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: 12/20/2021
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 12/21/2021 22:25:44 70.14,-159.88 93.49 12/21/2021 22:25:05 70.16,-159.88 93.52 2.68 39
2 12/21/2021 23:15:14 -70.02, 7.60 86.63 12/21/2021 23:15:46 -70.03, 7.64 86.62 1.84 32
3 12/24/2021 13:52:34 -70.84, 149.41 85.85 12/24/2021 13:51:25 -70.91, 147.39 85.73 74.11 69
4 12/24/2021 14:42:12 70.14, -43.99 93.46 12/24/2021 14:41:56 70.12, -44.03 93.45 2.73 16
5 12/24/2021 15:31:42 -70.03, 123.49 86.65 12/24/2021 15:32:38 -70.03, 123.42 86.65 2.74 56
6 12/27/2021 06:09:13 -70.18, -95.69 86.58 12/27/2021 06:08:02 -70.19, -95.67 86.56 1.12 71
7 12/27/2021 06:58:40 70.07, 71.80 93.32 12/27/2021 06:58:46 70.08, 71.82 93.32 0.65 6
8 12/27/2021 07:48:13 -69.80,-120.95 86.95 12/27/2021 07:49:25 -69.83,-120.50 86.94 17.48 72
9 12/29/2021 22:25:41 -70.17, 20.17 86.74 12/29/2021 22:24:53 -70.15, 20.17 86.74 1.62 48
10 12/29/2021 23:15:08 70.05,-172.34 93.16 12/29/2021 23:15:37 70.04,-172.35 93.14 1.52 29
11 01/01/2022 13:52:25 71.01, -30.32 93.90 01/01/2022 13:51:18 71.05, -32.81 94.01 90.26 67
12 01/01/2022 14:42:09 -70.14, 136.02 86.96 01/01/2022 14:41:44 -70.11, 136.01 86.97 2.47 25
13 01/01/2022 15:31:36 70.02, -56.50 92.94 01/01/2022 15:32:28 70.01, -56.52 92.92 1.81 52

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 12/20/2021
SNOs_Map_LANDSAT-8_NPP_20211220.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 12/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP