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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004314398092489 9.7135e-08  
a 2.985507856502025 3.9915e-08 AU
q 2.685669003911702 2.8675e-07 AU
i 10.1269851694168 1.3057e-05 deg
node 14.99015855727828 4.2351e-05 deg
peri 30.60722856752342 7.3562e-05 deg
M 98.5805833134136 6.0809e-05 deg
tp 2456484.541659457302
(2013-Jul-11.04165946)
0.00031483 JED
period 1884.194598492473
5.16
3.7786e-05
1.035e-07
d
yr
n .1910630676300806 3.8317e-09 deg/d
Q 3.285346709092348 4.3924e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      1997-10-30  
   last obs. used      2015-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57989  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:28:38  

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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