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: 2/20/2020
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 02/21/2020 14:41:45 70.63, -43.30 81.24 02/21/2020 14:40:35 70.67, -44.79 81.36 54.89 70
2 02/21/2020 15:31:23 -70.07, 123.53 99.30 02/21/2020 15:31:07 -70.06, 123.50 99.30 1.70 16
3 02/21/2020 16:20:51 69.91, -69.05 80.54 02/21/2020 16:21:51 69.94, -69.01 80.56 3.28 60
4 02/24/2020 06:58:22 70.15, 71.88 79.81 02/24/2020 06:57:21 70.14, 71.82 79.82 2.46 61
5 02/24/2020 07:47:53 -69.99,-120.72 100.36 02/24/2020 07:48:02 -70.00,-120.65 100.35 3.22 9
6 02/24/2020 08:37:28 69.44, 46.18 79.12 02/24/2020 08:38:37 69.41, 47.54 79.01 53.54 69
7 02/26/2020 23:14:51 70.11,-172.29 78.78 02/26/2020 23:14:16 70.09,-172.33 78.76 3.20 35
8 02/27/2020 00:04:21 -70.01, -4.81 101.34 02/27/2020 00:04:58 -70.00, -4.87 101.35 2.55 37
9 02/29/2020 14:41:46 -70.57, 136.60 101.80 02/29/2020 14:40:36 -70.62, 135.29 101.68 48.66 70
10 02/29/2020 15:31:21 70.02, -56.55 77.67 02/29/2020 15:31:11 70.03, -56.48 77.69 3.25 10
11 02/29/2020 16:20:50 -69.97, 111.01 102.39 02/29/2020 16:21:53 -69.94, 110.98 102.43 3.31 63
12 03/03/2020 06:58:21 -70.14,-108.14 103.23 03/03/2020 06:57:22 -70.15,-108.19 103.21 2.01 59
13 03/03/2020 07:47:48 70.03, 59.34 76.66 03/03/2020 07:48:06 70.03, 59.29 76.66 2.16 18
14 03/03/2020 08:37:28 -69.38,-133.92 103.97 03/03/2020 08:38:37 -69.36,-132.40 104.07 59.40 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/20/2020
SNOs_Map_LANDSAT-8_NPP_20200220.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/20/2020 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service