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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130368713838906 4.0316e-08  
a 2.419351591968668 1.4778e-08 au
q 2.145875657234894 9.6077e-08 au
i 6.206953475130875 6.0614e-06 deg
node 184.8526647413571 4.2302e-05 deg
peri 128.2666487582626 5.1737e-05 deg
M 143.5452222249324 2.9746e-05 deg
tp 2457052.433637429798
(2015-Jan-29.93363743)
0.00011397 JED
period 1374.506845070061
3.76
1.2594e-05
3.448e-08
d
yr
n .2619121187291361 2.3998e-09 deg/d
Q 2.692827526702441 1.6449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1995-06-01  
   last obs. used      2016-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55828  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:30:17  

Additional Information
 Earth MOID = 1.13836 au 
 Jupiter MOID = 2.54925 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 14.9 mag n/a MPO302173  

17641 (1996 SW7)          Discovered 1996-Sep-18 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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