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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004314289878132 9.682e-08  
a 2.985507874095525 3.8149e-08 AU
q 2.685669052045743 2.8475e-07 AU
i 10.12698690186198 1.2932e-05 deg
node 14.9901871738448 3.9953e-05 deg
peri 30.60719060989401 7.1995e-05 deg
M 98.58058685062194 6.0739e-05 deg
tp 2456484.541636383212
(2013-Jul-11.04163638)
0.0003143 JED
period 1884.194615147718
5.16
3.6114e-05
9.887e-08
d
yr
n .1910630659411881 3.6621e-09 deg/d
Q 3.285346696145306 4.198e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      6429 days (17.60 yr)  
   first obs. used      1997-10-30  
   last obs. used      2015-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58654  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:16:52  

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 14.5 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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