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: 1/10/2023
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 01/11/2023 05:43:19 -70.96, -90.57 87.19 01/11/2023 05:44:27 -70.86, -88.52 87.37 75.18 68
2 01/11/2023 06:33:50 70.16, 78.03 91.97 01/11/2023 06:34:05 70.15, 78.08 91.96 1.94 15
3 01/11/2023 07:24:31 -70.02,-114.43 88.19 01/11/2023 07:23:35 -70.04,-114.45 88.16 2.68 56
4 01/13/2023 22:00:03 -70.25, 26.36 88.37 01/13/2023 22:01:06 -70.23, 26.44 88.40 3.28 63
5 01/13/2023 22:50:46 70.08,-166.08 91.45 01/13/2023 22:50:34 70.07,-166.15 91.45 3.09 12
6 01/13/2023 23:41:21 -69.62, 1.93 89.04 01/13/2023 23:40:10 -69.63, 0.87 88.98 41.18 71
7 01/16/2023 14:16:58 -70.17, 142.24 88.93 01/16/2023 14:17:33 -70.18, 142.25 88.93 1.58 35
8 01/16/2023 15:07:42 70.06, -50.28 90.95 01/16/2023 15:07:00 70.07, -50.27 90.97 1.50 42
9 01/19/2023 05:43:17 70.46, 90.23 90.86 01/19/2023 05:44:28 70.37, 90.78 90.74 22.82 71
10 01/19/2023 06:33:55 -70.15,-101.96 89.48 01/19/2023 06:34:00 -70.16,-101.90 89.48 2.64 5
11 01/19/2023 07:24:39 70.04, 65.51 90.41 01/19/2023 07:23:27 70.04, 65.59 90.41 2.79 72
12 01/21/2023 22:00:09 70.20,-153.57 90.01 01/21/2023 22:00:57 70.21,-153.56 90.01 1.70 48
13 01/21/2023 22:50:51 -70.09, 13.90 90.12 01/21/2023 22:50:27 -70.11, 13.92 90.10 2.01 24

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/10/2023
SNOs_Map_NPP_LANDSAT-9_20230110.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9