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: 4/9/2021
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 04/09/2021 23:14:37 -70.13, 7.68 117.87 04/09/2021 23:14:03 -70.15, 7.61 117.85 3.42 34
2 04/10/2021 00:04:04 70.02, 175.18 62.02 04/10/2021 00:04:47 70.02, 175.11 62.01 2.54 43
3 04/12/2021 14:41:32 70.40, -43.67 61.43 04/12/2021 14:40:20 70.49, -44.46 61.54 30.80 72
4 04/12/2021 15:31:06 -70.08, 123.49 118.91 04/12/2021 15:30:56 -70.09, 123.47 118.89 1.53 10
5 04/12/2021 16:20:33 69.97, -69.02 60.98 04/12/2021 16:21:40 69.96, -69.03 60.97 0.45 67
6 04/15/2021 06:58:03 70.18, 71.88 60.24 04/15/2021 06:57:07 70.17, 71.81 60.24 3.01 56
7 04/15/2021 07:47:34 -70.02,-120.71 119.93 04/15/2021 07:47:48 -70.03,-120.67 119.92 2.35 14
8 04/15/2021 08:37:13 69.24, 45.88 59.31 04/15/2021 08:38:20 69.28, 47.75 59.29 73.88 67
9 04/17/2021 23:14:32 70.12,-172.33 59.23 04/17/2021 23:14:00 70.12,-172.34 59.24 0.77 32
10 04/18/2021 00:04:02 -70.02, -4.84 120.88 04/18/2021 00:04:42 -70.04, -4.89 120.86 2.85 40
11 04/20/2021 14:41:28 -70.50, 136.45 121.32 04/20/2021 14:40:16 -70.56, 135.45 121.23 37.83 72
12 04/20/2021 15:31:00 70.10, -56.47 58.29 04/20/2021 15:30:53 70.08, -56.50 58.27 3.20 7
13 04/20/2021 16:20:30 -70.01, 111.02 121.82 04/20/2021 16:21:35 -69.99, 110.96 121.84 3.20 65

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/9/2021
SNOs_Map_LANDSAT-8_NPP_20210409.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/09/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP