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: 5/20/2021
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 -70.17, 136.08 130.42 05/22/2021 14:40:22 -70.16, 136.02 130.42 2.58 72
2 05/22/2021 15:31:02 70.02, -56.50 49.42 05/22/2021 15:31:06 70.05, -56.50 49.46 3.56 4
3 05/22/2021 16:20:33 -69.85, 110.90 130.75 05/22/2021 16:21:46 -69.85, 111.12 130.76 8.40 73
4 05/25/2021 06:58:06 -70.10,-108.15 130.99 05/25/2021 06:57:18 -70.10,-108.11 130.98 1.22 48
5 05/25/2021 07:47:33 69.99, 59.35 48.91 05/25/2021 07:48:02 69.99, 59.36 48.90 0.83 29
6 05/27/2021 22:24:54 70.89,-158.72 49.35 05/27/2021 22:23:47 70.93,-161.00 49.44 82.91 67
7 05/27/2021 23:14:37 -70.07, 7.70 131.46 05/27/2021 23:14:15 -70.09, 7.66 131.44 1.97 22
8 05/28/2021 00:04:04 69.97, 175.19 48.43 05/28/2021 00:04:59 69.98, 175.13 48.44 2.79 55
9 05/30/2021 14:41:37 70.15, -43.95 48.21 05/30/2021 14:40:28 70.14, -43.96 48.21 1.67 69
10 05/30/2021 15:31:07 -70.05, 123.54 131.90 05/30/2021 15:31:10 -70.03, 123.52 131.91 2.05 3
11 05/30/2021 16:20:38 69.72, -69.28 47.78 05/30/2021 16:21:50 69.72, -68.70 47.76 22.18 72
12 06/02/2021 06:58:08 70.12, 71.88 47.82 06/02/2021 06:57:24 70.08, 71.88 47.79 3.44 44
13 06/02/2021 07:47:39 -69.96,-120.71 132.34 06/02/2021 07:48:06 -69.98,-120.64 132.33 3.24 27

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/20/2021
SNOs_Map_LANDSAT-8_NPP_20210521.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP