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: 3/31/2025
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 04/02/2025 06:08:34 70.25, 84.35 65.17 04/02/2025 06:07:31 70.27, 84.29 65.20 3.03 63
2 04/02/2025 06:58:04 -70.14,-108.17 114.96 04/02/2025 06:58:12 -70.15,-108.21 114.94 1.85 8
3 04/02/2025 07:47:39 69.60, 58.71 64.51 04/02/2025 07:48:48 69.58, 59.96 64.45 48.36 69
4 04/04/2025 22:25:03 70.22,-159.82 64.11 04/04/2025 22:24:31 70.21,-159.86 64.11 1.98 32
5 04/04/2025 23:14:33 -70.11, 7.66 116.01 04/04/2025 23:15:12 -70.09, 7.65 116.04 2.41 39
6 04/07/2025 13:52:02 -70.36, 148.62 116.76 04/07/2025 13:50:49 -70.46, 148.19 116.64 19.25 73
7 04/07/2025 14:41:31 70.14, -44.05 63.02 04/07/2025 14:41:30 70.16, -44.03 63.04 2.15 1
8 04/07/2025 15:31:01 -70.04, 123.43 117.10 04/07/2025 15:32:11 -70.04, 123.48 117.11 1.78 70
9 04/10/2025 06:08:31 -70.25, -95.66 117.87 04/10/2025 06:07:46 -70.26, -95.74 117.85 3.31 45
10 04/10/2025 06:57:58 70.13, 71.82 62.01 04/10/2025 06:58:30 70.13, 71.78 62.00 1.77 32
11 04/12/2025 21:35:22 70.63,-146.85 61.53 04/12/2025 21:34:11 70.68,-147.98 61.62 42.05 71
12 04/12/2025 22:24:58 -70.20, 20.15 118.91 04/12/2025 22:24:45 -70.18, 20.14 118.92 1.59 13
13 04/12/2025 23:14:25 70.08,-172.37 60.97 04/12/2025 23:15:29 70.05,-172.35 60.94 3.32 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2025
SNOs_Map_LANDSAT-8_NPP_20250331.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/31/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP