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: 4/22/2021
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 -70.16,-108.17 122.55 04/23/2021 06:57:01 -70.14,-108.12 122.57 3.15 60
2 04/23/2021 07:47:28 70.05, 59.33 57.34 04/23/2021 07:47:46 70.07, 59.30 57.35 1.85 18
3 04/23/2021 08:37:08 -69.39,-133.94 123.32 04/23/2021 08:38:17 -69.40,-132.40 123.35 60.23 69
4 04/25/2021 23:14:29 -70.14, 7.68 123.45 04/25/2021 23:13:55 -70.14, 7.65 123.44 1.59 34
5 04/26/2021 00:03:56 70.03, 175.17 56.44 04/26/2021 00:04:39 70.03, 175.14 56.43 1.40 43
6 04/28/2021 14:41:23 70.43, -43.64 56.00 04/28/2021 14:40:11 70.46, -44.38 56.05 27.70 72
7 04/28/2021 15:30:57 -70.11, 123.52 124.33 04/28/2021 15:30:48 -70.10, 123.49 124.33 1.37 9
8 04/28/2021 16:20:24 70.00, -68.99 55.56 04/28/2021 16:21:32 69.99, -69.03 55.55 1.66 68
9 05/01/2021 06:57:54 70.18, 71.87 54.93 05/01/2021 06:56:58 70.16, 71.86 54.92 2.18 56
10 05/01/2021 07:47:24 -70.08,-120.65 125.18 05/01/2021 07:47:40 -70.07,-120.67 125.19 1.63 16
11 05/01/2021 08:37:04 69.24, 45.87 54.00 05/01/2021 08:38:11 69.27, 47.81 53.98 76.56 67
12 05/03/2021 23:14:22 70.14,-172.31 54.10 05/03/2021 23:13:51 70.13,-172.31 54.09 1.19 31
13 05/04/2021 00:03:52 -70.04, -4.82 126.01 05/04/2021 00:04:33 -70.03, -4.84 126.02 1.26 41

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/22/2021
SNOs_Map_LANDSAT-8_NPP_20210422.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/22/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP