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: 7/31/2021
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 08/02/2021 14:41:58 70.10, -44.00 52.49 08/02/2021 14:41:15 70.09, -44.02 52.48 1.72 43
2 08/02/2021 15:31:28 -69.99, 123.48 127.61 08/02/2021 15:31:57 -70.00, 123.42 127.60 2.70 29
3 08/05/2021 06:08:49 -70.87, -94.61 126.08 08/05/2021 06:07:41 -70.89, -96.86 125.96 81.69 68
4 08/05/2021 06:58:29 70.05, 71.82 53.15 08/05/2021 06:58:11 70.04, 71.82 53.14 1.75 18
5 08/05/2021 07:47:59 -69.95,-120.70 126.94 08/05/2021 07:48:53 -69.95,-120.74 126.94 1.66 54
6 08/07/2021 22:25:33 -70.12, 20.14 126.06 08/07/2021 22:24:23 -70.12, 20.16 126.05 0.79 70
7 08/07/2021 23:15:00 70.01,-172.37 53.85 08/07/2021 23:15:07 69.99,-172.35 53.84 1.57 7
8 08/08/2021 00:04:34 -69.69, -5.18 126.45 08/08/2021 00:05:45 -69.70, -4.59 126.47 23.08 71
9 08/10/2021 14:42:04 -70.07, 135.95 125.33 08/10/2021 14:41:19 -70.07, 135.99 125.33 1.56 45
10 08/10/2021 15:31:31 69.95, -56.57 54.57 08/10/2021 15:32:03 69.95, -56.52 54.56 1.83 32
11 08/13/2021 06:08:53 70.72, 85.15 56.08 08/13/2021 06:07:44 70.75, 83.36 56.19 65.65 69
12 08/13/2021 06:58:34 -70.02,-108.24 124.58 08/13/2021 06:58:14 -70.03,-108.17 124.57 2.78 20
13 08/13/2021 07:48:01 69.90, 59.24 55.32 08/13/2021 07:48:58 69.91, 59.31 55.32 3.23 57

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/31/2021
SNOs_Map_LANDSAT-8_NPP_20210731.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/31/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP