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: 7/18/2021
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 07/20/2021 06:08:40 -70.96, -94.47 129.70 07/20/2021 06:07:33 -71.00, -97.00 129.56 91.98 67
2 07/20/2021 06:58:22 70.04, 71.81 49.43 07/20/2021 06:58:01 70.04, 71.85 49.43 1.65 21
3 07/20/2021 07:47:52 -69.93,-120.71 130.67 07/20/2021 07:48:43 -69.95,-120.71 130.65 2.20 51
4 07/22/2021 22:25:25 -70.13, 20.17 129.96 07/22/2021 22:24:13 -70.16, 20.12 129.93 2.96 72
5 07/22/2021 23:14:52 70.03,-172.33 49.95 07/22/2021 23:14:57 70.03,-172.38 49.96 1.91 5
6 07/23/2021 00:04:24 -69.81, -5.00 130.25 07/23/2021 00:05:36 -69.79, -4.70 130.30 12.00 72
7 07/25/2021 14:41:57 -70.07, 135.96 129.46 07/25/2021 14:41:09 -70.10, 135.97 129.42 3.38 48
8 07/25/2021 15:31:24 69.96, -56.55 50.45 07/25/2021 15:31:53 69.98, -56.54 50.47 2.48 29
9 07/28/2021 06:08:45 70.87, 85.39 51.91 07/28/2021 06:07:38 70.93, 83.10 52.06 83.60 67
10 07/28/2021 06:58:28 -70.06,-108.18 128.86 07/28/2021 06:58:05 -70.05,-108.18 128.87 1.42 23
11 07/28/2021 07:47:55 69.95, 59.30 51.04 07/28/2021 07:48:49 69.93, 59.31 51.02 1.72 54
12 07/30/2021 22:25:29 70.15,-159.81 51.86 07/30/2021 22:24:20 70.14,-159.88 51.87 2.40 69
13 07/30/2021 23:15:00 -70.00, 7.60 128.28 07/30/2021 23:15:01 -70.00, 7.66 128.28 2.22 1
14 07/31/2021 00:04:30 69.71, 174.86 51.46 07/31/2021 00:05:42 69.72, 175.38 51.44 20.33 72

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/18/2021
SNOs_Map_LANDSAT-8_NPP_20210718.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/18/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP