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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998FW4 ∴ Observational info ∴ Radar obs
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(152664) 1998FW4  ▹ 
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
1998FW4 c 2009-09-26 01:30:00 DOP -1.37874e+6 0.75649 0.75649 F 0.00000 -0.75678 253 253 1.01 Yes
1998FW4 c 2009-09-26 02:10:00 DEL 6.62275e+6 1.49896 1.49896 F 0.00000 0.09667 253 253 0.07 Yes
1998FW4 c 2009-09-26 03:10:00 DEL 6.56578e+6 0.14990 0.14990 F 0.00000 0.00558 253 253 0.16 Yes
1998FW4 c 2009-09-27 03:20:00 DOP -1.22073e+6 0.75649 0.75649 F 0.00000 -0.12610 253 253 0.18 Yes
1998FW4 c 2009-09-27 04:20:00 DEL 5.22218e+6 0.14990 0.14990 F 0.00000 -0.20841 253 253 1.54 Yes
1998FW4 c 2009-09-28 04:40:00 DEL 4.12780e+6 0.07495 0.07495 F 0.00000 0.04838 253 253 1.23 Yes
1998FW4 c 2009-09-30 19:30:00 DEL 3.67987e+6 0.14990 0.14990 F 0.00000 0.06369 251 251 0.77 Yes
1998FW4 c 2009-10-01 18:20:00 DEL 4.52424e+6 0.29979 0.29979 F 0.00000 -0.16167 251 251 0.58 Yes
1998FW4 c 2013-09-22 05:40:00 DOP -9.70067e+5 0.75649 0.75649 F 0.00000 0.03265 253 253 0.04 Yes
1998FW4 c 2013-09-22 06:10:00 DEL 8.00037e+6 0.44969 0.44969 F 0.00000 -0.14956 253 253 0.34 Yes
1998FW4 c 2013-09-22 06:40:00 DOP -9.56701e+5 0.75649 0.75649 F 0.00000 -0.02643 253 253 0.04 Yes
1998FW4 c 2013-09-22 06:44:00 DOP -9.37522e+5 0.40812 0.40812 F 0.00000 0.00466 251 251 0 Yes
1998FW4 c 2013-09-22 06:44:00 DEL 7.97502e+6 0.07495 0.07495 F 0.00000 0.01578 251 251 0.7 Yes
1998FW4 c 2013-09-22 07:10:00 DOP -9.49302e+5 0.60519 0.60519 F 0.00000 -0.01127 253 253 0.03 Yes
1998FW4 c 2013-09-23 08:20:00 DOP -6.11735e+5 0.45389 0.45389 F 0.00000 -0.10904 253 253 0.25 Yes
1998FW4 c 2013-09-23 08:40:00 DEL 7.14876e+6 0.29979 0.29979 F 0.00000 0.09010 253 253 0.31 Yes
1998FW4 c 2013-09-24 07:20:00 DEL 6.77524e+6 0.22484 0.22484 F 0.00000 -0.06792 253 253 0.41 Yes
1998FW4 c 2013-09-26 10:30:00 DEL 7.32028e+6 0.44969 0.44969 F 0.00000 0.02313 253 253 0.12 Yes

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