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: 2/9/2023
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 02/09/2023 14:17:09 70.18, -37.76 84.85 02/09/2023 14:17:40 70.19, -37.80 84.86 1.92 31
2 02/09/2023 15:07:51 -70.09, 129.70 95.26 02/09/2023 15:07:10 -70.08, 129.67 95.27 1.92 41
3 02/12/2023 05:43:26 -70.59, -89.93 95.59 02/12/2023 05:44:38 -70.48, -89.15 95.74 31.39 72
4 02/12/2023 06:34:04 70.16, 78.05 83.96 02/12/2023 06:34:09 70.15, 78.02 83.95 1.46 5
5 02/12/2023 07:24:46 -70.07,-114.49 96.16 02/12/2023 07:23:39 -70.04,-114.50 96.18 3.21 67
6 02/14/2023 22:00:14 -70.21, 26.45 96.89 02/14/2023 22:01:10 -70.23, 26.37 96.88 3.50 56
7 02/14/2023 22:50:58 70.10,-166.08 82.99 02/14/2023 22:50:37 70.12,-166.14 83.02 3.04 21
8 02/14/2023 23:41:27 -69.32, 2.40 97.85 02/14/2023 23:40:19 -69.35, 0.44 97.72 77.02 68
9 02/17/2023 14:17:09 -70.22, 142.22 97.81 02/17/2023 14:17:37 -70.21, 142.23 97.82 0.45 28
10 02/17/2023 15:07:52 70.11, -50.31 82.07 02/17/2023 15:07:03 70.10, -50.28 82.07 1.35 49
11 02/20/2023 05:43:21 70.33, 90.50 81.38 02/20/2023 05:44:32 70.31, 90.63 81.34 5.47 71
12 02/20/2023 06:34:02 -70.18,-101.94 98.80 02/20/2023 06:34:03 -70.15,-101.97 98.83 3.20 1
13 02/20/2023 07:24:44 69.97, 65.69 80.97 02/20/2023 07:23:31 69.98, 65.44 81.00 9.57 73
14 02/22/2023 22:00:14 70.26,-153.60 80.33 02/22/2023 22:00:58 70.26,-153.55 80.32 1.71 44
15 02/22/2023 22:50:56 -70.15, 13.88 99.80 02/22/2023 22:50:28 -70.15, 13.93 99.80 1.81 28

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/9/2023
SNOs_Map_NPP_LANDSAT-9_20230209.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/09/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9