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: 12/13/2023
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 12/13/2023 06:32:51 70.17, 78.12 93.21 12/13/2023 06:33:56 70.16, 78.11 93.20 0.52 65
2 12/13/2023 07:23:32 -70.03,-114.35 86.94 12/13/2023 07:23:26 -70.05,-114.42 86.92 3.27 6
3 12/13/2023 08:14:10 69.59, 53.61 92.63 12/13/2023 08:12:59 69.62, 52.63 92.67 38.03 71
4 12/15/2023 22:49:43 70.13,-166.04 93.33 12/15/2023 22:50:27 70.14,-166.05 93.34 1.56 44
5 12/15/2023 23:40:25 -70.04, 1.41 86.76 12/15/2023 23:39:57 -70.03, 1.43 86.77 1.30 28
6 12/18/2023 15:06:35 70.10, -50.21 93.40 12/18/2023 15:06:58 70.10, -50.23 93.40 0.74 23
7 12/18/2023 15:57:17 -70.01, 117.24 86.69 12/18/2023 15:56:28 -69.99, 117.25 86.71 1.50 49
8 12/21/2023 06:32:47 -70.39,-102.19 86.25 12/21/2023 06:33:59 -70.31,-101.70 86.35 20.59 72
9 12/21/2023 07:23:27 70.07, 65.61 93.43 12/21/2023 07:23:28 70.09, 65.63 93.44 2.13 1
10 12/21/2023 08:14:09 -69.98,-126.93 86.67 12/21/2023 08:12:58 -69.99,-126.88 86.66 2.14 71
11 12/23/2023 22:49:34 -70.16, 13.95 86.50 12/23/2023 22:50:30 -70.17, 13.98 86.49 1.97 56
12 12/23/2023 23:40:18 70.05,-178.58 93.40 12/23/2023 23:39:57 70.06,-178.54 93.41 1.89 21
13 12/24/2023 00:30:47 -69.27, -10.11 87.41 12/24/2023 00:29:38 -69.35, -11.87 87.29 69.66 69
14 12/26/2023 15:06:26 -70.14, 129.76 86.57 12/26/2023 15:07:00 -70.12, 129.79 86.60 2.57 34
15 12/26/2023 15:57:09 69.99, -62.70 93.28 12/26/2023 15:56:27 70.00, -62.73 93.29 1.98 42

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/13/2023
SNOs_Map_NPP_LANDSAT-9_20231213.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/13/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9