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100689 (1997 YW6)
Classification: Main-belt Asteroid          SPK-ID: 2100689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3180058025658813 6.6211e-08  
a 2.609456455071975 1.5423e-08 au
q 1.779634160816092 1.6845e-07 au
i 12.52157882105458 5.8441e-06 deg
node 107.5413654028807 2.4203e-05 deg
peri 283.2187106568812 2.624e-05 deg
M 159.1677940725419 1.4731e-05 deg
tp 2458319.767940405822
(2018-Jul-20.26794041)
5.8831e-05 TDB
period 1539.655323376628
4.22
1.365e-05
3.737e-08
d
yr
n .2338185660998994 2.073e-09 deg/d
Q 3.439278749327858 2.0328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1997-12-25  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:54:52  

Additional Information
 Earth MOID = .834697 au 
 Jupiter MOID = 2.15878 au 
 T_jup = 3.305 
[ 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 14.9   n/a MPO325156  

100689 (1997 YW6)          Discovered 1997-Dec-25 by Sato, N. at Chichibu
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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