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: 8/16/2021
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 08/18/2021 14:42:05 70.08, -44.03 57.15 08/18/2021 14:41:25 70.07, -44.02 57.14 1.42 40
2 08/18/2021 15:31:34 -69.97, 123.45 122.95 08/18/2021 15:32:06 -69.98, 123.43 122.94 1.63 32
3 08/21/2021 06:08:57 -70.72, -94.85 121.37 08/21/2021 06:07:48 -70.78, -96.69 121.24 67.83 69
4 08/21/2021 06:58:35 70.01, 71.75 57.96 08/21/2021 06:58:20 70.03, 71.81 57.98 3.04 15
5 08/21/2021 07:48:04 -69.96,-120.68 122.08 08/21/2021 07:49:02 -69.95,-120.75 122.10 3.09 58
6 08/23/2021 22:25:38 -70.11, 20.13 121.06 08/23/2021 22:24:32 -70.12, 20.14 121.04 0.84 66
7 08/23/2021 23:15:05 70.00,-172.39 58.85 08/23/2021 23:15:16 70.00,-172.38 58.85 0.55 11
8 08/24/2021 00:04:41 -69.57, -5.35 121.56 08/24/2021 00:05:52 -69.59, -4.45 121.57 34.86 71
9 08/26/2021 14:42:08 -70.09, 135.99 120.16 08/26/2021 14:41:28 -70.08, 135.96 120.16 1.71 40
10 08/26/2021 15:31:35 69.98, -56.53 59.75 08/26/2021 15:32:12 69.97, -56.56 59.74 1.50 37
11 08/29/2021 06:09:01 70.55, 84.91 61.22 08/29/2021 06:07:51 70.62, 83.56 61.33 50.48 70
12 08/29/2021 06:58:38 -70.02,-108.24 119.29 08/29/2021 06:58:23 -70.05,-108.23 119.26 3.36 15
13 08/29/2021 07:48:04 69.96, 59.32 60.67 08/29/2021 07:49:07 69.94, 59.25 60.65 3.15 63

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/16/2021
SNOs_Map_LANDSAT-8_NPP_20210816.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/16/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP