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: 4/16/2021
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 04/17/2021 23:14:32 70.13,-172.32 59.24 04/17/2021 23:14:00 70.11,-172.33 59.23 1.33 32
2 04/18/2021 00:04:02 -70.02, -4.84 120.88 04/18/2021 00:04:42 -70.04, -4.89 120.86 2.82 40
3 04/20/2021 14:41:28 -70.50, 136.45 121.32 04/20/2021 14:40:16 -70.56, 135.44 121.23 37.83 72
4 04/20/2021 15:31:01 70.06, -56.54 58.25 04/20/2021 15:30:53 70.07, -56.49 58.26 2.46 8
5 04/20/2021 16:20:30 -70.01, 111.02 121.82 04/20/2021 16:21:35 -69.99, 110.96 121.84 3.12 65
6 04/23/2021 06:58:02 -70.15,-108.17 122.56 04/23/2021 06:57:02 -70.14,-108.13 122.56 1.99 60
7 04/23/2021 07:47:28 70.04, 59.31 57.33 04/23/2021 07:47:45 70.03, 59.36 57.31 2.16 17
8 04/23/2021 08:37:08 -69.39,-133.95 123.32 04/23/2021 08:38:17 -69.41,-132.42 123.34 60.04 69
9 04/25/2021 23:14:29 -70.13, 7.68 123.45 04/25/2021 23:13:55 -70.15, 7.64 123.43 2.62 34
10 04/26/2021 00:03:56 70.02, 175.16 56.43 04/26/2021 00:04:39 70.04, 175.11 56.45 3.13 43
11 04/28/2021 14:41:23 70.43, -43.65 56.00 04/28/2021 14:40:11 70.47, -44.40 56.07 28.57 72
12 04/28/2021 15:30:57 -70.11, 123.52 124.33 04/28/2021 15:30:48 -70.11, 123.48 124.32 1.80 9
13 04/28/2021 16:20:24 69.99, -69.00 55.55 04/28/2021 16:21:32 70.00, -69.05 55.56 2.53 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/16/2021
SNOs_Map_LANDSAT-8_NPP_20210416.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/16/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP