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: 4/10/2021
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 04/12/2021 14:41:31 70.44, -43.63 61.46 04/12/2021 14:40:20 70.51, -44.50 61.56 33.48 71
2 04/12/2021 15:31:06 -70.05, 123.45 118.93 04/12/2021 15:30:55 -70.06, 123.52 118.92 2.72 11
3 04/12/2021 16:20:33 69.94, -69.05 60.96 04/12/2021 16:21:39 69.93, -68.99 60.94 2.80 66
4 04/15/2021 06:58:04 70.16, 71.85 60.22 04/15/2021 06:57:07 70.14, 71.85 60.21 1.74 57
5 04/15/2021 07:47:34 -70.05,-120.67 119.90 04/15/2021 07:47:49 -70.06,-120.70 119.89 1.49 15
6 04/15/2021 08:37:13 69.28, 45.92 59.34 04/15/2021 08:38:21 69.30, 47.72 59.31 70.87 68
7 04/17/2021 23:14:33 70.09,-172.37 59.21 04/17/2021 23:14:00 70.09,-172.30 59.21 2.68 33
8 04/18/2021 00:04:03 -69.99, -4.88 120.91 04/18/2021 00:04:42 -70.01, -4.85 120.90 2.07 39
9 04/20/2021 14:41:27 -70.53, 136.49 121.29 04/20/2021 14:40:16 -70.58, 135.41 121.20 40.48 71
10 04/20/2021 15:31:00 70.08, -56.51 58.27 04/20/2021 15:30:53 70.10, -56.53 58.29 2.02 7
11 04/20/2021 16:20:30 -69.98, 110.99 121.84 04/20/2021 16:21:34 -69.95, 111.01 121.88 3.10 64
12 04/23/2021 06:58:01 -70.18,-108.13 122.53 04/23/2021 06:57:02 -70.16,-108.16 122.54 2.68 59
13 04/23/2021 07:47:28 70.06, 59.35 57.35 04/23/2021 07:47:46 70.05, 59.32 57.34 1.71 18

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/10/2021
SNOs_Map_LANDSAT-8_NPP_20210410.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/10/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP