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: 4/1/2025
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 70.24, 84.33 65.15 04/02/2025 06:07:30 70.24, 84.35 65.16 0.72 64
2 04/02/2025 06:58:04 -70.12,-108.20 114.97 04/02/2025 06:58:11 -70.12,-108.15 114.98 1.83 7
3 04/02/2025 07:47:39 69.58, 58.69 64.50 04/02/2025 07:48:48 69.60, 59.94 64.47 48.35 69
4 04/04/2025 22:25:03 70.21,-159.84 64.09 04/04/2025 22:24:31 70.23,-159.89 64.12 3.12 32
5 04/04/2025 23:14:33 -70.09, 7.63 116.03 04/04/2025 23:15:12 -70.11, 7.62 116.02 1.71 39
6 04/07/2025 13:52:02 -70.41, 148.68 116.72 04/07/2025 13:50:49 -70.43, 148.25 116.68 16.48 73
7 04/07/2025 14:41:31 70.19, -43.98 63.06 04/07/2025 14:41:31 70.18, -44.06 63.06 2.99 0
8 04/07/2025 15:31:01 -70.08, 123.49 117.06 04/07/2025 15:32:12 -70.06, 123.45 117.09 3.08 71
9 04/10/2025 06:08:31 -70.24, -95.67 117.88 04/10/2025 06:07:45 -70.23, -95.69 117.88 1.63 46
10 04/10/2025 06:57:58 70.13, 71.82 62.01 04/10/2025 06:58:30 70.15, 71.75 62.02 2.96 32
11 04/12/2025 21:35:22 70.64,-146.84 61.54 04/12/2025 21:34:11 70.70,-148.01 61.64 43.68 71
12 04/12/2025 22:24:58 -70.20, 20.16 118.90 04/12/2025 22:24:45 -70.20, 20.11 118.90 1.69 13
13 04/12/2025 23:14:25 70.09,-172.36 60.98 04/12/2025 23:15:29 70.07,-172.38 60.96 2.15 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/1/2025
SNOs_Map_LANDSAT-8_NPP_20250401.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/01/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP