Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/25/2024
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 03/26/2024 06:33:05 -70.15,-101.94 112.30 03/26/2024 06:33:45 -70.16,-101.99 112.30 1.88 40
2 03/26/2024 07:23:49 70.07, 65.49 67.61 03/26/2024 07:23:11 70.05, 65.51 67.59 2.66 38
3 03/28/2024 21:59:25 70.55,-154.12 67.08 03/28/2024 22:00:36 70.42,-153.34 66.92 32.02 71
4 03/28/2024 22:50:01 -70.15, 13.82 113.35 03/28/2024 22:50:09 -70.14, 13.89 113.36 2.64 8
5 03/28/2024 23:40:45 70.02,-178.67 66.50 03/28/2024 23:39:36 70.03,-178.62 66.52 2.19 69
6 03/31/2024 14:16:15 70.20, -37.81 65.67 03/31/2024 14:17:04 70.17, -37.81 65.63 3.49 49
7 03/31/2024 15:06:56 -70.06, 129.72 114.49 03/31/2024 15:06:34 -70.06, 129.67 114.49 1.96 22
8 04/03/2024 05:42:40 -70.99, -90.62 114.53 04/03/2024 05:43:48 -70.89, -88.48 114.69 78.58 68
9 04/03/2024 06:33:10 70.13, 78.06 64.57 04/03/2024 06:33:27 70.12, 78.02 64.55 1.97 17
10 04/03/2024 07:23:52 -70.05,-114.49 115.54 04/03/2024 07:22:57 -70.01,-114.49 115.57 3.69 55
11 04/05/2024 21:59:21 -70.20, 26.41 116.37 04/05/2024 22:00:22 -70.18, 26.37 116.41 2.99 61
12 04/05/2024 22:50:05 70.09,-166.11 63.50 04/05/2024 22:49:48 70.11,-166.08 63.52 2.81 17
13 04/05/2024 23:40:36 -69.47, 2.13 117.16 04/05/2024 23:39:26 -69.51, 0.72 117.07 54.86 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/25/2024
SNOs_Map_NPP_LANDSAT-9_20240325.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/25/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9