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: 4/14/2025
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 04/15/2025 13:51:58 70.26, -31.52 60.21 04/15/2025 13:51:03 70.28, -31.58 60.24 3.07 55
2 04/15/2025 14:41:28 -70.15, 135.95 119.92 04/15/2025 14:41:44 -70.16, 135.94 119.91 1.22 16
3 04/15/2025 15:31:08 69.33, -57.53 59.28 04/15/2025 15:32:15 69.33, -55.53 59.23 78.65 67
4 04/18/2025 06:08:26 70.19, 84.25 59.19 04/18/2025 06:08:01 70.19, 84.33 59.19 2.88 25
5 04/18/2025 06:57:55 -70.13,-108.20 120.88 04/18/2025 06:58:43 -70.11,-108.23 120.91 2.63 48
6 04/20/2025 21:35:24 -70.28, 32.64 121.63 04/20/2025 21:34:15 -70.28, 32.64 121.63 0.36 69
7 04/20/2025 22:24:51 70.18,-159.87 58.26 04/20/2025 22:24:59 70.15,-159.86 58.23 2.45 8
8 04/20/2025 23:14:25 -69.84, 7.29 122.08 04/20/2025 23:15:37 -69.86, 7.91 122.09 23.62 72
9 04/23/2025 13:51:50 -70.23, 148.45 122.58 04/23/2025 13:51:14 -70.26, 148.44 122.55 2.71 36
10 04/23/2025 14:41:17 70.12, -44.06 57.30 04/23/2025 14:41:58 70.14, -44.07 57.31 1.78 41
11 04/26/2025 05:18:45 70.30, 96.81 56.62 04/26/2025 05:17:31 70.34, 96.75 56.67 5.30 74
12 04/26/2025 06:08:15 -70.19, -95.72 123.50 04/26/2025 06:08:12 -70.19, -95.70 123.50 0.62 3
13 04/26/2025 06:57:43 70.02, 71.69 56.33 04/26/2025 06:58:55 70.02, 71.86 56.32 6.67 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/14/2025
SNOs_Map_LANDSAT-8_NPP_20250414.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/14/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP