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: 9/15/2019
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 09/17/2019 06:58:41 70.06, 71.81 67.63 09/17/2019 06:58:09 70.07, 71.87 67.64 2.23 32
2 09/17/2019 07:48:11 -69.95,-120.70 112.46 09/17/2019 07:48:51 -69.97,-120.67 112.45 2.19 40
3 09/19/2019 22:25:38 -70.51, 20.69 110.91 09/19/2019 22:24:27 -70.54, 19.60 110.86 40.81 71
4 09/19/2019 23:15:11 70.07,-172.30 68.67 09/19/2019 23:15:04 70.06,-172.35 68.67 2.29 7
5 09/20/2019 00:04:41 -69.97, -4.81 111.42 09/20/2019 00:05:46 -69.96, -4.89 111.42 2.88 65
6 09/22/2019 14:42:15 -70.14, 136.03 110.24 09/22/2019 14:41:14 -70.11, 136.03 110.26 2.52 61
7 09/22/2019 15:31:42 70.03, -56.48 69.67 09/22/2019 15:31:58 70.01, -56.50 69.65 1.73 16
8 09/22/2019 16:21:21 -69.43, 110.33 110.91 09/22/2019 16:22:31 -69.43, 111.67 110.92 52.41 70
9 09/25/2019 06:58:46 -70.09,-108.15 109.24 09/25/2019 06:58:09 -70.11,-108.19 109.22 2.67 37
10 09/25/2019 07:48:13 69.98, 59.33 70.66 09/25/2019 07:48:52 69.96, 59.35 70.64 2.39 39
11 09/27/2019 22:25:39 70.53,-159.27 72.23 09/27/2019 22:24:28 70.59,-160.48 72.30 45.51 71
12 09/27/2019 23:15:16 -70.05, 7.66 108.24 09/27/2019 23:15:02 -70.06, 7.66 108.23 1.52 14
13 09/28/2019 00:04:43 69.94, 175.15 71.66 09/28/2019 00:05:45 69.91, 175.20 71.64 3.35 62

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/15/2019
SNOs_Map_LANDSAT-8_NPP_20190916.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/15/2019 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service