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: 9/20/2021
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 09/22/2021 06:09:09 -70.51, -95.18 109.81 09/22/2021 06:07:58 -70.54, -96.32 109.76 42.50 71
2 09/22/2021 06:58:43 70.02, 71.76 69.73 09/22/2021 06:58:34 70.01, 71.81 69.72 2.36 9
3 09/22/2021 07:48:12 -69.91,-120.77 110.38 09/22/2021 07:49:15 -69.92,-120.72 110.37 1.84 63
4 09/24/2021 22:25:44 -70.14, 20.16 109.13 09/24/2021 22:24:45 -70.12, 20.12 109.15 3.05 59
5 09/24/2021 23:15:12 69.98,-172.42 70.73 09/24/2021 23:15:29 70.01,-172.41 70.76 3.17 17
6 09/25/2021 00:04:52 -69.32, -5.69 109.92 09/25/2021 00:06:00 -69.33, -4.09 109.92 62.60 68
7 09/27/2021 14:42:15 -70.04, 135.90 108.19 09/27/2021 14:41:40 -70.06, 135.98 108.17 3.39 35
8 09/27/2021 15:31:42 69.94, -56.60 71.72 09/27/2021 15:32:24 69.96, -56.56 71.74 2.88 42
9 09/30/2021 06:09:10 70.37, 84.63 73.17 09/30/2021 06:07:59 70.43, 83.86 73.23 29.54 71
10 09/30/2021 06:58:44 -70.05,-108.20 107.14 09/30/2021 06:58:36 -70.06,-108.25 107.13 2.02 8
11 09/30/2021 07:48:11 69.94, 59.29 72.76 09/30/2021 07:49:20 69.96, 59.21 72.78 3.50 69
12 10/02/2021 22:25:44 70.10,-159.88 73.93 10/02/2021 22:24:49 70.12,-159.88 73.95 1.70 55
13 10/02/2021 23:15:14 -70.00, 7.60 106.16 10/02/2021 23:15:31 -70.01, 7.60 106.15 1.07 17
14 10/03/2021 00:04:53 69.17, 174.12 73.03 10/03/2021 00:06:00 69.16, 176.14 73.02 79.69 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2021
SNOs_Map_LANDSAT-8_NPP_20210920.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP