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: 4/3/2025
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 04/04/2025 22:25:03 70.19,-159.86 64.08 04/04/2025 22:24:30 70.18,-159.81 64.07 2.34 33
2 04/04/2025 23:14:33 -70.08, 7.62 116.04 04/04/2025 23:15:11 -70.06, 7.69 116.07 3.42 38
3 04/07/2025 13:52:02 -70.38, 148.65 116.75 04/07/2025 13:50:49 -70.44, 148.23 116.66 16.81 73
4 04/07/2025 14:41:31 70.16, -44.02 63.04 04/07/2025 14:41:30 70.14, -43.99 63.01 3.15 1
5 04/07/2025 15:31:01 -70.05, 123.45 117.09 04/07/2025 15:32:12 -70.07, 123.43 117.08 1.94 71
6 04/10/2025 06:08:30 -70.25, -95.66 117.87 04/10/2025 06:07:45 -70.25, -95.71 117.86 2.16 45
7 04/10/2025 06:57:58 70.09, 71.75 61.96 04/10/2025 06:58:29 70.11, 71.81 61.98 3.24 31
8 04/12/2025 21:35:21 70.62,-146.86 61.52 04/12/2025 21:34:10 70.68,-147.96 61.61 41.10 71
9 04/12/2025 22:24:57 -70.18, 20.14 118.92 04/12/2025 22:24:44 -70.18, 20.15 118.92 1.27 13
10 04/12/2025 23:14:24 70.07,-172.38 60.97 04/12/2025 23:15:29 70.09,-172.41 60.98 2.86 65
11 04/15/2025 13:51:53 70.23, -31.53 60.18 04/15/2025 13:51:02 70.25, -31.53 60.21 2.30 51
12 04/15/2025 14:41:23 -70.13, 135.95 119.94 04/15/2025 14:41:43 -70.12, 136.00 119.95 2.36 20

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/3/2025
SNOs_Map_LANDSAT-8_NPP_20250403.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/03/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP