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: 6/19/2021
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, 20.86 132.89 06/20/2021 22:23:59 -70.70, 19.33 132.75 56.92 70
2 06/20/2021 23:14:45 70.03,-172.36 46.54 06/20/2021 23:14:33 70.06,-172.35 46.58 3.41 12
3 06/21/2021 00:04:15 -69.91, -4.89 133.57 06/21/2021 00:05:14 -69.91, -4.81 133.58 2.92 59
4 06/23/2021 14:41:48 -70.11, 136.00 133.35 06/23/2021 14:40:45 -70.09, 136.05 133.36 3.00 63
5 06/23/2021 15:31:15 70.01, -56.50 46.56 06/23/2021 15:31:30 70.03, -56.55 46.58 2.93 15
6 06/23/2021 16:20:53 -69.46, 110.37 133.97 06/23/2021 16:22:03 -69.46, 111.62 134.02 48.48 70
7 06/26/2021 06:58:18 -70.10,-108.14 133.29 06/26/2021 06:57:42 -70.06,-108.14 133.32 3.41 36
8 06/26/2021 07:47:46 69.94, 59.28 46.56 06/26/2021 07:48:26 69.95, 59.34 46.57 2.95 40
9 06/28/2021 22:25:13 70.40,-159.45 47.12 06/28/2021 22:24:02 70.46,-160.31 47.22 32.47 71
10 06/28/2021 23:14:48 -70.02, 7.63 133.24 06/28/2021 23:14:38 -70.04, 7.66 133.22 2.35 10
11 06/29/2021 00:04:15 69.91, 175.13 46.66 06/29/2021 00:05:22 69.93, 175.13 46.67 2.07 67
12 07/01/2021 14:41:48 70.10, -44.00 47.01 07/01/2021 14:40:53 70.12, -44.01 47.04 2.07 55
13 07/01/2021 15:31:18 -70.00, 123.48 133.09 07/01/2021 15:31:35 -70.02, 123.46 133.07 2.35 17
14 07/01/2021 16:20:58 69.17, -70.00 46.13 07/01/2021 16:22:05 69.16, -67.99 46.04 79.49 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 6/19/2021
SNOs_Map_LANDSAT-8_NPP_20210620.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 06/19/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP