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: 8/19/2021
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 08/21/2021 06:08:58 -70.70, -94.88 121.39 08/21/2021 06:07:49 -70.80, -96.73 121.22 68.54 69
2 08/21/2021 06:58:35 70.05, 71.81 58.00 08/21/2021 06:58:21 70.05, 71.78 58.00 1.11 14
3 08/21/2021 07:48:05 -69.94,-120.71 122.10 08/21/2021 07:49:02 -69.92,-120.70 122.13 2.97 57
4 08/23/2021 22:25:37 -70.14, 20.18 121.03 08/23/2021 22:24:32 -70.14, 20.10 121.02 2.81 65
5 08/23/2021 23:15:04 70.03,-172.33 58.88 08/23/2021 23:15:16 70.02,-172.41 58.87 3.18 12
6 08/24/2021 00:04:40 -69.60, -5.30 121.53 08/24/2021 00:05:51 -69.56, -4.41 121.60 35.00 71
7 08/26/2021 14:42:08 -70.07, 135.96 120.18 08/26/2021 14:41:27 -70.05, 136.00 120.19 3.03 41
8 08/26/2021 15:31:35 69.96, -56.56 59.73 08/26/2021 15:32:12 69.99, -56.59 59.76 3.30 37
9 08/29/2021 06:09:01 70.54, 84.88 61.21 08/29/2021 06:07:50 70.59, 83.61 61.30 47.28 71
10 08/29/2021 06:58:38 -70.05,-108.19 119.25 08/29/2021 06:58:24 -70.07,-108.26 119.23 3.19 14
11 08/29/2021 07:48:05 69.94, 59.29 60.65 08/29/2021 07:49:08 69.96, 59.22 60.67 3.53 63
12 08/31/2021 22:25:38 70.13,-159.84 61.77 08/31/2021 22:24:38 70.14,-159.91 61.79 3.13 60
13 08/31/2021 23:15:09 -69.98, 7.58 118.37 08/31/2021 23:15:19 -69.99, 7.64 118.36 2.42 10
14 09/01/2021 00:04:45 69.36, 174.39 61.05 09/01/2021 00:05:54 69.40, 175.81 61.05 55.94 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/19/2021
SNOs_Map_LANDSAT-8_NPP_20210819.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/19/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP