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100683 (1997 YW1)
Classification: Main-belt Asteroid          SPK-ID: 2100683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149965762094911 3.4194e-08  
a 3.06111130397447 1.4447e-08 au
q 2.096871723826342 1.0275e-07 au
i 9.648396762700546 4.4892e-06 deg
node 18.87209244070813 3.0894e-05 deg
peri 55.09990353532866 3.2802e-05 deg
M 85.10829132388459 8.5294e-06 deg
tp 2458738.026897415489
(2019-Sep-11.52689742)
4.6093e-05 TDB
period 1956.217359561777
5.36
1.3848e-05
3.791e-08
d
yr
n .184028629661402 1.3028e-09 deg/d
Q 4.0253508841226 1.8997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:17  

Additional Information
 Earth MOID = 1.1278 au 
 Jupiter MOID = 1.4651 au 
 T_jup = 3.135 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.65   n/a E2021B55  
diameter diameter 7.490 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100683 (1997 YW1)          Discovered 1997-Dec-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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