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: 3/27/2025
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 03/27/2025 22:25:03 -70.23, 20.21 112.78 03/27/2025 22:24:05 -70.24, 20.19 112.77 1.14 58
2 03/27/2025 23:14:30 70.13,-172.29 67.11 03/27/2025 23:14:49 70.10,-172.29 67.08 3.25 19
3 03/28/2025 00:04:11 -69.41, -5.64 113.59 03/28/2025 00:05:19 -69.41, -3.94 113.66 66.51 68
4 03/30/2025 14:41:29 -70.23, 136.10 113.83 03/30/2025 14:40:54 -70.21, 136.03 113.84 3.47 35
5 03/30/2025 15:30:57 70.07, -56.49 66.00 03/30/2025 15:31:38 70.08, -56.46 66.01 1.62 41
6 04/02/2025 06:08:19 70.60, 84.90 65.50 04/02/2025 06:07:08 70.64, 83.84 65.58 39.31 71
7 04/02/2025 06:57:55 -70.16,-108.11 114.94 04/02/2025 06:57:42 -70.15,-108.07 114.95 2.01 13
8 04/02/2025 07:47:22 70.05, 59.37 64.94 04/02/2025 07:48:27 70.07, 59.36 64.96 2.83 65
9 04/04/2025 22:24:49 70.23,-159.74 64.12 04/04/2025 22:23:49 70.23,-159.71 64.12 1.59 60
10 04/04/2025 23:14:19 -70.12, 7.74 116.00 04/04/2025 23:14:31 -70.15, 7.72 115.97 3.31 12
11 04/05/2025 00:03:56 69.46, 174.46 63.35 04/05/2025 00:05:04 69.45, 176.09 63.29 63.53 68
12 04/07/2025 14:41:11 70.18, -43.91 63.06 04/07/2025 14:40:36 70.20, -43.86 63.08 2.73 35
13 04/07/2025 15:30:40 -70.13, 123.65 117.01 04/07/2025 15:31:18 -70.12, 123.58 117.02 2.76 38

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/27/2025
SNOs_Map_LANDSAT-8_NPP_20250327.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/27/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP