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17641 (1996 SW7)
Classification: Main-belt Asteroid          SPK-ID: 2017641
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130193355384503 7.3828e-08  
a 2.419733687434119 2.1198e-08 AU
q 2.146256993900311 1.7696e-07 AU
i 6.206301761532865 9.3178e-06 deg
node 184.8590005043097 5.3583e-05 deg
peri 128.4912605268198 6.3842e-05 deg
M 293.8478410062054 3.6587e-05 deg
tp 2457053.133712969904
(2015-Jan-30.63371297)
0.00014029 JED
period 1374.83247791953
3.76
1.8066e-05
4.946e-08
d
yr
n .2618500841242645 3.4409e-09 deg/d
Q 2.693210380967927 2.3594e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      6859 days (18.78 yr)  
   first obs. used      1995-06-01  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55798  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:09:07  

Additional Information
 Earth MOID = 1.13824 AU 
 T_jup = 3.498 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO263504  

17641 (1996 SW7)          Discovered 1996-Sep-18 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 SW7 = 1998 BH46 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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