Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/24/2021
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/25/2021 23:14:29 -70.14, 7.69 123.44 04/25/2021 23:13:55 -70.14, 7.66 123.45 1.60 34
2 04/26/2021 00:03:56 70.04, 175.19 56.45 04/26/2021 00:04:39 70.01, 175.15 56.42 3.20 43
3 04/28/2021 14:41:23 70.45, -43.62 56.02 04/28/2021 14:40:12 70.50, -44.45 56.09 31.09 71
4 04/28/2021 15:30:57 -70.12, 123.53 124.32 04/28/2021 15:30:48 -70.09, 123.50 124.34 2.87 9
5 04/28/2021 16:20:25 69.95, -69.05 55.51 04/28/2021 16:21:32 69.98, -69.01 55.53 2.96 67
6 05/01/2021 06:57:55 70.14, 71.81 54.89 05/01/2021 06:56:58 70.15, 71.88 54.91 3.11 57
7 05/01/2021 07:47:25 -70.03,-120.71 125.23 05/01/2021 07:47:40 -70.05,-120.66 125.20 3.39 15
8 05/01/2021 08:37:04 69.25, 45.88 54.01 05/01/2021 08:38:11 69.25, 47.83 53.96 76.68 67
9 05/03/2021 23:14:22 70.15,-172.29 54.11 05/03/2021 23:13:52 70.17,-172.37 54.13 3.32 30
10 05/04/2021 00:03:52 -70.05, -4.81 126.00 05/04/2021 00:04:33 -70.02, -4.82 126.04 3.27 41
11 05/06/2021 14:41:18 -70.49, 136.44 126.31 05/06/2021 14:40:07 -70.55, 135.49 126.22 35.71 71
12 05/06/2021 15:30:50 70.10, -56.48 53.30 05/06/2021 15:30:44 70.08, -56.46 53.29 2.44 6
13 05/06/2021 16:20:20 -70.00, 111.01 126.81 05/06/2021 16:21:26 -69.98, 111.01 126.83 2.19 66

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/24/2021
SNOs_Map_LANDSAT-8_NPP_20210425.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/24/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP