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: 4/29/2021
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 05/01/2021 06:57:55 70.16, 71.83 54.91 05/01/2021 06:57:01 70.16, 71.85 54.92 0.91 54
2 05/01/2021 07:47:25 -70.04,-120.69 125.22 05/01/2021 07:47:42 -70.02,-120.62 125.24 3.52 17
3 05/01/2021 08:37:06 69.16, 45.76 53.93 05/01/2021 08:38:12 69.16, 47.95 53.87 86.51 66
4 05/03/2021 23:14:23 70.12,-172.34 54.08 05/03/2021 23:13:58 70.14,-172.35 54.10 2.54 25
5 05/04/2021 00:03:53 -70.01, -4.87 126.04 05/04/2021 00:04:39 -69.99, -4.81 126.06 2.41 46
6 05/06/2021 14:41:22 -70.24, 136.06 126.56 05/06/2021 14:40:10 -70.23, 135.96 126.56 3.73 72
7 05/06/2021 15:30:50 70.07, -56.53 53.27 05/06/2021 15:30:53 70.06, -56.47 53.26 2.28 3
8 05/06/2021 16:20:21 -69.91, 110.88 126.90 05/06/2021 16:21:34 -69.91, 111.07 126.90 7.39 73
9 05/09/2021 06:57:51 -70.13,-108.21 127.39 05/09/2021 06:57:06 -70.15,-108.15 127.37 2.87 45
10 05/09/2021 07:47:18 70.02, 59.28 52.49 05/09/2021 07:47:50 70.04, 59.32 52.52 3.15 32
11 05/11/2021 22:24:40 70.67,-159.16 52.46 05/11/2021 22:23:30 70.71,-160.59 52.53 52.69 70
12 05/11/2021 23:14:18 -70.13, 7.68 128.08 05/11/2021 23:14:03 -70.13, 7.64 128.08 1.44 15
13 05/12/2021 00:03:45 70.02, 175.16 51.80 05/12/2021 00:04:47 70.03, 175.11 51.81 2.07 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/29/2021
SNOs_Map_LANDSAT-8_NPP_20210430.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/29/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP