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: 3/31/2021
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 04/01/2021 23:14:38 70.11,-172.32 65.15 04/01/2021 23:14:06 70.08,-172.31 65.13 3.38 32
2 04/02/2021 00:04:08 -70.00, -4.85 114.98 04/02/2021 00:04:48 -70.00, -4.87 114.97 1.24 40
3 04/04/2021 14:41:34 -70.50, 136.48 115.49 04/04/2021 14:40:23 -70.56, 135.40 115.39 40.59 71
4 04/04/2021 15:31:07 70.07, -56.51 64.08 04/04/2021 15:31:00 70.07, -56.52 64.09 0.82 7
5 04/04/2021 16:20:37 -69.96, 110.97 116.04 04/04/2021 16:21:41 -69.94, 111.00 116.07 2.11 64
6 04/07/2021 06:58:09 -70.13,-108.18 116.87 04/07/2021 06:57:09 -70.14,-108.15 116.85 1.39 60
7 04/07/2021 07:47:36 70.02, 59.30 63.02 04/07/2021 07:47:53 70.02, 59.34 63.01 1.52 17
8 04/07/2021 08:37:16 -69.37,-133.96 117.63 04/07/2021 08:38:25 -69.41,-132.44 117.64 59.57 69
9 04/09/2021 23:14:37 -70.14, 7.70 117.86 04/09/2021 23:14:03 -70.13, 7.63 117.86 2.77 34
10 04/10/2021 00:04:04 70.02, 175.18 62.02 04/10/2021 00:04:47 70.02, 175.12 62.01 2.63 43
11 04/12/2021 14:41:31 70.40, -43.67 61.42 04/12/2021 14:40:19 70.49, -44.46 61.54 30.89 72
12 04/12/2021 15:31:05 -70.08, 123.50 118.90 04/12/2021 15:30:55 -70.08, 123.49 118.90 0.72 10
13 04/12/2021 16:20:32 69.97, -69.02 60.98 04/12/2021 16:21:39 69.96, -69.03 60.97 0.40 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2021
SNOs_Map_LANDSAT-8_NPP_20210401.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/31/2021 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP