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: 10/5/2023
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 10/07/2023 14:16:06 70.20, -37.61 75.64 10/07/2023 14:17:17 70.21, -37.68 75.65 2.92 71
2 10/07/2023 15:06:48 -70.10, 129.85 104.45 10/07/2023 15:06:47 -70.10, 129.80 104.45 1.88 1
3 10/07/2023 15:57:29 69.84, -62.44 75.30 10/07/2023 15:56:16 69.88, -62.86 75.35 16.89 73
4 10/10/2023 06:32:56 70.16, 78.23 76.62 10/10/2023 06:33:47 70.19, 78.17 76.64 3.30 51
5 10/10/2023 07:23:38 -70.07,-114.31 103.46 10/10/2023 07:23:17 -70.08,-114.35 103.45 1.94 21
6 10/10/2023 08:14:05 69.06, 54.46 75.54 10/10/2023 08:12:59 69.14, 52.02 75.63 97.19 66
7 10/12/2023 22:49:45 70.14,-165.96 77.61 10/12/2023 22:50:15 70.17,-165.96 77.64 3.45 30
8 10/12/2023 23:40:27 -70.05, 1.51 102.48 10/12/2023 23:39:45 -70.07, 1.52 102.46 2.72 42
9 10/15/2023 14:16:00 -70.71, 141.63 100.84 10/15/2023 14:17:10 -70.61, 142.93 100.94 48.88 70
10 10/15/2023 15:06:35 70.13, -50.16 78.60 10/15/2023 15:06:44 70.12, -50.16 78.58 1.94 9
11 10/15/2023 15:57:17 -70.04, 117.31 101.49 10/15/2023 15:56:14 -70.02, 117.33 101.51 2.48 63
12 10/18/2023 06:32:40 -70.19,-101.76 100.38 10/18/2023 06:33:45 -70.19,-101.81 100.38 1.94 65
13 10/18/2023 07:23:24 70.09, 65.70 79.54 10/18/2023 07:23:12 70.07, 65.67 79.52 1.95 12
14 10/18/2023 08:13:59 -69.62,-126.28 100.93 10/18/2023 08:12:48 -69.64,-127.30 100.91 39.35 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/5/2023
SNOs_Map_NPP_LANDSAT-9_20231005.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/05/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9