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: 5/24/2023
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 05/24/2023 13:26:37 70.39, -25.17 49.53 05/24/2023 13:27:08 70.39, -25.15 49.53 0.83 31
2 05/24/2023 14:17:19 -70.30, 142.29 130.58 05/24/2023 14:16:38 -70.27, 142.31 130.60 2.71 41
3 05/27/2023 04:52:52 -70.80, -77.37 130.51 05/27/2023 04:54:03 -70.69, -76.47 130.66 35.57 71
4 05/27/2023 05:43:29 70.33, 90.69 48.99 05/27/2023 05:43:35 70.31, 90.62 48.97 3.61 6
5 05/27/2023 06:34:11 -70.24,-101.84 131.11 05/27/2023 06:33:04 -70.25,-101.84 131.10 1.47 67
6 05/29/2023 21:09:37 -70.44, 38.99 131.32 05/29/2023 21:10:32 -70.42, 39.02 131.35 2.28 55
7 05/29/2023 22:00:21 70.33,-153.54 48.57 05/29/2023 21:59:59 70.31,-153.49 48.55 2.90 22
8 05/29/2023 22:50:49 -69.50, 15.03 132.30 05/29/2023 22:49:41 -69.54, 13.06 132.21 76.85 68
9 06/01/2023 13:26:29 -70.39, 154.84 131.75 06/01/2023 13:26:57 -70.40, 154.88 131.75 1.74 28
10 06/01/2023 14:17:13 70.29, -37.70 48.14 06/01/2023 14:16:24 70.29, -37.64 48.14 2.29 49
11 06/04/2023 04:52:40 70.51, 103.11 48.04 06/04/2023 04:53:52 70.46, 103.23 47.98 7.38 72
12 06/04/2023 05:43:21 -70.35, -89.33 132.13 06/04/2023 05:43:22 -70.35, -89.30 132.13 1.33 1
13 06/04/2023 06:34:03 70.15, 78.29 47.66 06/04/2023 06:32:50 70.18, 78.10 47.70 8.00 73
14 06/06/2023 21:09:31 70.43,-140.99 47.67 06/06/2023 21:10:16 70.43,-140.91 47.67 2.97 45
15 06/06/2023 22:00:13 -70.32, 26.49 132.45 06/06/2023 21:59:46 -70.33, 26.56 132.44 2.86 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/24/2023
SNOs_Map_NPP_LANDSAT-9_20230524.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9