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: 4/8/2021
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 -70.14, 7.70 117.86 04/09/2021 23:14:03 -70.14, 7.63 117.86 2.70 34
2 04/10/2021 00:04:04 70.03, 175.19 62.03 04/10/2021 00:04:47 70.01, 175.13 62.00 3.43 43
3 04/12/2021 14:41:31 70.41, -43.66 61.44 04/12/2021 14:40:19 70.48, -44.45 61.53 30.34 72
4 04/12/2021 15:31:05 -70.09, 123.50 118.90 04/12/2021 15:30:55 -70.08, 123.49 118.90 0.94 10
5 04/12/2021 16:20:32 69.98, -69.01 60.99 04/12/2021 16:21:39 69.96, -69.02 60.96 2.23 67
6 04/15/2021 06:58:04 70.14, 71.82 60.20 04/15/2021 06:57:07 70.16, 71.82 60.23 3.13 57
7 04/15/2021 07:47:34 -70.03,-120.70 119.92 04/15/2021 07:47:48 -70.03,-120.65 119.93 1.78 14
8 04/15/2021 08:37:13 69.25, 45.89 59.32 04/15/2021 08:38:20 69.27, 47.76 59.28 73.67 67
9 04/17/2021 23:14:32 70.13,-172.31 59.24 04/17/2021 23:14:00 70.12,-172.33 59.24 1.56 32
10 04/18/2021 00:04:02 -70.03, -4.82 120.87 04/18/2021 00:04:42 -70.03, -4.88 120.87 2.08 40
11 04/20/2021 14:41:28 -70.51, 136.47 121.31 04/20/2021 14:40:17 -70.60, 135.37 121.18 41.94 71
12 04/20/2021 15:31:01 70.06, -56.53 58.25 04/20/2021 15:30:53 70.07, -56.49 58.26 1.85 8
13 04/20/2021 16:20:31 -69.97, 110.97 121.86 04/20/2021 16:21:35 -69.98, 110.97 121.85 1.47 64

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/8/2021
SNOs_Map_LANDSAT-8_NPP_20210408.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/08/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP