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: 3/3/2024
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 03/04/2024 22:49:42 70.15,-166.10 76.14 03/04/2024 22:50:19 70.17,-166.07 76.15 2.67 37
2 03/04/2024 23:40:24 -70.07, 1.34 103.97 03/04/2024 23:39:49 -70.05, 1.41 103.98 2.75 35
3 03/07/2024 14:16:03 -70.92, 141.14 104.09 03/07/2024 14:17:11 -70.84, 143.17 104.25 74.31 68
4 03/07/2024 15:06:34 70.12, -50.27 75.06 03/07/2024 15:06:49 70.14, -50.23 75.07 2.93 15
5 03/07/2024 15:57:16 -70.03, 117.17 105.05 03/07/2024 15:56:19 -70.03, 117.25 105.05 2.89 57
6 03/10/2024 06:32:41 -70.21,-101.95 105.89 03/10/2024 06:33:51 -70.19,-101.92 105.92 2.48 70
7 03/10/2024 07:23:25 70.10, 65.54 73.98 03/10/2024 07:23:18 70.08, 65.57 73.97 1.83 7
8 03/10/2024 08:14:03 -69.80,-126.69 106.35 03/10/2024 08:12:50 -69.87,-127.10 106.26 17.37 73
9 03/12/2024 22:49:32 -70.15, 13.94 107.02 03/12/2024 22:50:20 -70.17, 13.92 107.00 2.43 48
10 03/12/2024 23:40:16 70.03,-178.58 72.86 03/12/2024 23:39:47 70.06,-178.60 72.88 2.54 29
11 03/15/2024 14:15:59 71.12, -39.18 72.97 03/15/2024 14:17:05 70.98, -36.62 72.73 93.82 66
12 03/15/2024 15:06:24 -70.14, 129.73 108.08 03/15/2024 15:06:49 -70.12, 129.72 108.12 3.06 25
13 03/15/2024 15:57:08 70.03, -62.79 71.79 03/15/2024 15:56:16 70.00, -62.80 71.76 3.54 52

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/3/2024
SNOs_Map_NPP_LANDSAT-9_20240303.jpg

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

Historial Predications of SNOs between NPP and LANDSAT-9