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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07368326417611334 3.6949e-08  
a 2.661259791731189 1.194e-08 au
q 2.465169483455791 9.8778e-08 au
i 3.11982038278457 3.9903e-06 deg
node 123.409835311703 8.256e-05 deg
peri 299.5686249519193 8.944e-05 deg
M 84.82586031004948 3.2881e-05 deg
tp 2458626.858499358651
(2019-May-23.35849936)
0.0001447 TDB
period 1585.730339064417
4.34
1.0672e-05
2.922e-08
d
yr
n .2270247286889903 1.5278e-09 deg/d
Q 2.857350100006586 1.282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8078 days (22.12 yr)  
   first obs. used      1997-12-23  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:09:26  

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

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