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: 9/18/2019
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 09/19/2019 22:25:39 -70.47, 20.64 110.95 09/19/2019 22:24:28 -70.56, 19.56 110.84 41.16 71
2 09/19/2019 23:15:12 70.03,-172.35 68.64 09/19/2019 23:15:04 70.03,-172.30 68.64 1.78 8
3 09/20/2019 00:04:42 -69.93, -4.86 111.46 09/20/2019 00:05:46 -69.93, -4.84 111.45 0.98 64
4 09/22/2019 14:42:14 -70.14, 136.04 110.23 09/22/2019 14:41:14 -70.13, 136.00 110.24 1.85 60
5 09/22/2019 15:31:41 70.03, -56.47 69.68 09/22/2019 15:31:58 70.03, -56.53 69.67 2.19 17
6 09/22/2019 16:21:21 -69.38, 110.27 110.96 09/22/2019 16:22:30 -69.40, 111.72 110.96 56.79 69
7 09/25/2019 06:58:45 -70.09,-108.16 109.25 09/25/2019 06:58:08 -70.08,-108.14 109.25 1.15 37
8 09/25/2019 07:48:12 69.98, 59.33 70.66 09/25/2019 07:48:52 69.98, 59.33 70.66 0.19 40
9 09/27/2019 22:25:39 70.51,-159.30 72.21 09/27/2019 22:24:28 70.55,-160.42 72.26 42.07 71
10 09/27/2019 23:15:15 -70.08, 7.71 108.21 09/27/2019 23:15:03 -70.08, 7.63 108.21 3.00 12
11 09/28/2019 00:04:43 69.91, 175.12 71.64 09/28/2019 00:05:46 69.93, 175.18 71.65 2.64 63
12 09/30/2019 14:42:16 70.12, -43.99 72.86 09/30/2019 14:41:15 70.14, -43.99 72.88 1.81 61
13 09/30/2019 15:31:46 -70.02, 123.50 107.23 09/30/2019 15:31:57 -70.03, 123.49 107.22 1.18 11
14 09/30/2019 16:21:22 69.41, -69.69 72.18 09/30/2019 16:22:31 69.40, -68.27 72.16 55.51 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/18/2019
SNOs_Map_LANDSAT-8_NPP_20190918.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/18/2019 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service