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: 7/22/2021
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 07/22/2021 22:25:25 -70.12, 20.15 129.98 07/22/2021 22:24:12 -70.11, 20.20 129.98 2.10 73
2 07/22/2021 23:14:52 70.02,-172.35 49.94 07/22/2021 23:14:57 70.03,-172.38 49.96 2.31 5
3 07/23/2021 00:04:24 -69.79, -5.03 130.27 07/23/2021 00:05:36 -69.79, -4.70 130.29 12.37 72
4 07/25/2021 14:41:56 -70.10, 136.00 129.43 07/25/2021 14:41:09 -70.10, 135.97 129.42 1.04 47
5 07/25/2021 15:31:23 69.99, -56.51 50.48 07/25/2021 15:31:53 69.98, -56.53 50.46 1.70 30
6 07/28/2021 06:08:45 70.83, 85.33 51.87 07/28/2021 06:07:37 70.86, 83.20 51.99 77.78 68
7 07/28/2021 06:58:27 -70.07,-108.16 128.85 07/28/2021 06:58:05 -70.04,-108.17 128.87 3.24 22
8 07/28/2021 07:47:55 69.91, 59.25 51.00 07/28/2021 07:48:49 69.92, 59.32 51.01 3.17 54
9 07/30/2021 22:25:28 70.14,-159.82 51.85 07/30/2021 22:24:20 70.12,-159.85 51.85 2.19 68
10 07/30/2021 23:14:58 -70.04, 7.67 128.24 07/30/2021 23:15:02 -70.04, 7.60 128.24 2.78 4
11 07/31/2021 00:04:30 69.65, 174.78 51.40 07/31/2021 00:05:41 69.65, 175.49 51.37 27.42 71
12 08/02/2021 14:41:59 70.05, -44.07 52.44 08/02/2021 14:41:15 70.07, -44.00 52.47 3.47 44
13 08/02/2021 15:31:29 -69.95, 123.43 127.65 08/02/2021 15:31:57 -69.98, 123.46 127.63 2.96 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/22/2021
SNOs_Map_LANDSAT-8_NPP_20210722.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/22/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP