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: 4/11/2019
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 04/12/2019 22:24:46 -70.62, 20.79 118.29 04/12/2019 22:23:36 -70.67, 19.49 118.20 48.26 70
2 04/12/2019 23:14:20 70.14,-172.28 61.23 04/12/2019 23:14:12 70.14,-172.36 61.24 3.12 8
3 04/13/2019 00:03:50 -70.03, -4.81 118.90 04/13/2019 00:04:53 -70.00, -4.83 118.93 3.06 63
4 04/15/2019 14:41:22 -70.19, 136.03 119.68 04/15/2019 14:40:20 -70.20, 136.02 119.67 0.83 62
5 04/15/2019 15:30:49 70.08, -56.49 60.20 04/15/2019 15:31:04 70.09, -56.50 60.21 1.22 15
6 04/15/2019 16:20:27 -69.53, 110.39 120.34 04/15/2019 16:21:37 -69.52, 111.66 120.39 49.42 70
7 04/18/2019 06:57:51 -70.13,-108.18 120.69 04/18/2019 06:57:12 -70.14,-108.11 120.68 2.89 39
8 04/18/2019 07:47:18 70.02, 59.30 59.19 04/18/2019 07:47:56 70.04, 59.36 59.21 3.14 38
9 04/20/2019 22:24:42 70.60,-159.24 58.86 04/20/2019 22:23:31 70.66,-160.47 58.96 45.95 71
10 04/20/2019 23:14:19 -70.12, 7.69 121.63 04/20/2019 23:14:05 -70.14, 7.67 121.61 2.25 14
11 04/21/2019 00:03:46 70.00, 175.17 58.25 04/21/2019 00:04:48 69.99, 175.21 58.23 2.56 62
12 04/23/2019 14:41:16 70.20, -43.95 57.56 04/23/2019 14:40:14 70.20, -43.95 57.56 0.72 62
13 04/23/2019 15:30:46 -70.11, 123.54 122.55 04/23/2019 15:30:56 -70.09, 123.53 122.56 1.82 10
14 04/23/2019 16:20:22 69.49, -69.66 56.85 04/23/2019 16:21:31 69.52, -68.31 56.84 52.82 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/11/2019
SNOs_Map_LANDSAT-8_NPP_20190411.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/11/2019 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service