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: 3/28/2023
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 -70.32, 154.71 113.13 03/29/2023 13:27:39 -70.30, 154.74 113.16 3.07 37
2 03/29/2023 14:17:46 70.20, -37.78 66.73 03/29/2023 14:17:06 70.19, -37.76 66.73 0.82 40
3 04/01/2023 04:53:21 70.57, 102.76 66.11 04/01/2023 04:54:32 70.48, 103.26 65.99 21.55 71
4 04/01/2023 05:43:59 -70.28, -89.45 114.22 04/01/2023 05:44:04 -70.25, -89.43 114.25 3.11 5
5 04/01/2023 06:34:43 70.15, 78.05 65.64 04/01/2023 06:33:31 70.14, 78.06 65.64 1.34 72
6 04/03/2023 21:10:14 70.33,-141.09 64.82 04/03/2023 21:10:58 70.33,-141.06 64.81 1.33 44
7 04/03/2023 22:00:55 -70.19, 26.45 115.34 04/03/2023 22:00:28 -70.21, 26.41 115.32 2.71 27
8 04/06/2023 12:36:37 -70.96, 166.36 115.54 04/06/2023 12:37:46 -70.85, 167.98 115.70 59.88 69
9 04/06/2023 13:27:10 70.26, -25.20 63.73 04/06/2023 13:27:21 70.30, -25.20 63.76 3.65 11
10 04/06/2023 14:17:52 -70.17, 142.25 116.38 04/06/2023 14:16:51 -70.19, 142.28 116.37 1.64 61
11 04/09/2023 04:53:21 -70.32, -76.83 117.21 04/09/2023 04:54:16 -70.34, -76.88 117.20 2.72 55
12 04/09/2023 05:44:05 70.21, 90.66 62.66 04/09/2023 05:43:43 70.22, 90.60 62.68 2.76 22

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/28/2023
SNOs_Map_NPP_LANDSAT-9_20230328.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/28/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9