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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09988404601825775 9.9119e-08  
a 2.986899021825196 4.4014e-08 AU
q 2.68855546247732 2.9627e-07 AU
i 10.1200416983998 1.3987e-05 deg
node 15.05924252168186 4.4484e-05 deg
peri 30.8728774891501 7.5264e-05 deg
M 60.11391475893258 6.103e-05 deg
tp 2456485.651413252127
(2013-Jul-12.15141325)
0.00031786 JED
period 1885.51172692329
5.16
4.1677e-05
1.141e-07
d
yr
n .1909296000971763 4.2203e-09 deg/d
Q 3.285242581173073 4.8411e-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 = 1.70104 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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