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: 1/30/2023
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 02/01/2023 14:17:07 -70.20, 142.21 92.71 02/01/2023 14:17:40 -70.18, 142.20 92.73 1.82 33
2 02/01/2023 15:07:51 70.09, -50.31 87.17 02/01/2023 15:07:07 70.08, -50.30 87.17 0.79 44
3 02/04/2023 05:43:25 70.56, 90.10 86.91 02/04/2023 05:44:36 70.49, 90.88 86.79 30.23 71
4 02/04/2023 06:34:01 -70.14,-101.93 93.55 02/04/2023 06:34:10 -70.16,-101.96 93.53 2.00 9
5 02/04/2023 07:24:45 70.04, 65.54 86.33 02/04/2023 07:23:37 70.06, 65.54 86.36 2.19 68
6 02/06/2023 22:00:15 70.25,-153.64 85.77 02/06/2023 22:01:11 70.22,-153.63 85.73 3.25 56
7 02/06/2023 22:50:56 -70.10, 13.92 94.41 02/06/2023 22:50:41 -70.12, 13.85 94.39 3.29 15
8 02/06/2023 23:41:27 69.30,-177.60 84.75 02/06/2023 23:40:19 69.40,-179.49 84.93 75.02 68
9 02/09/2023 14:17:10 70.21, -37.80 84.89 02/09/2023 14:17:41 70.21, -37.78 84.87 1.11 31
10 02/09/2023 15:07:52 -70.11, 129.67 95.24 02/09/2023 15:07:11 -70.10, 129.70 95.24 1.34 41
11 02/12/2023 05:43:28 -70.65, -90.03 95.52 02/12/2023 05:44:39 -70.56, -89.04 95.67 37.98 71
12 02/12/2023 06:34:05 70.18, 78.02 83.98 02/12/2023 06:34:11 70.17, 78.05 83.96 1.47 6
13 02/12/2023 07:24:47 -70.08,-114.50 96.15 02/12/2023 07:23:41 -70.07,-114.47 96.15 1.37 66

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/30/2023
SNOs_Map_NPP_LANDSAT-9_20230130.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/30/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9