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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09988409894062722 1.0838e-07  
a 2.986899026649724 4.901e-08 AU
q 2.68855530874618 3.2309e-07 AU
i 10.12005310968475 1.4724e-05 deg
node 15.05923706533465 4.8038e-05 deg
peri 30.87289843362476 8.06e-05 deg
M 60.11390259171241 6.5571e-05 deg
tp 2456485.651476215510
(2013-Jul-12.15147622)
0.00034135 JED
period 1885.511731491591
5.16
4.6407e-05
1.271e-07
d
yr
n .1909295996345836 4.6993e-09 deg/d
Q 3.285242744553268 5.3906e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      5900 days (16.15 yr)  
   first obs. used      1997-10-30  
   last obs. used      2013-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59519  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 12:14:58  

Additional Information
 Earth MOID = 1.70104 AU 
 T_jup = 3.226 
[ 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 14.3 mag n/a MPO267870  

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 ]
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