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: 7/20/2019
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 07/23/2019 06:08:43 70.75, 85.22 50.59 07/23/2019 06:07:34 70.78, 83.38 50.70 67.55 69
2 07/23/2019 06:58:24 -70.04,-108.19 130.08 07/23/2019 06:58:04 -70.07,-108.17 130.05 3.39 20
3 07/23/2019 07:47:51 69.94, 59.30 49.83 07/23/2019 07:48:48 69.94, 59.33 49.83 1.26 57
4 07/25/2019 22:25:23 70.12,-159.83 50.56 07/25/2019 22:24:16 70.11,-159.78 50.56 2.24 67
5 07/25/2019 23:14:53 -70.02, 7.65 129.54 07/25/2019 23:14:58 -70.03, 7.67 129.53 1.33 5
6 07/26/2019 00:04:26 69.58, 174.69 50.06 07/26/2019 00:05:36 69.59, 175.63 50.02 36.49 70
7 07/28/2019 14:41:53 70.10, -43.99 51.13 07/28/2019 14:41:11 70.07, -43.95 51.12 2.81 42
8 07/28/2019 15:31:23 -69.99, 123.50 128.96 07/28/2019 15:31:53 -69.99, 123.50 128.97 0.65 30
9 07/31/2019 06:08:44 -70.83, -94.66 127.54 07/31/2019 06:07:36 -70.88, -96.78 127.40 77.76 68
10 07/31/2019 06:58:23 70.07, 71.86 51.74 07/31/2019 06:58:07 70.09, 71.79 51.77 3.36 16
11 07/31/2019 07:47:53 -69.97,-120.66 128.35 07/31/2019 07:48:48 -69.95,-120.67 128.38 2.36 55
12 08/02/2019 22:25:26 -70.15, 20.22 127.51 08/02/2019 22:24:18 -70.16, 20.14 127.49 3.01 68
13 08/02/2019 23:14:53 70.04,-172.30 52.39 08/02/2019 23:15:02 70.05,-172.38 52.41 3.42 9
14 08/03/2019 00:04:27 -69.72, -5.11 127.91 08/03/2019 00:05:39 -69.70, -4.52 127.96 22.97 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/20/2019
SNOs_Map_LANDSAT-8_NPP_20190721.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/20/2019 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service