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100687 (1997 YF4)
Classification: Main-belt Asteroid          SPK-ID: 2100687
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07368326484704761 3.5608e-08  
a 2.661259791432897 1.1517e-08 au
q 2.465169481393949 9.4375e-08 au
i 3.119820356642761 3.9827e-06 deg
node 123.4098357110943 7.82e-05 deg
peri 299.56862497379 8.5367e-05 deg
M 84.82586004374635 3.2637e-05 deg
tp 2458626.858500594485
(2019-May-23.35850059)		 0.00014371 TDB
period 1585.730338797809
4.34		 1.0294e-05
2.818e-08		 d
yr
n .22702472872716 1.4737e-09 deg/d
Q 2.857350101471846 1.2365e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:54:52  

Additional Information
 Earth MOID = 1.48015 au 
 Jupiter MOID = 2.35288 au 
 T_jup = 3.380 
[ 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 15.2   n/a MPO412741  

100687 (1997 YF4)          Discovered 1997-Dec-23 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 YF4 = 2001 TM12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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