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: 6/20/2021
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 06/20/2021 22:25:09 -70.62, 20.87 132.89 06/20/2021 22:23:59 -70.69, 19.34 132.76 56.73 70
2 06/20/2021 23:14:45 70.03,-172.35 46.55 06/20/2021 23:14:33 70.05,-172.34 46.57 2.09 12
3 06/21/2021 00:04:15 -69.92, -4.88 133.57 06/21/2021 00:05:14 -69.91, -4.80 133.58 3.10 59
4 06/23/2021 14:41:48 -70.12, 136.01 133.35 06/23/2021 14:40:46 -70.14, 135.98 133.31 2.65 62
5 06/23/2021 15:31:15 70.02, -56.49 46.56 06/23/2021 15:31:30 70.03, -56.54 46.57 2.08 15
6 06/23/2021 16:20:53 -69.46, 110.38 133.97 06/23/2021 16:22:03 -69.46, 111.62 134.03 48.47 70
7 06/26/2021 06:58:19 -70.05,-108.21 133.34 06/26/2021 06:57:42 -70.06,-108.13 133.32 3.19 37
8 06/26/2021 07:47:46 69.94, 59.29 46.57 06/26/2021 07:48:26 69.95, 59.34 46.57 2.18 40
9 06/28/2021 22:25:13 70.41,-159.44 47.13 06/28/2021 22:24:02 70.45,-160.30 47.21 32.35 71
10 06/28/2021 23:14:48 -70.03, 7.64 133.23 06/28/2021 23:14:38 -70.03, 7.67 133.23 1.13 10
11 06/29/2021 00:04:15 69.92, 175.14 46.67 06/29/2021 00:05:22 69.93, 175.14 46.67 0.53 67
12 07/01/2021 14:41:48 70.11, -43.99 47.02 07/01/2021 14:40:53 70.11, -44.00 47.03 0.62 55
13 07/01/2021 15:31:18 -70.01, 123.49 133.08 07/01/2021 15:31:35 -70.01, 123.47 133.08 1.21 17
14 07/01/2021 16:20:58 69.18, -69.99 46.14 07/01/2021 16:22:05 69.16, -67.98 46.04 79.29 67
15 07/04/2021 06:58:18 70.08, 71.85 47.21 07/04/2021 06:57:50 70.09, 71.79 47.23 2.62 28

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 6/20/2021
SNOs_Map_LANDSAT-8_NPP_20210621.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 06/20/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP