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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004314283053739 9.6847e-08  
a 2.985507874061673 3.8327e-08 AU
q 2.685669054052719 2.8492e-07 AU
i 10.12698700056908 1.2936e-05 deg
node 14.99017637294377 4.0414e-05 deg
peri 30.6072012786772 7.233e-05 deg
M 98.58058679422079 6.0758e-05 deg
tp 2456484.541636687183
(2013-Jul-11.04163669)
0.00031443 JED
period 1884.194615115672
5.16
3.6283e-05
9.934e-08
d
yr
n .1910630659444376 3.6792e-09 deg/d
Q 3.285346694070628 4.2176e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      1997-10-30  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:13:54  

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
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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