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: 3/28/2025
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 03/30/2025 14:41:30 -70.22, 136.08 113.84 03/30/2025 14:40:55 -70.23, 136.00 113.82 3.16 35
2 03/30/2025 15:30:57 70.11, -56.43 66.04 03/30/2025 15:31:39 70.09, -56.48 66.02 2.74 42
3 04/02/2025 06:08:19 70.60, 84.89 65.50 04/02/2025 06:07:08 70.65, 83.81 65.59 40.17 71
4 04/02/2025 06:57:55 -70.16,-108.12 114.94 04/02/2025 06:57:42 -70.16,-108.09 114.93 1.17 13
5 04/02/2025 07:47:22 70.04, 59.37 64.94 04/02/2025 07:48:26 70.03, 59.42 64.92 2.33 64
6 04/04/2025 22:24:49 70.25,-159.72 64.14 04/04/2025 22:23:49 70.23,-159.72 64.13 1.53 60
7 04/04/2025 23:14:19 -70.14, 7.75 115.99 04/04/2025 23:14:31 -70.16, 7.71 115.96 3.30 12
8 04/05/2025 00:03:56 69.47, 174.48 63.36 04/05/2025 00:05:04 69.45, 176.08 63.29 62.37 68
9 04/07/2025 14:41:12 70.22, -43.87 63.09 04/07/2025 14:40:37 70.20, -43.86 63.08 1.71 35
10 04/07/2025 15:30:42 -70.11, 123.61 117.03 04/07/2025 15:31:19 -70.13, 123.57 117.01 2.60 37
11 04/10/2025 06:08:00 -70.68, -94.93 117.46 04/10/2025 06:06:49 -70.72, -96.19 117.37 46.74 71
12 04/10/2025 06:57:34 70.18, 71.98 62.05 04/10/2025 06:57:25 70.19, 71.97 62.06 1.12 9
13 04/10/2025 07:47:04 -70.07,-120.54 118.07 04/10/2025 07:48:06 -70.05,-120.51 118.09 2.05 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/28/2025
SNOs_Map_LANDSAT-8_NPP_20250328.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/28/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP