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: 4/20/2020
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 04/20/2020 06:57:58 -70.12,-108.22 121.66 04/20/2020 06:57:28 -70.13,-108.20 121.65 1.04 30
2 04/20/2020 07:47:25 70.01, 59.27 58.23 04/20/2020 07:48:12 70.01, 59.29 58.22 0.93 47
3 04/22/2020 22:24:55 70.27,-159.76 57.60 04/22/2020 22:23:43 70.31,-160.03 57.66 10.98 72
4 04/22/2020 23:14:26 -70.12, 7.65 122.57 04/22/2020 23:14:23 -70.11, 7.59 122.56 2.06 3
5 04/23/2020 00:03:54 69.95, 175.05 57.26 04/23/2020 00:05:06 69.95, 175.15 57.26 3.90 72
6 04/25/2020 14:41:25 70.15, -44.06 56.60 04/25/2020 14:40:35 70.15, -44.00 56.61 2.22 50
7 04/25/2020 15:30:55 -70.05, 123.43 123.51 04/25/2020 15:31:17 -70.05, 123.46 123.51 1.08 22
8 04/28/2020 06:57:53 70.13, 71.80 55.74 04/28/2020 06:57:30 70.14, 71.78 55.75 0.94 23
9 04/28/2020 07:47:23 -70.04,-120.71 124.37 04/28/2020 07:48:12 -70.04,-120.75 124.37 1.75 49
10 04/30/2020 22:24:53 -70.24, 20.18 124.98 04/30/2020 22:23:40 -70.24, 20.09 124.97 3.33 73
11 04/30/2020 23:14:21 70.06,-172.43 54.84 04/30/2020 23:14:23 70.08,-172.36 54.87 3.60 2
12 05/01/2020 00:03:51 -69.97, -4.93 125.26 05/01/2020 00:05:04 -69.93, -4.81 125.31 6.28 73
13 05/03/2020 14:41:22 -70.17, 135.95 125.84 05/03/2020 14:40:34 -70.18, 135.95 125.82 1.77 48
14 05/03/2020 15:30:49 70.04, -56.58 54.03 05/03/2020 15:31:17 70.03, -56.51 54.01 3.09 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2020
SNOs_Map_LANDSAT-8_NPP_20200420.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/20/2020 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service