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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659327362520215 4.6101e-08  
a 1.881804512055405 4.8076e-09 au
q 1.381371089073111 8.6462e-08 au
i 45.29089585960047 8.0697e-06 deg
node 194.5734589775061 5.3461e-06 deg
peri 330.478115890825 1.1143e-05 deg
M 323.7630516229723 1.0741e-05 deg
tp 2459095.409416127582
(2020-Sep-02.90941613)
2.8258e-05 TDB
period 942.8881662560183
2.58
3.6133e-06
9.893e-09
d
yr
n .3818056190369567 1.4632e-09 deg/d
Q 2.382237935037699 6.0861e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:33:20  

Additional Information
 Earth MOID = .414836 au 
 Jupiter MOID = 2.6626 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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