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: 5/13/2020
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 05/14/2020 06:08:07 -71.03, -94.47 127.82 05/14/2020 06:07:00 -71.06, -97.01 127.73 92.02 67
2 05/14/2020 06:57:49 70.10, 71.78 51.26 05/14/2020 06:57:28 70.12, 71.82 51.28 2.49 21
3 05/14/2020 07:47:18 -70.00,-120.72 128.84 05/14/2020 07:48:09 -70.02,-120.71 128.83 2.08 51
4 05/16/2020 22:24:52 -70.23, 20.19 129.23 05/16/2020 22:23:39 -70.29, 20.02 129.15 9.13 73
5 05/16/2020 23:14:20 70.06,-172.41 50.60 05/16/2020 23:14:21 70.08,-172.34 50.62 3.72 1
6 05/17/2020 00:03:50 -69.96, -4.91 129.50 05/17/2020 00:05:03 -69.98, -4.87 129.49 2.38 73
7 05/19/2020 14:41:25 -70.18, 135.98 129.85 05/19/2020 14:40:32 -70.20, 135.94 129.83 2.17 53
8 05/19/2020 15:30:52 70.06, -56.54 50.03 05/19/2020 15:31:15 70.04, -56.51 50.00 2.99 23
9 05/19/2020 16:20:36 -69.20, 109.92 130.82 05/19/2020 16:21:43 -69.20, 112.04 130.87 83.67 67
10 05/22/2020 06:57:59 -70.13,-108.23 130.44 05/22/2020 06:57:26 -70.16,-108.22 130.41 2.91 33
11 05/22/2020 07:47:26 70.01, 59.25 49.44 05/22/2020 07:48:09 70.00, 59.32 49.43 3.01 43
12 05/24/2020 22:24:56 70.61,-159.31 49.54 05/24/2020 22:23:46 70.65,-160.54 49.62 45.70 70
13 05/24/2020 23:14:33 -70.13, 7.63 130.94 05/24/2020 23:14:20 -70.12, 7.61 130.94 1.44 13
14 05/25/2020 00:03:59 70.01, 175.11 48.95 05/25/2020 00:05:03 70.02, 175.07 48.95 1.84 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/13/2020
SNOs_Map_LANDSAT-8_NPP_20200513.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/13/2020 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service