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: 1/20/2021
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 01/22/2021 14:41:50 70.81, -42.98 90.32 01/22/2021 14:40:42 70.84, -45.07 90.43 76.20 68
2 01/22/2021 15:31:32 -70.04, 123.51 90.43 01/22/2021 15:31:11 -70.05, 123.49 90.41 1.53 21
3 01/22/2021 16:20:59 69.94, -68.98 89.47 01/22/2021 16:21:55 69.95, -69.04 89.47 2.10 56
4 01/25/2021 06:58:32 70.10, 71.84 89.00 01/25/2021 06:57:23 70.09, 71.90 89.00 2.81 69
5 01/25/2021 07:48:02 -69.99,-120.68 91.12 01/25/2021 07:48:05 -69.98,-120.63 91.12 2.13 3
6 01/25/2021 08:37:33 69.66, 46.51 88.57 01/25/2021 08:38:44 69.61, 47.23 88.48 28.33 71
7 01/27/2021 23:15:00 70.09,-172.29 88.32 01/27/2021 23:14:17 70.07,-172.31 88.30 2.72 43
8 01/28/2021 00:04:30 -69.99, -4.81 91.80 01/28/2021 00:04:59 -69.97, -4.84 91.82 2.54 29
9 01/30/2021 14:41:50 -70.85, 137.06 91.68 01/30/2021 14:40:42 -70.89, 134.84 91.54 81.02 68
10 01/30/2021 15:31:30 70.03, -56.51 87.53 01/30/2021 15:31:11 70.01, -56.45 87.52 3.26 19
11 01/30/2021 16:21:00 -69.92, 110.98 92.58 01/30/2021 16:21:53 -69.90, 111.03 92.61 3.30 53
12 02/02/2021 06:58:32 -70.13,-108.13 93.13 02/02/2021 06:57:23 -70.15,-108.20 93.09 3.43 69
13 02/02/2021 07:47:59 70.01, 59.35 86.76 02/02/2021 07:48:06 70.00, 59.34 86.75 1.76 7
14 02/02/2021 08:37:33 -69.69,-133.46 93.56 02/02/2021 08:38:44 -69.68,-132.87 93.60 22.94 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/20/2021
SNOs_Map_LANDSAT-8_NPP_20210120.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP