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6564 Asher (1992 BB)
Classification: Mars-crossing Asteroid          SPK-ID: 2006564
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2658900056593441 4.6108e-08  
a 1.881721728725143 4.816e-09 au
q 1.381390727625104 8.6458e-08 au
i 45.29189157417966 8.0699e-06 deg
node 194.5715062653579 5.346e-06 deg
peri 330.4783739633725 1.1143e-05 deg
M 40.127561887829 1.0846e-05 deg
tp 2459095.407481683916
(2020-Sep-02.90748168)
2.826e-05 TDB
period 942.8259483979588
2.58
3.6195e-06
9.91e-09
d
yr
n .3818308147030835 1.4659e-09 deg/d
Q 2.382052729825182 6.0965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      10166 days (27.83 yr)  
   first obs. used      1992-01-25  
   last obs. used      2019-11-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 18:52:52  

Additional Information
 Earth MOID = .414267 au 
 Jupiter MOID = 2.6617 au 
 T_jup = 3.581 
[ 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 16.2   n/a MPO502216  

6564 Asher (1992 BB)          Discovered 1992-Jan-25 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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