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: 1/14/2025
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 01/14/2025 22:25:31 70.10,-159.95 91.22 01/14/2025 22:24:51 70.10,-159.92 91.22 1.26 40
2 01/14/2025 23:15:01 -69.98, 7.52 88.91 01/14/2025 23:15:33 -69.98, 7.56 88.91 1.75 32
3 01/17/2025 13:52:24 -70.65, 149.09 88.76 01/17/2025 13:51:14 -70.72, 147.55 88.63 57.42 70
4 01/17/2025 14:42:00 70.06, -44.13 90.67 01/17/2025 14:41:47 70.05, -44.08 90.66 1.89 13
5 01/17/2025 15:31:30 -69.94, 123.34 89.45 01/17/2025 15:32:29 -69.94, 123.40 89.47 2.46 59
6 01/20/2025 06:09:01 -70.14, -95.77 89.80 01/20/2025 06:08:00 -70.16, -95.79 89.78 1.93 61
7 01/20/2025 06:58:28 70.04, 71.72 90.09 01/20/2025 06:58:43 70.02, 71.74 90.07 2.34 15
8 01/20/2025 07:48:07 -69.43,-121.47 90.49 01/20/2025 07:49:16 -69.42,-120.07 90.56 54.90 69
9 01/22/2025 22:25:28 -70.09, 20.05 90.45 01/22/2025 22:24:54 -70.08, 20.10 90.46 2.87 34
10 01/22/2025 23:14:55 69.98,-172.46 89.44 01/22/2025 23:15:38 69.99,-172.45 89.44 0.73 43
11 01/25/2025 13:52:23 70.28, -31.42 89.10 01/25/2025 13:51:11 70.34, -31.85 89.18 16.99 72
12 01/25/2025 14:41:55 -70.07, 135.90 91.12 01/25/2025 14:41:50 -70.06, 135.90 91.13 1.20 5
13 01/25/2025 15:31:22 69.96, -56.61 88.77 01/25/2025 15:32:34 69.97, -56.66 88.78 2.55 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/14/2025
SNOs_Map_LANDSAT-8_NPP_20250114.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/14/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP