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: 8/15/2021
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 08/15/2021 22:25:35 70.09,-159.90 56.30 08/15/2021 22:24:29 70.10,-159.84 56.33 2.86 66
2 08/15/2021 23:15:04 -70.03, 7.66 123.74 08/15/2021 23:15:11 -70.02, 7.60 123.75 2.37 7
3 08/16/2021 00:04:38 69.54, 174.62 55.81 08/16/2021 00:05:48 69.52, 175.65 55.75 40.09 70
4 08/18/2021 14:42:04 70.08, -44.03 57.15 08/18/2021 14:41:24 70.07, -44.02 57.14 1.42 40
5 08/18/2021 15:31:34 -69.97, 123.45 122.95 08/18/2021 15:32:06 -69.98, 123.43 122.94 1.43 32
6 08/21/2021 06:08:57 -70.72, -94.85 121.37 08/21/2021 06:07:48 -70.78, -96.69 121.24 67.95 69
7 08/21/2021 06:58:35 70.01, 71.75 57.96 08/21/2021 06:58:20 70.04, 71.80 57.99 3.16 15
8 08/21/2021 07:48:04 -69.96,-120.68 122.08 08/21/2021 07:49:02 -69.95,-120.75 122.10 3.20 58
9 08/23/2021 22:25:38 -70.11, 20.13 121.06 08/23/2021 22:24:32 -70.12, 20.13 121.04 1.15 66
10 08/23/2021 23:15:05 70.00,-172.39 58.85 08/23/2021 23:15:16 70.01,-172.38 58.85 1.03 11
11 08/24/2021 00:04:41 -69.57, -5.35 121.56 08/24/2021 00:05:52 -69.60, -4.46 121.56 34.66 71
12 08/26/2021 14:42:08 -70.09, 135.99 120.16 08/26/2021 14:41:28 -70.09, 135.95 120.15 1.55 40
13 08/26/2021 15:31:35 69.98, -56.53 59.75 08/26/2021 15:32:12 69.98, -56.58 59.75 1.55 37

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 8/15/2021
SNOs_Map_LANDSAT-8_NPP_20210815.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 08/15/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP