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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120044483039863 2.7437e-08  
a 2.420341247103116 9.4978e-09 au
q 2.149252261013949 6.5154e-08 au
i 6.204954549184085 3.4692e-06 deg
node 184.8162948176585 2.9268e-05 deg
peri 128.4749851887226 3.5052e-05 deg
M 202.1662284657817 2.1894e-05 deg
tp 2459803.490907618509
(2022-Aug-11.99090762)
8.5303e-05 TDB
period 1375.350310852839
3.77
8.0956e-06
2.216e-08
d
yr
n .261751494989497 1.5407e-09 deg/d
Q 2.691430233192283 1.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1471  
   data-arc span      9428 days (25.81 yr)  
   first obs. used      1995-06-01  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:35:09  

Additional Information
 Earth MOID = 1.14027 au 
 Jupiter MOID = 2.55599 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.96   n/a MPCxxxxx  
diameter diameter 3.228 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

Alternate Designations
 1996 SW7 = 1998 BH46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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