.172377381581
(2013-Jul-09.67237738)
0.00030969 JED
period 1881.326089704041
5.15
3.554e-05
9.73e-08
d
yr
n .1913543866585261 3.6148e-09 deg/d
Q 3.284273144798137 4.1362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      6464 days (17.70 yr)  
   first obs. used      1997-10-30  
   last obs. used      2015-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58424  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:52:15  

Additional Information
 Earth MOID = 1.6927 au 
 Jupiter MOID = 2.18074 au 
 T_jup = 3.228 
[ 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 14.5 mag n/a MPO337647  

48813 (1997 WJ1)          Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong
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 2016-Feb-14 12:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin