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: 9/24/2021
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 09/24/2021 22:25:45 -70.11, 20.12 109.16 09/24/2021 22:24:45 -70.13, 20.10 109.14 2.03 60
2 09/24/2021 23:15:12 70.02,-172.37 70.76 09/24/2021 23:15:29 70.02,-172.42 70.76 1.78 17
3 09/25/2021 00:04:52 -69.35, -5.65 109.89 09/25/2021 00:06:01 -69.39, -4.18 109.86 57.74 69
4 09/27/2021 14:42:16 -70.08, 135.95 108.15 09/27/2021 14:41:40 -70.07, 135.96 108.16 0.76 36
5 09/27/2021 15:31:43 69.98, -56.55 71.76 09/27/2021 15:32:24 69.96, -56.57 71.75 1.75 41
6 09/30/2021 06:09:11 70.48, 84.77 73.28 09/30/2021 06:08:00 70.49, 83.76 73.30 37.58 71
7 09/30/2021 06:58:47 -70.04,-108.23 107.15 09/30/2021 06:58:35 -70.02,-108.19 107.17 2.81 12
8 09/30/2021 07:48:14 69.94, 59.27 72.76 09/30/2021 07:49:19 69.91, 59.28 72.74 2.55 65
9 10/02/2021 22:25:48 70.10,-159.90 73.94 10/02/2021 22:24:49 70.12,-159.90 73.96 2.58 59
10 10/02/2021 23:15:18 -69.99, 7.58 106.16 10/02/2021 23:15:31 -70.02, 7.58 106.14 2.90 13
11 10/03/2021 00:04:55 69.33, 174.32 73.20 10/03/2021 00:06:04 69.33, 175.90 73.19 61.79 69
12 10/05/2021 14:42:17 70.10, -44.02 74.97 10/05/2021 14:41:43 70.08, -44.05 74.95 2.99 34
13 10/05/2021 15:31:47 -70.00, 123.46 105.13 10/05/2021 15:32:25 -69.97, 123.43 105.15 3.28 38

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/24/2021
SNOs_Map_LANDSAT-8_NPP_20210924.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/24/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP