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: 2/16/2024
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 02/17/2024 22:49:54 70.11,-166.10 82.06 02/17/2024 22:50:21 70.09,-166.14 82.03 2.68 27
2 02/17/2024 23:40:36 -70.02, 1.35 98.05 02/17/2024 23:39:50 -70.03, 1.40 98.05 1.58 46
3 02/20/2024 14:16:05 -70.35, 142.00 98.63 02/20/2024 14:17:16 -70.32, 142.42 98.70 16.56 71
4 02/20/2024 15:06:46 70.09, -50.28 81.08 02/20/2024 15:06:45 70.10, -50.24 81.09 2.71 1
5 02/20/2024 15:57:28 -69.99, 117.18 99.04 02/20/2024 15:56:15 -69.99, 117.23 99.04 2.20 73
6 02/23/2024 06:32:55 -70.18,-101.95 99.79 02/23/2024 06:33:43 -70.18,-101.88 99.81 2.66 48
7 02/23/2024 07:23:38 70.02, 65.61 80.03 02/23/2024 07:23:11 70.02, 65.53 80.04 2.69 27
8 02/25/2024 21:59:19 70.95,-154.73 80.06 02/25/2024 22:00:26 70.87,-152.58 79.88 78.85 67
9 02/25/2024 22:49:47 -70.12, 13.92 100.84 02/25/2024 22:50:08 -70.10, 13.91 100.87 2.46 21
10 02/25/2024 23:40:31 70.01,-178.61 79.04 02/25/2024 23:39:35 69.99,-178.60 79.02 2.55 56
11 02/28/2024 14:15:57 70.17, -37.70 78.22 02/28/2024 14:17:01 70.20, -37.67 78.24 3.43 64
12 02/28/2024 15:06:39 -70.08, 129.76 101.90 02/28/2024 15:06:31 -70.09, 129.80 101.89 1.90 8
13 02/28/2024 15:57:15 69.55, -62.14 77.54 02/28/2024 15:56:05 69.59, -63.25 77.64 43.38 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/16/2024
SNOs_Map_NPP_LANDSAT-9_20240216.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/16/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9