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: 7/21/2021
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 22:25:26 -70.10, 20.12 129.99 07/22/2021 22:24:13 -70.12, 20.17 129.96 3.09 73
2 07/22/2021 23:14:53 70.00,-172.38 49.92 07/22/2021 23:14:57 70.00,-172.33 49.92 1.89 4
3 07/23/2021 00:04:24 -69.83, -4.97 130.23 07/23/2021 00:05:37 -69.81, -4.73 130.28 9.79 73
4 07/25/2021 14:41:57 -70.08, 135.97 129.45 07/25/2021 14:41:09 -70.06, 136.03 129.46 2.98 48
5 07/25/2021 15:31:24 69.97, -56.53 50.46 07/25/2021 15:31:54 69.99, -56.55 50.48 2.20 30
6 07/28/2021 06:08:45 70.81, 85.30 51.85 07/28/2021 06:07:37 70.88, 83.18 52.01 77.89 68
7 07/28/2021 06:58:27 -70.05,-108.18 128.87 07/28/2021 06:58:05 -70.05,-108.19 128.86 0.30 22
8 07/28/2021 07:47:54 69.94, 59.30 51.04 07/28/2021 07:48:49 69.93, 59.30 51.02 1.24 55
9 07/30/2021 22:25:28 70.12,-159.84 51.84 07/30/2021 22:24:20 70.14,-159.87 51.86 1.64 68
10 07/30/2021 23:14:58 -70.03, 7.65 128.25 07/30/2021 23:15:02 -70.05, 7.59 128.23 3.33 4
11 07/31/2021 00:04:30 69.64, 174.76 51.39 07/31/2021 00:05:41 69.66, 175.47 51.38 27.74 71
12 08/02/2021 14:41:59 70.09, -44.01 52.48 08/02/2021 14:41:16 70.08, -44.02 52.48 1.27 43
13 08/02/2021 15:31:29 -69.99, 123.49 127.61 08/02/2021 15:31:58 -69.99, 123.44 127.62 1.90 29

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/21/2021
SNOs_Map_LANDSAT-8_NPP_20210721.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/21/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP