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: 1/23/2021
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 01/25/2021 06:58:31 70.13, 71.88 89.03 01/25/2021 06:57:23 70.11, 71.86 89.02 2.74 68
2 01/25/2021 07:48:01 -70.02,-120.64 91.09 01/25/2021 07:48:05 -70.01,-120.67 91.10 1.38 4
3 01/25/2021 08:37:33 69.64, 46.48 88.55 01/25/2021 08:38:44 69.64, 47.19 88.51 27.63 71
4 01/27/2021 23:15:01 70.07,-172.32 88.30 01/27/2021 23:14:18 70.10,-172.35 88.33 2.85 43
5 01/28/2021 00:04:31 -69.96, -4.85 91.82 01/28/2021 00:04:59 -69.94, -4.80 91.85 2.77 28
6 01/30/2021 14:41:51 -70.83, 137.02 91.71 01/30/2021 14:40:43 -70.92, 134.79 91.51 81.93 68
7 01/30/2021 15:31:31 70.01, -56.54 87.52 01/30/2021 15:31:12 70.03, -56.49 87.54 3.35 19
8 01/30/2021 16:21:00 -69.96, 111.02 92.55 01/30/2021 16:21:54 -69.93, 110.99 92.58 3.20 54
9 02/02/2021 06:58:32 -70.11,-108.17 93.15 02/02/2021 06:57:22 -70.13,-108.17 93.11 2.18 70
10 02/02/2021 07:47:59 70.00, 59.32 86.75 02/02/2021 07:48:05 69.97, 59.37 86.72 3.12 6
11 02/02/2021 08:37:32 -69.73,-133.42 93.52 02/02/2021 08:38:44 -69.71,-132.91 93.57 19.53 72
12 02/04/2021 23:15:01 -70.09, 7.69 93.95 02/04/2021 23:14:16 -70.07, 7.70 93.97 2.78 45
13 02/05/2021 00:04:28 69.98, 175.18 85.94 02/05/2021 00:05:00 69.97, 175.15 85.92 1.47 32

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/23/2021
SNOs_Map_LANDSAT-8_NPP_20210123.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/23/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP