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Near Earth Objects - Dynamic Site
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(138971) 2001CB21  ▹ 
OBSERVATIONAL INFORMATION

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Designation Type N Date and time Radar range/range rate trx station rec station Quality
yr-mo-day hh:mm:ss type km or km/day precision a priori rms F bias residual χ used
2001CB21 c 2006-10-02 20:11:00 DOP 5.27908e+4 2.72081 2.72081 F 0.00000 -0.99572 251 251 0.38 Yes
2001CB21 c 2006-10-02 21:29:00 DEL 7.17014e+6 0.22484 0.22484 F 0.00000 0.00616 251 251 0.69 Yes

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