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: 4/13/2022
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 04/15/2022 14:41:43 70.20, -44.03 60.23 04/15/2022 14:41:00 70.17, -44.01 60.21 3.03 43
2 04/15/2022 15:31:13 -70.09, 123.45 119.89 04/15/2022 15:31:42 -70.09, 123.44 119.89 0.47 29
3 04/18/2022 06:08:32 -71.05, -94.53 119.88 04/18/2022 06:07:25 -71.08, -97.00 119.78 89.32 67
4 04/18/2022 06:58:13 70.18, 71.81 59.26 04/18/2022 06:57:54 70.18, 71.77 59.27 1.74 19
5 04/18/2022 07:47:43 -70.07,-120.71 120.86 04/18/2022 07:48:36 -70.09,-120.78 120.84 3.58 53
6 04/20/2022 22:25:16 -70.25, 20.14 121.58 04/20/2022 22:24:03 -70.25, 20.13 121.58 0.91 73
7 04/20/2022 23:14:43 70.14,-172.37 58.30 04/20/2022 23:14:47 70.13,-172.39 58.29 1.25 4
8 04/21/2022 00:04:15 -69.93, -5.04 121.92 04/21/2022 00:05:27 -69.94, -4.77 121.92 10.16 72
9 04/23/2022 14:41:46 -70.20, 135.94 122.54 04/23/2022 14:40:56 -70.20, 135.97 122.53 1.16 50
10 04/23/2022 15:31:13 70.09, -56.58 57.35 04/23/2022 15:31:40 70.09, -56.55 57.35 1.10 27
11 04/23/2022 16:20:59 -69.10, 109.73 123.62 04/23/2022 16:22:05 -69.10, 112.21 123.69 98.61 66
12 04/26/2022 06:08:29 71.11, 85.55 57.49 04/26/2022 06:07:23 71.15, 82.89 57.60 95.83 66
13 04/26/2022 06:58:14 -70.19,-108.20 123.43 04/26/2022 06:57:48 -70.16,-108.19 123.45 2.88 26
14 04/26/2022 07:47:41 70.07, 59.28 56.45 04/26/2022 07:48:32 70.05, 59.28 56.43 2.00 51

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2022
SNOs_Map_LANDSAT-8_NPP_20220413.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/13/2022 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP