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: 5/2/2021
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 05/03/2021 23:14:23 70.11,-172.35 54.07 05/03/2021 23:13:58 70.14,-172.35 54.10 3.10 25
2 05/04/2021 00:03:53 -70.00, -4.88 126.05 05/04/2021 00:04:39 -70.00, -4.82 126.06 2.34 46
3 05/06/2021 14:41:24 -70.17, 135.97 126.62 05/06/2021 14:40:10 -70.17, 136.05 126.62 3.00 74
4 05/06/2021 15:30:51 70.06, -56.54 53.26 05/06/2021 15:30:54 70.06, -56.47 53.26 2.84 3
5 05/06/2021 16:20:22 -69.90, 110.86 126.91 05/06/2021 16:21:35 -69.91, 111.07 126.90 8.11 73
6 05/09/2021 06:57:50 -70.18,-108.14 127.35 05/09/2021 06:57:06 -70.14,-108.15 127.37 3.60 44
7 05/09/2021 07:47:18 70.01, 59.27 52.49 05/09/2021 07:47:50 70.03, 59.33 52.51 3.53 32
8 05/11/2021 22:24:40 70.67,-159.18 52.45 05/11/2021 22:23:30 70.69,-160.57 52.52 51.36 70
9 05/11/2021 23:14:18 -70.12, 7.66 128.09 05/11/2021 23:14:03 -70.12, 7.66 128.09 0.54 15
10 05/12/2021 00:03:45 70.01, 175.15 51.79 05/12/2021 00:04:47 70.01, 175.13 51.79 0.61 62
11 05/14/2021 14:41:15 70.22, -43.95 51.36 05/14/2021 14:40:18 70.20, -44.02 51.35 3.56 57
12 05/14/2021 15:30:46 -70.06, 123.46 128.80 05/14/2021 15:31:00 -70.09, 123.46 128.77 3.44 14
13 05/14/2021 16:20:24 69.34, -69.88 50.49 05/14/2021 16:21:32 69.35, -68.14 50.46 68.47 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/2/2021
SNOs_Map_LANDSAT-8_NPP_20210502.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/02/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP