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: 10/12/2024
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 10/12/2024 07:22:23 -70.10,-114.36 102.40 10/12/2024 07:23:06 -70.08,-114.35 102.42 2.32 43
2 10/12/2024 08:13:07 69.98, 53.13 77.50 10/12/2024 08:12:33 69.97, 53.15 77.49 1.25 34
3 10/14/2024 22:48:50 70.76,-166.98 79.26 10/14/2024 22:49:58 70.69,-165.21 79.18 65.23 68
4 10/14/2024 23:39:20 -70.04, 1.49 101.46 10/14/2024 23:39:38 -70.04, 1.47 101.47 0.96 18
5 10/15/2024 00:30:04 69.92, 168.97 78.44 10/15/2024 00:29:05 69.92, 168.95 78.44 0.78 59
6 10/17/2024 15:05:35 70.10, -50.17 79.58 10/17/2024 15:06:38 70.09, -50.21 79.56 2.76 63
7 10/17/2024 15:56:17 -70.01, 117.29 100.51 10/17/2024 15:56:08 -69.98, 117.28 100.53 3.09 9
8 10/17/2024 16:46:52 69.42, -74.53 78.92 10/17/2024 16:45:42 69.48, -75.77 78.98 49.08 70
9 10/20/2024 07:22:31 70.06, 65.67 80.50 10/20/2024 07:23:05 70.08, 65.67 80.52 2.31 34
10 10/20/2024 08:13:13 -69.96,-126.87 99.59 10/20/2024 08:12:35 -69.98,-126.84 99.58 2.05 38
11 10/22/2024 22:48:48 -70.47, 13.48 98.16 10/22/2024 22:49:59 -70.35, 14.32 98.28 33.91 71
12 10/22/2024 23:39:25 69.99,-178.46 81.38 10/22/2024 23:39:30 70.01,-178.53 81.39 3.20 5
13 10/23/2024 00:30:07 -69.90, -11.01 98.71 10/23/2024 00:29:00 -69.91, -11.04 98.70 1.79 67
14 10/25/2024 15:05:36 -70.07, 129.88 97.64 10/25/2024 15:06:27 -70.06, 129.80 97.65 3.24 51
15 10/25/2024 15:56:20 69.96, -62.64 82.27 10/25/2024 15:55:53 69.98, -62.65 82.29 3.14 27

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/12/2024
SNOs_Map_NPP_LANDSAT-9_20241012.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/12/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9