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: 4/7/2025
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 04/07/2025 13:52:01 -70.39, 148.67 116.73 04/07/2025 13:50:48 -70.42, 148.26 116.68 15.53 73
2 04/07/2025 14:41:30 70.18, -43.99 63.06 04/07/2025 14:41:30 70.17, -44.04 63.05 2.56 0
3 04/07/2025 15:31:00 -70.07, 123.47 117.07 04/07/2025 15:32:11 -70.05, 123.46 117.09 1.87 71
4 04/10/2025 06:08:31 -70.20, -95.72 117.91 04/10/2025 06:07:45 -70.23, -95.69 117.88 3.07 46
5 04/10/2025 06:57:58 70.10, 71.77 61.98 04/10/2025 06:58:29 70.08, 71.84 61.96 3.15 31
6 04/12/2025 21:35:21 70.63,-146.85 61.53 04/12/2025 21:34:10 70.65,-147.92 61.59 39.48 71
7 04/12/2025 22:24:57 -70.18, 20.13 118.92 04/12/2025 22:24:45 -70.21, 20.10 118.89 2.75 12
8 04/12/2025 23:14:24 70.08,-172.37 60.97 04/12/2025 23:15:29 70.07,-172.38 60.96 0.82 65
9 04/15/2025 13:51:53 70.23, -31.55 60.17 04/15/2025 13:51:02 70.23, -31.49 60.18 2.29 51
10 04/15/2025 14:41:22 -70.17, 136.01 119.90 04/15/2025 14:41:44 -70.15, 135.96 119.92 3.21 22
11 04/18/2025 05:18:38 -70.93, -82.25 120.08 04/18/2025 05:17:29 -70.99, -84.27 119.96 73.65 69
12 04/18/2025 06:08:16 70.21, 84.33 59.22 04/18/2025 06:08:00 70.18, 84.34 59.19 3.36 16
13 04/18/2025 06:57:46 -70.10,-108.19 120.91 04/18/2025 06:58:42 -70.10,-108.21 120.92 1.11 56
14 04/20/2025 21:35:13 -70.27, 32.67 121.65 04/20/2025 21:34:15 -70.27, 32.65 121.63 0.82 58
15 04/20/2025 22:24:40 70.15,-159.86 58.23 04/20/2025 22:24:59 70.16,-159.86 58.24 0.27 19

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/7/2025
SNOs_Map_LANDSAT-8_NPP_20250407.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/07/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP