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: 12/14/2023
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 12/15/2023 22:49:43 70.11,-166.01 93.31 12/15/2023 22:50:28 70.11,-166.09 93.31 3.04 45
2 12/15/2023 23:40:25 -70.02, 1.44 86.78 12/15/2023 23:39:58 -70.00, 1.39 86.80 2.80 27
3 12/18/2023 15:06:35 70.13, -50.26 93.44 12/18/2023 15:06:57 70.13, -50.19 93.43 2.91 22
4 12/18/2023 15:57:16 -69.99, 117.27 86.71 12/18/2023 15:56:28 -69.97, 117.22 86.73 2.87 48
5 12/21/2023 06:32:47 -70.42,-102.25 86.22 12/21/2023 06:33:58 -70.35,-101.64 86.31 24.12 71
6 12/21/2023 07:23:26 70.05, 65.63 93.41 12/21/2023 07:23:28 70.08, 65.61 93.43 2.68 2
7 12/21/2023 08:14:08 -69.96,-126.91 86.69 12/21/2023 08:12:58 -69.97,-126.91 86.68 1.28 70
8 12/23/2023 22:49:34 -70.14, 13.98 86.51 12/23/2023 22:50:31 -70.17, 13.97 86.49 2.99 57
9 12/23/2023 23:40:18 70.04,-178.56 93.38 12/23/2023 23:39:58 70.06,-178.54 93.40 2.13 20
10 12/24/2023 00:30:48 -69.30, -10.17 87.37 12/24/2023 00:29:39 -69.35, -11.88 87.29 67.49 69
11 12/26/2023 15:06:26 -70.12, 129.78 86.59 12/26/2023 15:07:01 -70.13, 129.79 86.59 0.65 35
12 12/26/2023 15:57:10 70.03, -62.76 93.31 12/26/2023 15:56:28 70.01, -62.72 93.30 1.90 42

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/14/2023
SNOs_Map_NPP_LANDSAT-9_20231214.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/14/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9