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: 3/29/2023
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 03/29/2023 13:27:02 -70.30, 154.75 113.15 03/29/2023 13:27:39 -70.32, 154.78 113.14 3.06 37
2 03/29/2023 14:17:46 70.17, -37.74 66.70 03/29/2023 14:17:07 70.16, -37.81 66.70 2.45 39
3 04/01/2023 04:53:21 70.55, 102.80 66.08 04/01/2023 04:54:32 70.50, 103.30 66.01 19.22 71
4 04/01/2023 05:43:59 -70.25, -89.41 114.24 04/01/2023 05:44:04 -70.28, -89.39 114.22 2.45 5
5 04/01/2023 06:34:43 70.13, 78.09 65.62 04/01/2023 06:33:32 70.11, 78.02 65.61 3.25 71
6 04/03/2023 21:10:13 70.31,-141.05 64.80 04/03/2023 21:10:58 70.30,-141.10 64.78 2.56 45
7 04/03/2023 22:00:55 -70.23, 26.40 115.31 04/03/2023 22:00:27 -70.24, 26.45 115.30 2.20 28
8 04/06/2023 12:36:36 -70.94, 166.39 115.56 04/06/2023 12:37:45 -70.87, 168.01 115.68 59.41 69
9 04/06/2023 13:27:09 70.25, -25.18 63.71 04/06/2023 13:27:21 70.27, -25.24 63.73 3.30 12
10 04/06/2023 14:17:51 -70.16, 142.28 116.40 04/06/2023 14:16:51 -70.16, 142.23 116.40 1.89 60
11 04/09/2023 04:53:22 -70.36, -76.89 117.17 04/09/2023 04:54:16 -70.36, -76.84 117.18 1.81 54
12 04/09/2023 05:44:06 70.25, 90.59 62.70 04/09/2023 05:43:43 70.25, 90.63 62.70 1.47 23
13 04/09/2023 06:34:33 -69.36,-100.77 118.23 04/09/2023 06:33:26 -69.42,-102.87 118.11 82.81 67
14 04/11/2023 20:19:50 71.15,-129.74 62.68 04/11/2023 20:20:57 71.01,-127.59 62.47 78.96 67
15 04/11/2023 21:10:18 -70.32, 38.95 118.21 04/11/2023 21:10:38 -70.30, 38.97 118.24 2.75 20
16 04/11/2023 22:01:02 70.21,-153.57 61.67 04/11/2023 22:00:05 70.18,-153.55 61.64 3.43 57

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/29/2023
SNOs_Map_NPP_LANDSAT-9_20230329.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/29/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9