NEODyS-2

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(99942) Apophis  ▹ 
OBSERVATIONAL INFORMATION

[1-46]

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
Apophis c 2005-01-27 23:31:00 DOP 5.48782e+5 1.36040 1.36040 F 0.00000 0.26378 251 251 0.19 Yes
Apophis c 2005-01-29 00:00:00 DOP 5.57835e+5 1.36040 1.36040 F 0.00000 -0.06614 251 251 0.05 Yes
Apophis c 2005-01-29 00:00:00 DEL 2.87844e+7 0.59958 0.59958 F 0.00000 0.06538 251 251 0.16 Yes
Apophis c 2005-01-30 00:18:00 DEL 2.93509e+7 0.67453 0.67453 F 0.00000 0.08256 251 251 0.16 Yes
Apophis c 2005-01-30 00:18:00 DOP 5.64838e+5 0.81624 0.81624 F 0.00000 -0.31134 251 251 0.38 Yes
Apophis c 2005-08-07 17:07:00 DOP -4.45494e+4 1.08832 1.08832 F 0.00000 0.41755 251 251 0.39 Yes
Apophis c 2006-05-06 12:49:00 DOP 6.43508e+5 0.54416 0.54416 F 0.00000 -0.00944 251 251 0.02 Yes
Apophis c 2012-12-21 11:10:00 DOP -8.77409e+4 0.37824 0.37824 F 0.00000 -0.02089 253 253 0.06 Yes
Apophis c 2012-12-22 11:00:00 DOP -8.75712e+4 0.15130 0.15130 F 0.00000 0.06942 253 253 0.46 Yes
Apophis c 2012-12-22 11:00:00 DEL 1.53918e+7 0.03747 0.03747 F 0.00000 -0.00423 253 253 0.25 Yes
Apophis c 2013-01-03 09:20:00 DOP -5.54191e+4 0.15130 0.15130 F 0.00000 0.02262 253 253 0.15 Yes
Apophis c 2013-01-03 09:20:00 DEL 1.46073e+7 0.03747 0.03747 F 0.00000 -0.00052 253 253 0.02 Yes
Apophis c 2013-01-03 10:00:00 DEL 1.46058e+7 0.44969 0.44969 F 0.00000 -0.07731 253 253 0.17 Yes
Apophis c 2013-01-03 10:50:00 DEL 1.46042e+7 0.03747 0.03747 F 0.00000 -0.00044 253 253 0.01 Yes
Apophis c 2013-01-05 08:40:00 DOP -4.60004e+4 0.30259 0.30259 F 0.00000 -0.12815 253 253 0.42 Yes
Apophis c 2013-01-05 10:40:00 DEL 1.45267e+7 0.03747 0.03747 F 0.00000 -0.02088 253 253 0.6 Yes
Apophis c 2013-01-05 10:40:00 DOP -3.03066e+4 0.15130 0.15130 F 0.00000 0.09717 253 253 0.64 Yes
Apophis c 2013-01-05 10:50:00 DEL 1.45265e+7 0.44969 0.44969 F 0.00000 -0.09214 253 253 0.21 Yes
Apophis c 2013-01-06 08:20:00 DOP -4.03370e+4 0.15130 0.15130 F 0.00000 0.12486 253 253 0.83 Yes
Apophis c 2013-01-06 09:30:00 DOP -3.14322e+4 0.15130 0.15130 F 0.00000 -0.03329 253 253 0.22 Yes
Apophis c 2013-01-08 08:10:00 DOP -2.34457e+4 0.15130 0.15130 F 0.00000 0.04817 253 253 0.32 Yes
Apophis c 2013-01-09 08:00:00 DEL 1.44577e+7 0.02998 0.02998 F 0.00000 0.01442 253 253 0.52 Yes
Apophis c 2013-01-09 08:00:00 DOP -1.46306e+4 0.15130 0.15130 F 0.00000 0.04169 253 253 0.28 Yes
Apophis c 2013-01-09 09:20:00 DOP -4.07050e+3 0.15130 0.15130 F 0.00000 0.05301 253 253 0.35 Yes
Apophis c 2013-01-10 08:00:00 DOP -3.91990e+3 0.15130 0.15130 F 0.00000 -0.02378 253 253 0.16 Yes
Apophis c 2013-01-10 08:00:00 DEL 1.44609e+7 0.02998 0.02998 F 0.00000 0.00686 253 253 0.25 Yes
Apophis c 2013-01-10 09:40:00 DEL 1.44611e+7 0.02998 0.02998 F 0.00000 0.00493 253 253 0.18 Yes
Apophis c 2013-01-11 07:20:00 DOP 2.40502e+3 0.30259 0.30259 F 0.00000 -0.13100 253 253 0.43 Yes
Apophis c 2013-01-14 08:10:00 DOP 4.62391e+4 0.15130 0.15130 F 0.00000 0.11294 253 253 0.75 Yes
Apophis c 2013-01-14 08:10:00 DEL 1.45787e+7 0.02998 0.02998 F 0.00000 -0.00467 253 253 0.18 Yes
Apophis c 2013-01-14 09:50:00 DEL 1.45824e+7 0.02998 0.02998 F 0.00000 0.00105 253 253 0.04 Yes
Apophis c 2013-01-15 06:30:00 DOP 4.63972e+4 0.15130 0.15130 F 0.00000 0.02197 253 253 0.15 Yes
Apophis c 2013-01-16 06:30:00 DEL 1.47028e+7 0.14990 0.14990 F 0.00000 -0.06709 253 253 0.45 Yes
Apophis c 2013-01-16 06:30:00 DOP 5.98869e+4 0.30259 0.30259 F 0.00000 0.15320 253 253 0.51 Yes
Apophis c 2013-01-16 07:50:00 DOP 7.05671e+4 0.15130 0.15130 F 0.00000 -0.10124 253 253 0.67 Yes
Apophis c 2013-01-17 06:20:00 DOP 7.24337e+4 0.15130 0.15130 F 0.00000 0.03722 253 253 0.25 Yes
Apophis c 2013-02-18 00:56:00 DOP 4.17701e+5 1.08832 1.08832 F 0.00000 -0.01196 251 251 0.01 Yes
Apophis c 2013-02-18 01:37:00 DEL 2.36696e+7 0.03747 0.03747 F 0.00000 -0.02260 251 251 0.85 Yes
Apophis c 2013-02-18 01:37:00 DOP 4.24671e+5 1.08832 1.08832 F 0.00000 0.38710 251 251 0.36 Yes
Apophis c 2013-02-19 01:08:00 DOP 4.25021e+5 1.08832 1.08832 F 0.00000 -0.00339 251 251 0 Yes
Apophis c 2013-02-20 00:38:00 DOP 4.24828e+5 1.08832 1.08832 F 0.00000 -0.11566 251 251 0.11 Yes
Apophis c 2013-02-20 01:26:00 DEL 2.45199e+7 0.03747 0.03747 F 0.00000 0.01425 251 251 0.55 Yes
Apophis c 2013-02-20 01:26:00 DOP 4.32940e+5 1.08832 1.08832 F 0.00000 -0.12057 251 251 0.11 Yes
Apophis c 2013-02-21 01:04:00 DOP 4.33681e+5 1.08832 1.08832 F 0.00000 -0.15682 251 251 0.14 Yes
Apophis c 2013-03-15 23:59:00 DEL 3.52587e+7 0.29979 0.29979 F 0.00000 0.20744 251 251 1.12 Yes
Apophis c 2013-03-15 23:59:00 DOP 4.40648e+5 1.29510 1.29510 F 0.00000 -0.79648 251 251 0.62 Yes

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