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: 4/17/2021
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 04/17/2021 23:14:33 70.09,-172.37 59.21 04/17/2021 23:14:00 70.10,-172.30 59.22 2.70 33
2 04/18/2021 00:04:02 -70.03, -4.82 120.87 04/18/2021 00:04:42 -70.02, -4.86 120.88 2.43 40
3 04/20/2021 14:41:27 -70.51, 136.47 121.30 04/20/2021 14:40:16 -70.59, 135.39 121.19 41.10 71
4 04/20/2021 15:31:00 70.08, -56.51 58.27 04/20/2021 15:30:53 70.10, -56.54 58.30 3.08 7
5 04/20/2021 16:20:30 -69.97, 110.97 121.86 04/20/2021 16:21:34 -69.97, 110.99 121.86 0.78 64
6 04/23/2021 06:58:01 -70.17,-108.15 122.54 04/23/2021 06:57:02 -70.18,-108.18 122.52 1.46 59
7 04/23/2021 07:47:28 70.06, 59.34 57.35 04/23/2021 07:47:46 70.06, 59.31 57.35 1.31 18
8 04/23/2021 08:37:08 -69.40,-133.92 123.30 04/23/2021 08:38:17 -69.39,-132.39 123.36 60.10 69
9 04/25/2021 23:14:29 -70.15, 7.70 123.44 04/25/2021 23:13:55 -70.13, 7.66 123.45 2.63 34
10 04/26/2021 00:03:56 70.04, 175.19 56.45 04/26/2021 00:04:39 70.02, 175.14 56.43 2.49 43
11 04/28/2021 14:41:23 70.45, -43.62 56.02 04/28/2021 14:40:12 70.50, -44.46 56.10 31.67 71
12 04/28/2021 15:30:58 -70.07, 123.47 124.36 04/28/2021 15:30:48 -70.09, 123.51 124.34 2.30 10
13 04/28/2021 16:20:25 69.96, -69.05 55.52 04/28/2021 16:21:32 69.98, -69.02 55.54 3.16 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2021
SNOs_Map_LANDSAT-8_NPP_20210417.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/17/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP