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: 9/20/2017
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 09/21/2017 22:25:35 70.16,-159.81 69.71 09/21/2017 22:24:29 70.18,-159.85 69.74 2.52 66
2 09/21/2017 23:15:05 -70.05, 7.66 110.39 09/21/2017 23:15:10 -70.04, 7.68 110.39 0.81 5
3 09/22/2017 00:04:38 69.61, 174.71 69.20 09/22/2017 00:05:48 69.60, 175.65 69.17 36.51 70
4 09/24/2017 14:42:05 70.12, -43.99 70.72 09/24/2017 14:41:24 70.14, -44.02 70.73 1.72 41
5 09/24/2017 15:31:35 -70.01, 123.49 109.38 09/24/2017 15:32:05 -70.00, 123.51 109.40 1.91 30
6 09/27/2017 06:08:57 -70.84, -94.69 107.54 09/27/2017 06:07:49 -70.90, -96.78 107.47 76.40 68
7 09/27/2017 06:58:36 70.08, 71.83 71.72 09/27/2017 06:58:20 70.10, 71.81 71.73 1.50 16
8 09/27/2017 07:48:06 -69.98,-120.68 108.38 09/27/2017 07:49:01 -69.96,-120.66 108.40 2.51 55
9 09/29/2017 22:25:40 -70.15, 20.16 107.20 09/29/2017 22:24:32 -70.18, 20.15 107.16 3.17 68
10 09/29/2017 23:15:07 70.04,-172.35 72.71 09/29/2017 23:15:16 70.06,-172.36 72.73 2.06 9
11 09/30/2017 00:04:41 -69.72, -5.17 107.60 09/30/2017 00:05:53 -69.71, -4.52 107.61 25.33 72
12 10/02/2017 14:42:10 -70.16, 136.05 106.15 10/02/2017 14:41:28 -70.14, 135.97 106.16 3.42 42
13 10/02/2017 15:31:38 69.99, -56.54 73.70 10/02/2017 15:32:12 70.02, -56.54 73.74 3.54 34

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2017
SNOs_Map_LANDSAT-8_NPP_20170921.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/20/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service