Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/21/2021
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/22/2021 14:41:34 -70.16, 136.07 130.43 05/22/2021 14:40:22 -70.17, 136.01 130.41 2.42 72
2 05/22/2021 15:31:02 70.01, -56.51 49.42 05/22/2021 15:31:05 70.00, -56.43 49.41 3.06 3
3 05/22/2021 16:20:33 -69.84, 110.89 130.76 05/22/2021 16:21:46 -69.86, 111.11 130.75 8.61 73
4 05/25/2021 06:58:06 -70.09,-108.16 131.00 05/25/2021 06:57:18 -70.10,-108.13 130.98 2.18 48
5 05/25/2021 07:47:33 69.99, 59.34 48.90 05/25/2021 07:48:02 69.99, 59.35 48.91 1.03 29
6 05/27/2021 22:24:54 70.88,-158.73 49.34 05/27/2021 22:23:47 70.93,-161.01 49.44 82.92 67
7 05/27/2021 23:14:37 -70.07, 7.69 131.47 05/27/2021 23:14:14 -70.04, 7.73 131.49 3.16 23
8 05/28/2021 00:04:04 69.96, 175.18 48.42 05/28/2021 00:04:58 69.93, 175.20 48.40 2.87 54
9 05/30/2021 14:41:38 70.14, -43.96 48.21 05/30/2021 14:40:29 70.14, -43.97 48.21 0.54 69
10 05/30/2021 15:31:08 -70.04, 123.53 131.90 05/30/2021 15:31:11 -70.03, 123.51 131.91 0.75 3
11 05/30/2021 16:20:39 69.71, -69.29 47.77 05/30/2021 16:21:50 69.67, -68.63 47.71 25.81 71
12 06/02/2021 06:58:08 70.11, 71.87 47.81 06/02/2021 06:57:24 70.09, 71.88 47.79 2.54 44
13 06/02/2021 07:47:38 -70.01,-120.64 132.30 06/02/2021 07:48:06 -69.98,-120.64 132.33 3.16 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/21/2021
SNOs_Map_LANDSAT-8_NPP_20210522.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/21/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP