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: 7/29/2021
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 07/30/2021 22:25:28 70.10,-159.87 51.81 07/30/2021 22:24:19 70.12,-159.83 51.84 2.13 69
2 07/30/2021 23:14:57 -70.05, 7.68 128.23 07/30/2021 23:15:01 -70.03, 7.61 128.24 3.28 4
3 07/31/2021 00:04:29 69.67, 174.80 51.42 07/31/2021 00:05:40 69.64, 175.50 51.36 27.34 71
4 08/02/2021 14:41:59 70.06, -44.05 52.45 08/02/2021 14:41:15 70.07, -43.99 52.46 2.38 44
5 08/02/2021 15:31:29 -69.96, 123.43 127.64 08/02/2021 15:31:57 -69.98, 123.45 127.62 3.21 28
6 08/05/2021 06:08:49 -70.89, -94.59 126.06 08/05/2021 06:07:42 -70.93, -96.91 125.93 84.69 67
7 08/05/2021 06:58:29 70.07, 71.84 53.17 08/05/2021 06:58:12 70.08, 71.76 53.18 3.05 17
8 08/05/2021 07:48:00 -69.91,-120.75 126.97 08/05/2021 07:48:53 -69.94,-120.71 126.96 2.93 53
9 08/07/2021 22:25:33 -70.13, 20.16 126.04 08/07/2021 22:24:24 -70.15, 20.10 126.01 3.01 69
10 08/07/2021 23:15:00 70.02,-172.36 53.86 08/07/2021 23:15:08 70.03,-172.41 53.88 2.67 8
11 08/08/2021 00:04:34 -69.70, -5.16 126.44 08/08/2021 00:05:46 -69.73, -4.64 126.43 20.55 72
12 08/10/2021 14:42:03 -70.08, 135.97 125.32 08/10/2021 14:41:19 -70.11, 135.94 125.29 3.32 44
13 08/10/2021 15:31:30 69.96, -56.56 54.58 08/10/2021 15:32:02 69.94, -56.50 54.55 3.10 32

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/29/2021
SNOs_Map_LANDSAT-8_NPP_20210729.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/29/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP