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: 4/16/2023
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 04/17/2023 04:53:25 70.46, 103.15 60.01 04/17/2023 04:54:32 70.47, 103.22 60.01 2.83 67
2 04/17/2023 05:44:06 -70.32, -89.32 120.15 04/17/2023 05:44:02 -70.36, -89.32 120.11 3.72 4
3 04/17/2023 06:34:45 69.94, 78.58 59.45 04/17/2023 06:33:33 70.04, 77.87 59.57 29.03 72
4 04/19/2023 21:10:16 70.43,-141.03 59.05 04/19/2023 21:11:01 70.42,-140.98 59.03 2.06 45
5 04/19/2023 22:00:57 -70.29, 26.50 121.12 04/19/2023 22:00:31 -70.31, 26.49 121.09 2.39 26
6 04/22/2023 13:27:07 70.36, -25.15 58.06 04/22/2023 13:27:30 70.39, -25.16 58.08 3.18 23
7 04/22/2023 14:17:49 -70.27, 142.31 122.05 04/22/2023 14:17:00 -70.28, 142.32 122.04 1.19 49
8 04/25/2023 04:53:18 -70.62, -77.09 122.56 04/25/2023 04:54:30 -70.53, -76.71 122.66 16.80 72
9 04/25/2023 05:43:59 70.35, 90.64 57.16 04/25/2023 05:43:58 70.37, 90.69 57.17 2.52 1
10 04/25/2023 06:34:41 -70.26,-101.90 122.95 04/25/2023 06:33:28 -70.26,-101.83 122.95 2.54 73
11 04/27/2023 21:10:06 -70.41, 39.02 123.64 04/27/2023 21:10:59 -70.42, 39.00 123.63 1.42 53
12 04/27/2023 22:00:50 70.31,-153.51 56.25 04/27/2023 22:00:26 70.31,-153.52 56.25 0.29 24

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/16/2023
SNOs_Map_NPP_LANDSAT-9_20230416.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/16/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9