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: 3/25/2025
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 03/25/2025 06:08:33 -70.45, -95.36 111.52 03/25/2025 06:07:21 -70.49, -96.00 111.45 24.46 72
2 03/25/2025 06:58:04 70.12, 71.82 68.16 03/25/2025 06:58:01 70.14, 71.85 68.17 1.90 3
3 03/25/2025 07:47:34 -70.01,-120.71 111.97 03/25/2025 07:48:42 -70.03,-120.66 111.96 2.41 68
4 03/27/2025 22:25:03 -70.24, 20.23 112.77 03/27/2025 22:24:05 -70.23, 20.19 112.77 1.69 58
5 03/27/2025 23:14:31 70.08,-172.36 67.06 03/27/2025 23:14:49 70.10,-172.29 67.08 3.26 18
6 03/28/2025 00:04:11 -69.42, -5.63 113.58 03/28/2025 00:05:19 -69.40, -3.94 113.66 66.25 68
7 03/30/2025 14:41:30 -70.19, 136.04 113.87 03/30/2025 14:40:54 -70.21, 136.03 113.84 2.55 36
8 03/30/2025 15:30:57 70.08, -56.48 66.01 03/30/2025 15:31:38 70.08, -56.46 66.01 0.70 41
9 04/02/2025 06:08:19 70.61, 84.91 65.51 04/02/2025 06:07:08 70.65, 83.82 65.59 40.39 71
10 04/02/2025 06:57:55 -70.17,-108.09 114.93 04/02/2025 06:57:42 -70.16,-108.08 114.94 1.97 13
11 04/02/2025 07:47:22 70.06, 59.39 64.95 04/02/2025 07:48:27 70.08, 59.34 64.97 3.07 65
12 04/04/2025 22:24:49 70.25,-159.72 64.13 04/04/2025 22:23:49 70.24,-159.73 64.14 0.49 60
13 04/04/2025 23:14:19 -70.14, 7.76 115.99 04/04/2025 23:14:30 -70.12, 7.78 116.01 2.56 11
14 04/05/2025 00:03:56 69.47, 174.48 63.36 04/05/2025 00:05:04 69.46, 176.06 63.30 61.78 68
15 04/07/2025 14:41:11 70.20, -43.89 63.07 04/07/2025 14:40:35 70.18, -43.82 63.06 3.26 36
16 04/07/2025 15:30:41 -70.09, 123.59 117.05 04/07/2025 15:31:17 -70.10, 123.61 117.04 1.33 36

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/25/2025
SNOs_Map_LANDSAT-8_NPP_20250325.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/25/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP