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: 1/8/2023
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 01/09/2023 22:25:47 70.18,-159.84 92.18 01/09/2023 22:25:21 70.16,-159.85 92.16 2.57 26
2 01/09/2023 23:15:17 -70.07, 7.64 87.94 01/09/2023 23:16:03 -70.07, 7.61 87.94 1.31 46
3 01/12/2023 13:52:48 -70.26, 148.51 88.15 01/12/2023 13:51:35 -70.29, 148.40 88.10 5.90 73
4 01/12/2023 14:42:15 70.15, -44.00 91.74 01/12/2023 14:42:18 70.13, -44.03 91.72 2.88 3
5 01/12/2023 15:31:46 -69.99, 123.41 88.42 01/12/2023 15:32:59 -69.98, 123.51 88.44 3.91 73
6 01/15/2023 06:09:16 -70.20, -95.68 88.66 01/15/2023 06:08:31 -70.21, -95.71 88.64 1.55 45
7 01/15/2023 06:58:43 70.09, 71.81 91.23 01/15/2023 06:59:15 70.10, 71.77 91.24 1.84 32
8 01/17/2023 21:36:04 70.72,-146.66 91.35 01/17/2023 21:34:54 70.77,-148.14 91.45 54.75 70
9 01/17/2023 22:25:43 -70.12, 20.10 89.24 01/17/2023 22:25:26 -70.14, 20.17 89.22 3.37 17
10 01/17/2023 23:15:09 70.06,-172.34 90.70 01/17/2023 23:16:10 70.03,-172.35 90.66 3.46 61
11 01/20/2023 13:52:39 70.23, -31.49 90.32 01/20/2023 13:51:41 70.23, -31.52 90.34 0.87 58
12 01/20/2023 14:42:09 -70.13, 135.99 89.79 01/20/2023 14:42:23 -70.13, 135.96 89.79 1.15 14
13 01/20/2023 15:31:47 69.40, -57.36 89.52 01/20/2023 15:32:55 69.39, -55.63 89.44 67.79 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/8/2023
SNOs_Map_LANDSAT-8_NPP_20230108.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/08/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP