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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012834418852792 9.1616e-08  
a 2.982294907973959 3.6981e-08 au
q 2.680237814977414 2.703e-07 au
i 10.13345284721235 1.217e-05 deg
node 14.97566002812235 3.7936e-05 deg
peri 30.10275650072552 6.7419e-05 deg
M 213.8851966704227 5.8272e-05 deg
tp 2458364.012276456954
(2018-Sep-02.51227646)
0.0003116 JED
period 1881.153813720831
5.15
3.499e-05
9.58e-08
d
yr
n .1913719108848082 3.5596e-09 deg/d
Q 3.284352000970503 4.0727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      1997-10-30  
   last obs. used      2016-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59013  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:46:38  

Additional Information
 Earth MOID = 1.69207 au 
 Jupiter MOID = 2.18056 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 ]
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