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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130606742283807 5.4096e-08  
a 2.420004499911809 1.7646e-08 AU
q 2.146397159516065 1.356e-07 AU
i 6.206206770205168 6.7369e-06 deg
node 184.8534258097817 4.6696e-05 deg
peri 128.4403567389054 5.6102e-05 deg
M 346.2645789746111 3.0089e-05 deg
tp 2457052.964092204820
(2015-Jan-30.46409220)
0.00011485 JED
period 1375.063287745152
3.76
1.504e-05
4.118e-08
d
yr
n .2618061315492853 2.8635e-09 deg/d
Q 2.693611840307553 1.9641e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      1995-06-01  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52858  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:29:38  

Additional Information
 Earth MOID = 1.14027 AU 
 T_jup = 3.497 
[ 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 14.9 mag n/a MPO302173  

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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