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: 9/15/2021
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 09/16/2021 22:25:43 70.09,-159.90 67.72 09/16/2021 22:24:43 70.08,-159.83 67.72 3.06 60
2 09/16/2021 23:15:13 -69.98, 7.57 112.38 09/16/2021 23:15:25 -69.99, 7.63 112.37 2.50 12
3 09/17/2021 00:04:50 69.32, 174.32 67.00 09/17/2021 00:05:58 69.29, 175.96 66.94 64.58 68
4 09/19/2021 14:42:13 70.06, -44.07 68.73 09/19/2021 14:41:39 70.07, -44.05 68.74 1.79 34
5 09/19/2021 15:31:43 -69.95, 123.41 111.38 09/19/2021 15:32:21 -69.98, 123.42 111.35 3.09 38
6 09/22/2021 06:09:09 -70.51, -95.18 109.81 09/22/2021 06:07:58 -70.54, -96.32 109.76 42.52 71
7 09/22/2021 06:58:43 70.02, 71.76 69.73 09/22/2021 06:58:34 70.02, 71.81 69.72 2.08 9
8 09/22/2021 07:48:12 -69.91,-120.76 110.37 09/22/2021 07:49:15 -69.91,-120.72 110.37 1.51 63
9 09/24/2021 22:25:45 -70.09, 20.09 109.18 09/24/2021 22:24:45 -70.12, 20.12 109.15 3.04 60
10 09/24/2021 23:15:12 69.98,-172.42 70.73 09/24/2021 23:15:29 70.01,-172.41 70.76 3.70 17
11 09/25/2021 00:04:52 -69.32, -5.68 109.91 09/25/2021 00:06:00 -69.33, -4.09 109.93 62.41 68
12 09/27/2021 14:42:15 -70.05, 135.91 108.19 09/27/2021 14:41:40 -70.06, 135.98 108.17 2.83 35
13 09/27/2021 15:31:42 69.93, -56.60 71.72 09/27/2021 15:32:24 69.96, -56.56 71.75 3.23 42

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/15/2021
SNOs_Map_LANDSAT-8_NPP_20210915.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/15/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP