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: 4/17/2022
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 04/18/2022 06:08:32 -70.97, -94.50 119.96 04/18/2022 06:07:24 -71.01, -96.89 119.85 86.86 68
2 04/18/2022 06:58:13 70.10, 71.85 59.19 04/18/2022 06:57:53 70.11, 71.87 59.19 0.83 20
3 04/18/2022 07:47:43 -69.99,-120.67 120.94 04/18/2022 07:48:34 -69.97,-120.60 120.96 3.48 51
4 04/20/2022 22:25:15 -70.17, 20.19 121.67 04/20/2022 22:24:02 -70.18, 20.23 121.65 1.77 73
5 04/20/2022 23:14:42 70.06,-172.32 58.22 04/20/2022 23:14:46 70.06,-172.28 58.22 1.44 4
6 04/21/2022 00:04:13 -69.90, -4.92 121.95 04/21/2022 00:05:26 -69.87, -4.68 121.99 9.66 73
7 04/23/2022 14:41:43 -70.12, 136.00 122.62 04/23/2022 14:40:54 -70.14, 136.07 122.60 3.60 49
8 04/23/2022 15:31:10 70.00, -56.51 57.26 04/23/2022 15:31:38 70.02, -56.44 57.28 3.14 28
9 04/26/2022 06:08:27 70.97, 85.53 57.35 04/26/2022 06:07:20 70.98, 83.17 57.42 85.41 67
10 04/26/2022 06:58:11 -70.10,-108.14 123.52 04/26/2022 06:57:47 -70.10,-108.10 123.51 1.53 24
11 04/26/2022 07:47:38 69.98, 59.35 56.36 04/26/2022 07:48:31 69.99, 59.38 56.36 1.41 53
12 04/28/2022 22:25:09 70.16,-159.78 55.71 04/28/2022 22:23:58 70.16,-159.73 55.72 1.91 71
13 04/28/2022 23:14:39 -70.06, 7.70 124.40 04/28/2022 23:14:40 -70.07, 7.73 124.40 1.29 1
14 04/29/2022 00:04:09 69.78, 174.96 55.32 04/29/2022 00:05:20 69.75, 175.52 55.27 22.07 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2022
SNOs_Map_LANDSAT-8_NPP_20220417.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/17/2022 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP