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: 4/21/2021
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 04/23/2021 06:58:01 -70.18,-108.13 122.53 04/23/2021 06:57:02 -70.16,-108.16 122.54 2.79 59
2 04/23/2021 07:47:29 70.02, 59.29 57.31 04/23/2021 07:47:46 70.04, 59.34 57.33 2.61 17
3 04/23/2021 08:37:09 -69.36,-133.98 123.34 04/23/2021 08:38:17 -69.38,-132.37 123.37 63.24 68
4 04/25/2021 23:14:30 -70.11, 7.64 123.48 04/25/2021 23:13:55 -70.12, 7.69 123.46 2.12 35
5 04/26/2021 00:03:56 70.00, 175.13 56.41 04/26/2021 00:04:38 70.00, 175.17 56.41 1.68 42
6 04/28/2021 14:41:23 70.40, -43.68 55.97 04/28/2021 14:40:11 70.49, -44.43 56.08 29.07 72
7 04/28/2021 15:30:57 -70.08, 123.48 124.36 04/28/2021 15:30:47 -70.08, 123.53 124.36 1.78 10
8 04/28/2021 16:20:24 69.97, -69.03 55.53 04/28/2021 16:21:31 69.97, -68.99 55.52 1.54 67
9 05/01/2021 06:57:55 70.15, 71.82 54.90 05/01/2021 06:56:58 70.14, 71.90 54.90 3.13 57
10 05/01/2021 07:47:25 -70.05,-120.69 125.21 05/01/2021 07:47:40 -70.04,-120.64 125.22 2.01 15
11 05/01/2021 08:37:04 69.27, 45.90 54.03 05/01/2021 08:38:11 69.24, 47.84 53.95 76.62 67
12 05/03/2021 23:14:23 70.11,-172.35 54.07 05/03/2021 23:13:51 70.11,-172.27 54.07 3.01 32
13 05/04/2021 00:03:53 -70.01, -4.86 126.04 05/04/2021 00:04:33 -70.01, -4.81 126.05 2.17 40

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/21/2021
SNOs_Map_LANDSAT-8_NPP_20210421.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/21/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP