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: 4/11/2021
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 04/12/2021 14:41:31 70.45, -43.61 61.47 04/12/2021 14:40:20 70.49, -44.48 61.55 32.79 71
2 04/12/2021 15:31:06 -70.06, 123.47 118.92 04/12/2021 15:30:55 -70.05, 123.54 118.94 3.17 11
3 04/12/2021 16:20:33 69.96, -69.03 60.97 04/12/2021 16:21:40 69.97, -69.04 60.98 1.71 67
4 04/15/2021 06:58:04 70.17, 71.87 60.23 04/15/2021 06:57:08 70.18, 71.79 60.25 2.84 56
5 04/15/2021 07:47:34 -70.06,-120.65 119.89 04/15/2021 07:47:49 -70.04,-120.68 119.91 2.45 15
6 04/15/2021 08:37:13 69.29, 45.94 59.36 04/15/2021 08:38:21 69.28, 47.74 59.30 70.96 68
7 04/17/2021 23:14:32 70.11,-172.35 59.22 04/17/2021 23:14:00 70.13,-172.35 59.25 2.22 32
8 04/18/2021 00:04:02 -70.00, -4.86 120.90 04/18/2021 00:04:41 -69.99, -4.82 120.91 2.18 39
9 04/20/2021 14:41:27 -70.54, 136.51 121.28 04/20/2021 14:40:16 -70.56, 135.44 121.22 39.74 71
10 04/20/2021 15:31:00 70.09, -56.49 58.28 04/20/2021 15:30:53 70.08, -56.50 58.27 1.85 7
11 04/20/2021 16:20:30 -69.99, 111.00 121.83 04/20/2021 16:21:35 -69.99, 110.96 121.84 1.83 65
12 04/23/2021 06:58:02 -70.14,-108.19 122.57 04/23/2021 06:57:02 -70.14,-108.12 122.56 2.51 60
13 04/23/2021 07:47:29 70.02, 59.29 57.31 04/23/2021 07:47:46 70.03, 59.35 57.32 2.65 17

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/11/2021
SNOs_Map_LANDSAT-8_NPP_20210411.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/11/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP